| I/259/tyc2 | The Tycho-2 Catalogue (Hog+ 2000) *The Tycho-2 main catalogue (2539913 rows) | recno=134312 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 03 02 04.1200601 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) |
| _DEJ2000 | +07 58 47.100144 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) |
| _RAB1950 | 02 59 23.7655934 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) |
| _DEB1950 | +07 47 02.448301 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) |
| _Glon | 169.6237598614 | deg | Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) |
| _Glat | -42.7447248948 | deg | Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) |
| 134312recno | 134312 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
| TYC1 | 641 | (i) [1,9537] TYC1 from TYC or GSC (Note 1) (meta.id.part;meta.main) | |
| TYC2 | 358 | (i) [1,12121] TYC2 from TYC or GSC (Note 1) (meta.id.part;meta.main) | |
| TYC3 | 1 | (i) [1,3] TYC3 from TYC (Note 1) (meta.id.part;meta.main) | |
| pflag | [ PX] mean position flag (Note 2) (meta.code) | ||
| RAmdeg | 45.51716665 | deg | []? Mean Right Asc, ICRS, epoch=J2000 (3) (Note 3) (pos.eq.ra) |
| DEmdeg | 7.97974884 | deg | []? Mean Decl, ICRS, at epoch=J2000 (3) (Note 3) (pos.eq.dec) |
| pmRA | 13.7 | mas/yr | [-4418.0,6544.2] prop. mot. in RA*cos(dec) (Note) (pos.pm;pos.eq.ra) |
| pmDE | -35.4 | mas/yr | [-5774.3,10277.3] prop. mot. in Dec (Note) (pos.pm;pos.eq.dec) |
| e_RAmdeg | 34 | mas | [3,183] s.e. RA*cos(dec),at mean epoch (Note 5) (stat.error) |
| e_DEmdeg | 44 | mas | [1,184] s.e. of Dec at mean epoch (Note 5) (stat.error) |
| e_pmRA | 2.5 | mas/yr | [0.2,11.5] s.e. prop mot in RA*cos(dec) (Note 5) (stat.error) |
| e_pmDE | 2.3 | mas/yr | [0.2,10.3] s.e. of proper motion in Dec (Note 5) (stat.error) |
| EpRAm | 1989.46 | yr | [1915.95,1992.53] mean epoch of RA (Note 4) (time.epoch) |
| EpDEm | 1987.32 | yr | [1911.94,1992.01] mean epoch of Dec (Note 4) (time.epoch) |
| Num | 3 | [2,36] Number of positions used (meta.id) | |
| q_RAmdeg | 0.2 | [0.0,9.9] Goodness of fit for mean RA (Note 6) (meta.code.qual) | |
| q_DEmdeg | 0.0 | [0.0,9.9] Goodness of fit for mean Dec (Note 6) (meta.code.qual) | |
| q_pmRA | 0.2 | [0.0,9.9] Goodness of fit for pmRA (Note 6) (meta.code.qual) | |
| q_pmDE | 0.0 | [0.0,9.9] Goodness of fit for pmDE (Note 6) (meta.code.qual) | |
| BTmag | 12.401 | mag | [2.183,16.581] Tycho-2 BT magnitude (Note 7) (phot.mag;em.opt.B) |
| e_BTmag | 0.197 | mag | [0.014,1.977] s.e. of BT (Note 7) (stat.error) |
| VTmag | 10.467 | mag | [1.905,15.193] Tycho-2 VT magnitude (Note 7) (phot.mag;em.opt.V) |
| e_VTmag | 0.045 | mag | [0.009,1.468] s.e. of VT (Note 7) (stat.error) |
| prox | 999 | [3,999] proximity indicator (Note 8) (meta.code) | |
| TYC | T | [T] Tycho-1 star (Note 9) (meta.code) | |
| HIP | [1,120404] Hipparcos number (meta.id) | ||
| CCDM | CCDM component identifier for HIP stars (Note 10) (meta.code.multip) | ||
| RA(ICRS) | 45.51713556 | deg | (i) Observed Tycho-2 Right Ascension, ICRS (pos.eq.ra;meta.main) |
| DE(ICRS) | 7.97983028 | deg | (i) Observed Tycho-2 Declination, ICRS (pos.eq.dec;meta.main) |
| EpRA-1990 | 1.84 | yr | [0.81,2.13] epoch-1990 of RAdeg (time.epoch) |
| EpDE-1990 | 1.74 | yr | [0.72,2.36] epoch-1990 of DEdeg (time.epoch) |
| e_RAdeg | 34.9 | mas | s.e.RA*cos(dec), of observed Tycho-2 RA (Note 5) (stat.error) |
| e_DEdeg | 45.2 | mas | s.e. of observed Tycho-2 Dec (Note 5) (stat.error) |
| posflg | [ DP] type of Tycho-2 solution (Note 11) (meta.id;stat.fit) | ||
| corr | -0.3 | [-1,1] correlation (RAdeg,DEdeg) (stat.correlation) | |
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