| I/317/sample | The PPMXL Catalog (Roeser+ 2010) PPMXL catalog of positions and proper motions on the ICRS (910469430 rows) | PPMXL===1864712671511622191 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 23 07 28.71600 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) |
| _DEJ2000 | +21 08 03.3360 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) |
| _RAB1950 | 23 05 00.51922 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) |
| _DEB1950 | +20 51 50.9287 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) |
| _Glon | 092.76422273 | deg | Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon) |
| _Glat | -35.57510626 | deg | Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat) |
| PPMXL | 1864712671511622191 | (i) Identifier (Note 5) (meta.id;meta.main) | |
| RAJ2000 | 346.869650 | deg | (i) Right Ascension J2000.0, epoch 2000.0 (pos.eq.ra;meta.main) |
| DEJ2000 | +21.134260 | deg | (i) Declination J2000.0, epoch 2000.0 (pos.eq.dec;meta.main) |
| pmRA | 108.7 | mas/yr | Proper Motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra) |
| pmDE | -46.3 | mas/yr | Proper Motion in Dec (pos.pm;pos.eq.dec) |
| epRA | 1991.18 | yr | Mean Epoch (RA) (time.epoch) |
| epDE | 1991.15 | yr | Mean Epoch (Dec) (time.epoch) |
| e_RAJ2000 | 4 | mas | Mean error in RA*cos(DEdeg) at mean epoch (Note 6) (stat.error;pos.eq.ra) |
| e_DEJ2000 | 5 | mas | Mean error in Dec at mean epoch (Note 6) (stat.error;pos.eq.dec) |
| e_pmRA | 1.6 | mas/yr | Mean error in pmRA*cos(DEdeg) (stat.error;pos.pm;pos.eq.ra) |
| e_pmDE | 1.6 | mas/yr | Mean error in pmDec (stat.error;pos.pm;pos.eq.dec) |
| Jmag | 5.383 | mag | (i) J magnitude from 2MASS (Cat. II/246) (phot.mag;em.IR.J) |
| e_Jmag | 0.027 | mag | J total magnitude uncertainty (stat.error;phot.mag;em.IR.J) |
| Hmag | 5.280 | mag | (i) H magnitude from 2MASS (Cat. II/246) (phot.mag;em.IR.H) |
| e_Hmag | 0.018 | mag | H total magnitude uncertainty (stat.error;phot.mag;em.IR.H) |
| Kmag | 5.240 | mag | (i) Ks magnitude from 2MASS (Cat. II/246) (phot.mag;em.IR.K) |
| e_Kmag | 0.018 | mag | Ks total magnitude uncertainty (stat.error;phot.mag;em.IR.K) |
| b1mag | 6.10 | mag | B mag from USNO-B, first epoch (1) (in color when the magnitude has a special meaning, see flags) (Note) (phot.mag;em.opt.B) |
| b2mag | 6.23 | mag | B mag from USNO-B, second epoch (1) (in color when the magnitude has a special meaning, see flags) (Note) (phot.mag;em.opt.B) |
| r1mag | 5.60 | mag | R mag from USNO-B, first epoch (1) (in color when the magnitude has a special meaning, see flags) (Note) (phot.mag;em.opt.R) |
| r2mag | mag | R mag from USNO-B, second epoch (1) (in color when the magnitude has a special meaning, see flags) (Note) (phot.mag;em.opt.R) | |
| imag | 5.95 | mag | I mag from USNO-B (1) (in color when the magnitude has a special meaning, see flags) (Note) (phot.mag;em.opt.I) |
| Smags | --— | [0-8-] Surveys used for USNO-B magnitudes (Note 2) (meta.id) | |
| No | 4 | Number of observations used (Note 4) (meta.number) | |
| fl | 2 | Flags (Note 3) (meta.note) | |
| 2M | 2M | Display the 2MASS data (Cutri et al. 2003, Cat. II/246) (meta.ref.url) | |
| NOMAD | NOMAD | Display the NOMAD data (Zacharias et al. 2005, Cat. I/297) (meta.ref.url) | |
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