VizieR

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VizieR

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J/ApJ/736/21/bgccat Galaxy clusters optical catalog from AMF on SDSS DR6 (Szabo+ 2011)
Catalog of brightest cluster galaxy candidates (205768 rows)
  recno=28172
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ColumnValue  Explain   (UCD)
_RAJ200009 35 22.152 "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)
_DEJ2000-01 26 55.32 "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)
_RAB195009 32 49.328 "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)
_DEB1950-01 13 29.60 "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)
_Glon236.003789 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+34.887615 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)
28172recno 28172  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

BCG 9400.2  (i) BCG candidate identifier (Note 1)   (meta.id;meta.main)
SDSS587725084112978486  SDSS ID number (see casjobs.sdss.org) (meta.id)
RAJ2000143.8423 deg (i) Right ascension in decimal degrees, J2000 (pos.eq.ra;meta.main)
DEJ2000-01.4487 deg (i) Declination in decimal degrees, J2000 (pos.eq.dec;meta.main)
k00-0.394 mag K-correction for z=0.0 (Note G1)   (arith.factor;phot.mag)
k03 0.181 mag K-correction for z=0.3 from Kcorrect v4.1.4 (arith.factor;phot.mag)
k05 0.286 mag K-correction for z=0.5 from Kcorrect v4.1.4 (arith.factor;phot.mag)
umag22.755 mag Extinction corrected u-band apparent mag. (phot.mag;em.opt.U)
e_umag 0.752 mag Error in model magnitude, u-band (stat.error;phot.mag;em.opt.U)
gmag21.220 mag Extinction corrected g-band apparent mag. (phot.mag;em.opt.B)
e_gmag 0.081 mag Error in model magnitude, g-band (stat.error;phot.mag;em.opt.B)
rmag19.650 mag Extinction corrected r-band apparent mag. (phot.mag;em.opt.R)
e_rmag 0.029 mag Error in model magnitude, r-band (stat.error;phot.mag;em.opt.R)
imag19.080 mag Extinction corrected i-band apparent mag. (phot.mag;em.opt.I)
e_imag 0.027 mag Error in model magnitude, i-band (stat.error;phot.mag;em.opt.I)
zmag18.834 mag Extinction corrected z-band apparent mag. (pos.cartesian.z)
e_zmag 0.069 mag Error in model magnitude, z-band (stat.error;phot.mag;em.opt.I)
zp0.3438   Photometric redshift (src.redshift.phot)
zs    Spectroscopic redshift (src.redshift)
L200 41.52  Λ200 richness of host cluster (Note G2)   (src.class.richness)
rMAG-21.58 mag Computed absolute r-band magnitude (Note 3)   (phys.magAbs)
  
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