| I/259/tyc2 | The Tycho-2 Catalogue (Hog+ 2000) *The Tycho-2 main catalogue (2539913 rows) | recno=861281 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 08 39 31.810 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra) |
| _DEJ2000 | +47 21 07.25 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec) |
| _RAB1950 | 08 36 02.003 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra) |
| _DEB1950 | +47 31 45.24 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec) |
| _Glon | 172.4982 | deg | Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon) |
| _Glat | 37.5421 | deg | Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat) |
| recno | 861281 | Record number within the original table (starting from 1) (meta.record) | |
| TYC1 | 3416 | [1,9537] TYC1 from TYC or GSC (Note 1) (meta.id.part;meta.main) | |
| TYC2 | 543 | [1,12121] TYC2 from TYC or GSC (Note 1) (meta.id.part;meta.main) | |
| TYC3 | 1 | [1,3] TYC3 from TYC (Note 1) (meta.id.part;meta.main) | |
| pflag | [ PX] mean position flag (Note 2) (meta.code) | ||
| RAmdeg | 129.88253867 | deg | []? Mean Right Asc, ICRS, epoch=J2000 (3) (Note 3) (pos.eq.ra;meta.main) |
| DEmdeg | 47.35201704 | deg | []? Mean Decl, ICRS, at epoch=J2000 (3) (Note 3) (pos.eq.dec;meta.main) |
| pmRA | -23.4 | mas/yr | [-4418.0,6544.2] prop. mot. in RA*cos(dec) (Note) (pos.pm;pos.eq.ra) |
| pmDE | -26.9 | mas/yr | [-5774.3,10277.3] prop. mot. in Dec (Note) (pos.pm;pos.eq.dec) |
| e_RAmdeg | 31 | mas | [3,183] s.e. RA*cos(dec),at mean epoch (Note 5) (stat.error) |
| e_DEmdeg | 36 | mas | [1,184] s.e. of Dec at mean epoch (Note 5) (stat.error) |
| e_pmRA | 2.2 | mas/yr | [0.2,11.5] s.e. prop mot in RA*cos(dec) (Note 5) (stat.error) |
| e_pmDE | 2.1 | mas/yr | [0.2,10.3] s.e. of proper motion in Dec (Note 5) (stat.error) |
| EpRAm | 1987.73 | yr | [1915.95,1992.53] mean epoch of RA (Note 4) (time.epoch) |
| EpDEm | 1985.75 | yr | [1911.94,1992.01] mean epoch of Dec (Note 4) (time.epoch) |
| Num | 4 | [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 | 0.3 | [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 | 0.3 | [0.0,9.9] Goodness of fit for pmDE (Note 6) (meta.code.qual) | |
| BTmag | 11.316 | mag | [2.183,16.581] Tycho-2 BT magnitude (Note 7) (phot.mag;em.opt.B) |
| e_BTmag | 0.079 | mag | [0.014,1.977] s.e. of BT (Note 7) (stat.error) |
| VTmag | 10.503 | mag | [1.905,15.193] Tycho-2 VT magnitude (Note 7) (phot.mag;em.opt.V) |
| e_VTmag | 0.055 | 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) | 129.88261944 | deg | Observed Tycho-2 Right Ascension, ICRS (pos.eq.ra;meta.main) |
| DE(ICRS) | 47.35207583 | deg | Observed Tycho-2 Declination, ICRS (pos.eq.dec;meta.main) |
| EpRA-1990 | 1.77 | yr | [0.81,2.13] epoch-1990 of RAdeg (time.epoch) |
| EpDE-1990 | 1.69 | yr | [0.72,2.36] epoch-1990 of DEdeg (time.epoch) |
| e_RAdeg | 36.2 | mas | s.e.RA*cos(dec), of observed Tycho-2 RA (Note 5) (stat.error) |
| e_DEdeg | 45.0 | 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 | 0.2 | [-1,1] correlation (RAdeg,DEdeg) (stat.correlation) | |
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