| I/294A/ucac2bss | The UCAC2 Bright Star Supplement (Urban+, 2006) UCAC Bright Star Supplement (430000 rows) | ID=50070843 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 15 40 28.4477760 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) |
| _DEJ2000 | +18 40 17.987124 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) |
| _RAB1950 | 15 38 13.2785849 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) |
| _DEB1950 | +18 49 54.265118 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) |
| _Glon | 029.8060271741 | deg | Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon) |
| _Glat | +50.3542240326 | deg | Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat) |
| ID | 50070843 | (i) [50000001,] UCAC2 BSS identifier (Note 1) (meta.id;meta.main) | |
| ID0 | 50070844 | Number used in the first edition of UCAC2-BSS (should not be used, see ReadMe history) (meta.id) | |
| RAJ2000 | 235.11853240 | deg | (i) RA at epoch J2000.0 (ICRS) (Note 2) (pos.eq.ra;meta.main) |
| DEJ2000 | +18.67166309 | deg | (i) Dec at epoch J2000.0 (ICRS) (Note 2) (pos.eq.dec;meta.main) |
| e_RAJ2000 | 2.81 | mas | S.e. of RA at central ep. (*cos DE) (Note 3) (stat.error;pos.eq.ra) |
| e_DEJ2000 | 4.04 | mas | S.e. of Dec at central epoch (Note 3) (stat.error;pos.eq.dec) |
| src | D | Source catalog for astrometry (Note 4) (meta.ref;pos.frame) | |
| EpRAm | 1991.25 | yr | Central epoch for mean RA (Note 5) (time.epoch) |
| EpDEm | 1991.25 | yr | Central epoch for mean DE (Note 5) (time.epoch) |
| pmRA | -18.75 | mas/yr | Proper motion in RA (no cos DE) (Note 6) (pos.pm;pos.eq.ra) |
| pmDE | 16.290 | mas/yr | Proper motion in DE (Note 6) (pos.pm;pos.eq.dec) |
| e_pmRA | 2.440 | mas/yr | S.e. of pmRA (*cos DE) (Note 7) (stat.error;pos.pm;pos.eq.ra) |
| e_pmDE | 3.91 | mas/yr | S.e. of pmDE (Note 7) (stat.error;pos.pm;pos.eq.dec) |
| q_pmRA | Goodness of fit for pmRA (Note 8) (meta.code.qual;pos.pm;pos.eq.ra) | ||
| q_pmDE | Goodness of fit for pmDE (Note 8) (meta.code.qual;pos.pm;pos.eq.dec) | ||
| q_pm | A | [A-D] Quality of proper motion for stars with src='D' (A=good, C=poor, D=uncertain) (meta.code.qual) | |
| B-V | mag | Johnson B-V color index (Note 9) (phot.color;em.opt.B;em.opt.V) | |
| V-I | mag | Cousins V-I color index (Note 10) (phot.color;em.opt.V;em.opt.I) | |
| Hv | Variability type (Note 11) (meta.note) | ||
| Vmag | mag | Johnson V magnitude (Note 12) (phot.mag;em.opt.V) | |
| BTmag | mag | Mean Tycho b magnitude (Note 13) (phot.mag;em.opt.B) | |
| VTmag | mag | Mean Tycho v magnitude (Note 14) (phot.mag;em.opt.V) | |
| Hpmag | 8.437 | mag | Median mag in Hipparcos system (Note 15) (phot.mag;em.opt.V) |
| v | HIP course variability flag (Note 16) (meta.code;src.var) | ||
| TYC1 | 1498 | Tycho-2 number (Note 17) (meta.id) | |
| TYC2 | 1693 | Tycho-2 number (Note 17) (meta.id) | |
| TYC3 | 1 | Tycho-2 number (Note 17) (meta.id) | |
| r_TYC2 | 0 | Source of Tycho-2 (Note 18) (meta.ref;pos.frame) | |
| HIP | 76769 | Hipparcos number (Note 19) (meta.id) | |
| m_HIP | A | HIP component identifier (Note 20) (meta.code.multip) | |
| 2mID | 268047552 | 2MASS pts_key star id (Note 21) (meta.id) | |
| 2mJmag | 7.134 | mag | 2MASS J magnitude (Note 22) (phot.mag;em.IR.J) |
| 2mHmag | 7.111 | mag | 2MASS H magnitude (Note 22) (phot.mag;em.IR.H) |
| 2mKsmag | 7.055 | mag | 2MASS Ks magnitude (Note 22) (phot.mag;em.IR.K) |
| 2mflags | AAA | 2MASS photo. quality flags (Note 23) (meta.code.qual) | |
| 2mcc | 000 | 2MASS cc_flg (Note 24) (meta.code) | |
| astflg | Warning flag for astrometry (Note 25) (meta.code) | ||
| Tycho-2 | Tycho-2 | Display the Tycho-2 data (Høg et al., Cat. I/259) (meta.ref.url) | |
| 2MASS | 2MASS | Display the 2MASS data (Cutri et al., Cat. II/246) (meta.ref.url) | |
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