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VizieR

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J/AJ/131/2478/table4 M31 and M33 UBVRI photometry (Massey+, 2006)
M31 Catalog (371781 rows)
  recno=54999
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 40 39.8000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+40 40 10.800 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195000 37 56.2849 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+40 23 43.660 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon120.7262232 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-22.1559331 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
54999recno 54999  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
n_LGGS   S indicates that spectroscopic data are available in table8 (meta.ref.url)

LGGSJ004039.80+404010.8  (i) LGGS designation, JHHMMSS.ss+DDMMSS.s (meta.id;meta.main)
Vmag23.129 mag Johnson V magnitude (phot.mag;em.opt.V)
e_Vmag 0.127 mag V error (stat.error;phot.mag;em.opt.V)
B-V 1.150 mag Johnson B-V magnitude (phot.color;em.opt.B;em.opt.V)
e_B-V 0.390 mag B-V error (stat.error;phot.color;em.opt.B)
U-B  mag Johnson U-B colour index (phot.color;em.opt.U;em.opt.B)
e_U-B  mag U-B error (stat.error;phot.color;em.opt.U)
V-R 0.804 mag Kron-Cousins V-R colour index (phot.color;em.opt.V;em.opt.R)
e_V-R 0.136 mag V-R error (stat.error;phot.color;em.opt.V)
R-I 1.208 mag Kron-Cousins R-I colour index (phot.color;em.opt.R;em.opt.I)
e_R-I 0.048 mag R-I error (stat.error;phot.color;em.opt.R)
nV 1  Number of V measurements (meta.number)
nB 1  Number of B measurements (meta.number)
nU 0  Number of U measurements (meta.number)
nR 4  Number of R measurements (meta.number)
nI 5  Number of I measurements (meta.number)
SpType   MK Spectral Type (if available) (src.spType)
r_SpType   References for spectal type, in refs.dat file (meta.ref;pos.frame)
RAJ200000 40 39.80 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+40 40 10.8 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  
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