(1-1-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-1-2)
    The mean epochs are given in Julian years.

(1-1-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-1-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-1-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-1-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-1-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-1-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-1-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-1-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-1-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-2-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-2-2)
    The mean epochs are given in Julian years.

(1-2-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-2-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-2-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-2-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-2-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-2-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-2-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-2-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-2-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-3-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-3-2)
    The mean epochs are given in Julian years.

(1-3-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-3-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-3-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-3-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-3-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-3-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-3-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-3-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-3-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-4-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-4-2)
    The mean epochs are given in Julian years.

(1-4-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-4-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-4-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-4-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-4-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-4-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-4-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-4-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-4-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-5-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-5-2)
    The mean epochs are given in Julian years.

(1-5-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-5-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-5-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-5-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-5-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-5-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-5-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-5-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-5-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-6-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-6-2)
    The mean epochs are given in Julian years.

(1-6-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-6-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-6-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-6-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-6-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-6-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-6-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-6-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-6-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-7-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-7-2)
    The mean epochs are given in Julian years.

(1-7-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-7-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-7-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-7-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-7-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-7-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-7-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-7-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-7-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-8-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-8-2)
    The mean epochs are given in Julian years.

(1-8-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-8-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-8-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-8-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-8-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-8-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-8-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-8-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-8-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-9-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-9-2)
    The mean epochs are given in Julian years.

(1-9-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-9-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-9-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-9-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-9-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-9-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-9-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-9-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-9-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-10-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-10-2)
    The mean epochs are given in Julian years.

(1-10-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-10-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-10-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-10-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-10-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-10-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-10-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-10-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-10-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-11-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-11-2)
    The mean epochs are given in Julian years.

(1-11-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-11-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-11-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-11-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-11-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-11-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-11-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-11-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-11-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-12-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-12-2)
    The mean epochs are given in Julian years.

(1-12-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-12-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-12-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-12-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-12-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-12-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-12-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-12-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-12-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-13-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-13-2)
    The mean epochs are given in Julian years.

(1-13-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-13-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-13-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-13-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-13-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-13-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-13-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-13-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-13-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-14-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-14-2)
    The mean epochs are given in Julian years.

(1-14-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-14-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-14-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-14-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-14-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-14-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-14-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-14-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-14-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-15-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-15-2)
    The mean epochs are given in Julian years.

(1-15-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-15-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-15-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-15-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-15-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-15-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-15-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-15-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-15-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-16-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-16-2)
    The mean epochs are given in Julian years.

(1-16-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-16-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-16-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-16-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-16-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-16-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-16-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-16-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-16-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-17-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-17-2)
    The mean epochs are given in Julian years.

(1-17-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-17-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-17-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-17-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-17-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-17-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-17-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-17-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-17-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).

(1-18-1)The TYCID1 is the GSC region number, the TYCID2 is the
    running number within the region, the TYCID3 is a component
    identifier (normally 1). Some non-GSC running numbers were
    constructed for TYC. The recommended star designation contains
    a hyphen between the TYCID numbers, e.g. TYC 1-13-1.

(1-18-2)
    The mean epochs are given in Julian years.

(1-18-3)
    The standard errors given are for the mean epoch. They are in
    the range 1.0-117.1.
    The standard errors at some epoch, t, are obtained as
    e_RA(t)* = sqrt((f*e_RA*)^2^ + ((e_pmRA*)*(t-epRA))^2^ ) and
    e_DE(t)  = sqrt((f*e_DE)^2^  +  (e_pmDE*(t-epRA))^2^ )
    A factor f=1.5 would give realistic standard errors for the
    majority of stars. This factor compensates for too small
    formal errors of positions in the Tycho Catalogue (Cf.
    Sect 18.4 of Vol 4 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997).

(1-18-4)
    The BT and VT photometry is copied from the Tycho Catalogue.
    Approximate Johnson photometry may be obtained as:
    V   = VT -0.090*(BT-VT)
    B-V = 0.850*(BT-VT)
    Consult Sect 1.3 of Vol 1 of "The Hipparcos and Tycho Catalogues",
    ESA SP-1200, 1997, for details.

(1-18-5)
     Between 2 and 13 positions (TYC plus 1-12 AC positions) were
     used in the adjustment:
     Npos:      2      3      4     5     6    7   8   9 10 11 12 13
     Stars: 20183 588096 312449 47150 18045 3169 742 217 81 33 14  3

(1-18-6)
    q_pm (0..9) gives twice the ratio of the estimated s.e. to the
    formal s.e. A large value may be taken as a warning. The value 9
    marks proper motions deviating from HIP values by more than six
    combined standard errors.  Separate values were computed for R.A.
    and Dec. Here the maximum value is given. The quality flag was
    computed prior to the adjustment of the standard errors (Cf Sect 3
    of Hoeg et al. 1998).
    q_pm:     0      1      2      3     4     5     6     7    8    9
    Stars 35082 271197 319970 183564 93971 45973 22662 11459 3494 2810

(1-18-7)
    The CCDM component identifier is only given for HIP stars. It is
    copied from field T51 of the Tycho Catalogue.

(1-18-8)
    The parallax for HIP stars is copied from field H11 of the
    Hipparcos Catalogue, but only when it exceeds the standard error.
    The HIP parallax was NOT used in the construction of the TRC.

(1-18-9)
    the duplicity flag is set for 16587 stars where duplicity was
    clearly indicated or suspected in the Tycho data, but not
    resolved. (T49 is D or S in TYC).

(1-18-10)
    the variability flag is set for 18505 stars with known
    variability. (T47 set or T48='V' in TYC).

(1-18-11)
    ' ' = also in ACT, proper motion agrees within 10 mas/yr in both
          coordinates;
    'T' = only in TRC (39892 stars);
    'X' = also in ACT, does not agree within 10 mas/yr (19104 stars).