| I/259/suppl_1 | The Tycho-2 Catalogue (Hog+ 2000) The Tycho-2 supplement-1 (17588 rows) | recno=2023 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 06 37 42.7011223 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) |
| _DEJ2000 | +16 23 57.307977 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) |
| _RAB1950 | 06 34 49.5252986 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) |
| _DEB1950 | +16 26 38.578265 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) |
| _Glon | 196.7734599326 | deg | Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon) |
| _Glat | 4.4526190162 | deg | Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat) |
| 2023recno | 2023 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
| TYC1 | 1329 | (i) [2,9529] TYC1 from TYC (Note 1) (meta.id.part;meta.main) | |
| TYC2 | 1746 | (i) [1,12112] TYC2 from TYC (Note 1) (meta.id.part;meta.main) | |
| TYC3 | 1 | (i) [1,4] TYC3 from TYC (Note 1) (meta.id.part;meta.main) | |
| flag | H | [HT] data from Hipparcos or Tycho-1 (Note 2) (meta.ref) | |
| RA(ICRS) | 99.42792641 | deg | (i) Right Asc, ICRS, at epoch=J1991.25 (pos.eq.ra;meta.main) |
| DE(ICRS) | 16.39941482 | deg | (i) Decl, ICRS, at epoch=J1991.25 (pos.eq.dec;meta.main) |
| pmRA | -2.0 | mas/yr | []? prop. mot. in RA*cos(dec) (pos.pm;pos.eq.ra) |
| pmDE | -66.9 | mas/yr | []? prop. mot. in Dec (pos.pm;pos.eq.dec) |
| e_RAdeg | 2.4 | mas | s.e. RA*cos(dec) (stat.error) |
| e_DEdeg | 1.8 | mas | s.e. of Dec (stat.error) |
| e_pmRA | 3.8 | mas/yr | []? s.e. prop mot in RA * cos(dec) (stat.error) |
| e_pmDE | 2.6 | mas/yr | []? s.e. of proper motion in Dec (stat.error) |
| mflag | V | [ BVH] (Note 3) (meta.code) | |
| BTmag | mag | []? Tycho-1 BT magnitude (4) (Note 4) (phot.mag;em.opt.B) | |
| e_BTmag | mag | []? s.e. of BT (4) (Note 4) (stat.error) | |
| VTmag | 2.024 | mag | []? Tycho-1 VT or Hp magnitude (4) (Note 4) (phot.mag;em.opt.V) |
| e_VTmag | 0.009 | mag | []? s.e. of VT (4) (Note 4) (stat.error) |
| prox | 999 | [1,999] proximity indicator (Note 5) (meta.code) | |
| TYC | T | [ T] Tycho-1 star (meta.code) | |
| HIP | 31681 | [1,120404] Hipparcos number (meta.id) | |
| CCDM | CCDM component identifier for HIP stars (meta.code.multip) | ||
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