I/315/out | UCAC3 Catalogue (Zacharias+ 2009) Third U.S. Naval Observatory CCD Astrograph Catalog (100765502 rows) | 3UC===217-271972 |
Note: See also the UCAC home page at http://ad.usno.navy.mil/ucac/
Column | Value | Explain (UCD) | |
_RAJ2000 | 20 12 46.886136 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) |
_DEJ2000 | +18 06 17.42220 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) |
_RAB1950 | 20 10 31.303791 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) |
_DEB1950 | +17 57 13.41960 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) |
_Glon | 058.541063551 | deg | Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon) |
_Glat | -08.758964605 | deg | Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat) |
_UC | 217-271972 | (i) UCAC3 designation (Note 1) (meta.id;meta.main) | |
RAJ2000 | 303.1953589 | deg | (i) Right ascension (degrees), ICRS, Ep=J2000 (pos.eq.ra;meta.main) |
e_RAJ2000 | 11 | mas | Minimal mean error on RAdeg (at EpRA) (stat.error;pos.eq.ra) |
DEJ2000 | +18.1048395 | deg | (i) Declination (degrees), ICRS, Ep=J2000 (pos.eq.dec;meta.main) |
e_DEJ2000 | 15 | mas | Minimal mean error on DEdeg (at EpDE) (stat.error;pos.eq.dec) |
ePos | 20 | mas | Error of position at Epoch=J2000 (Note 9) (stat.error;pos) |
EpRA | 1988.89 | yr | Central epoch for mean RA (time.epoch) |
EpDE | 1992.09 | yr | Central epoch for mean Declination (time.epoch) |
f.mag | 10.181 | mag | UCAC fit model magnitude (579-642nm) (Note 2) (phot.mag;em.opt) |
a.mag | 10.186 | mag | UCAC aperture magnitude (579-642nm) (Note 2) (phot.mag;em.opt) |
e_a.mag | 0.029 | mag | Mean error on f.mag and a.mag (Note 3) (stat.error) |
ot | 0 | [-2,3] UCAC object classification flag (Note 4) (src.class.starGalaxy) | |
db | 0 | [0,7] double star flag (Note 5) (meta.code) | |
Na | 4 | Number of UCAC observations for the star (meta.number) | |
Nu | 4 | Number of used UCAC observations (Note 6) (meta.number) | |
Ca | 7 | Number of catalog positions (meta.number) | |
Cu | 6 | Number of catalog positions used for pm's (meta.number) | |
pmRA | 16.6 | mas/yr | Proper motion in RA(*cos(Dec)) (in gray if catflg indicates less than 2 good matches) (pos.pm;pos.eq.ra) |
e_pmRA | 0.5 | mas/yr | Mean error on pmRA (in gray if catflg indicates less than 2 good matches) (stat.error;pos.pm;pos.eq.ra) |
pmDE | -11.5 | mas/yr | Proper motion in Dec (in gray if catflg indicates less than 2 good matches) (pos.pm;pos.eq.dec) |
e_pmDE | 0.8 | mas/yr | Mean error on pmDE (in gray if catflg indicates less than 2 good matches) (stat.error;pos.pm;pos.eq.dec) |
MPOS | 095430818 | [1,140051297] mean position (MPOS) number (Note 17) (meta.id) | |
2Mkey | 1112052762 | 2MASS (Cat. II/246) Unique source identifier (meta.id.cross) | |
Jmag | 9.460 | mag | (i) J magnitude (1.2um) from 2MASS (in gray if upper limit) (phot.mag;em.IR.J) |
e_Jmag | 0.02 | mag | Mean error (rounded to 0.01mag) (stat.error;phot.mag;em.IR.J) |
q_Jmag | 05 | [0,58] J-band quality-confusion flag (Note 7) (meta.code.qual) | |
Hmag | 9.322 | mag | H magnitude (1.6um) from 2MASS (in gray if upper limit) (phot.mag;em.IR.H) |
e_Hmag | 0.03 | mag | Mean error (rounded to 0.01mag) (stat.error;phot.mag;em.IR.H) |
q_Hmag | 05 | [0,58] H-band quality-confusion flag (Note 7) (meta.code.qual) | |
Kmag | 9.247 | mag | (i) K magnitude (2.2um) from 2MASS (in gray if upper limit) (phot.mag;em.IR.K) |
e_Kmag | 0.02 | mag | Mean error (rounded to 0.01mag) (stat.error;phot.mag;em.IR.K) |
q_Kmag | 05 | [0,58] K-band quality-confusion flag (Note 7) (meta.code.qual) | |
sc | 12 | [0,14] Supercosmos mean object + 'blend' class (Note 10) (src.class.starGalaxy) | |
Bmag | 10.588 | mag | B magnitude from Supercosmos (phot.mag;em.opt.B) |
q_Bmag | 01 | [-1,3] B-band quality-confusion flag (Note 11) (meta.code.qual) | |
R2mag | 9.574 | mag | R magnitude from Supercosmos 2nd epoch (phot.mag;em.opt.R) |
q_R2mag | 01 | [-1,3] R-band quality-confusion flag (Note 11) (meta.code.qual) | |
Imag | 9.745 | mag | I magnitude from Supercosmos (phot.mag;em.opt.I) |
q_Imag | 00 | [-1,3] I-band quality-confusion flag (Note 11) (meta.code.qual) | |
catflg | 0111010000 | matching flags for 10 catalogues (Note 12) (meta.code) | |
g | 0 | [0,3] g-flag from SPM (Note 13) (meta.code) | |
c | 0 | [0,7] c-flag from SPM (Note 14) (meta.code) | |
LEDA | 0 | [6arcsec] | LEDA I-band galaxy match (Note 15) (phys.angSize) |
2MX | 0 | arcsec | 2MASX K-band match (Note 16) (phys.angSize;src) |