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J/ApJS/174/136/gemsr24 GEMS survey data and catalog (Caldwell+, 2008)
GEMS master catalog of sources cross correlated with COMBO-17 (Wolf et al., 2008, Cat. II/253) (h_proto_r24.cat.dp) (8565 rows)
  recno=556
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200003 32 33.600240 "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)
_DEJ2000-27 52 42.26988 "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)
_RAB195003 30 28.126950 "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)
_DEB1950-28 02 47.15369 "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)
_Glon223.697554623 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-54.427391114 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)
556recno 556  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

GEMSGEMSz033233.60m275242.3  GEMS sexagesimal coordinate-based name (GEMSzHHMMSS.sspDDMMSS.s) (meta.id;meta.main)
RAJ2000053.1400010 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-27.8784083 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
Ftot 75054 ct Total flux in F850LP band (SExtr. FLUX_BEST) (phot.flux.density;em.opt.I)
e_Ftot 605 ct Error on total flux (stat.error)
mtot20.971 mag Total magnitude in F850LP band (SExtr. MAG_BEST12) (phot.mag;em.opt.I)
e_mtot 0.009 mag Error total magnitude (stat.error)
bck-0.23  "local" background level (instr.background;phys.atmol.level)
Area 2090 pix+2 Isophotal area (SExtr. ISOAREA_IMAGE) (phys.area)
xpos5872.6 pix image center x coordinate (pos.cartesian.x;instr.det)
ypos5299.1 pix image center y coordinate (pos.cartesian.y;instr.det)
PA 65.2 deg [] Position angle (SExtr. THETA_IMAGE) (pos.posAng)
Ell 0.525  Ellipticity (src.ellipticity)
FWHM 61.4 pix Image FWHM (phys.angSize;obs.image)
Flag 0  SExtractor FLAGS (meta.code.error)
S/G 0.00   [0/1] Stellarity parameter (SExtr. CLASS_STAR) (src.class.starGalaxy)
ACSss1z07A_flx  ACS source image name (obs.image)
ACSms1z07cold.seg  ACS mask image names (obs.image)
TExp2120 s Exposure time (time.duration;obs.exposure)
ABmag024.843 mag AB-mag zero point for F850LP band (phot.mag;em.opt.I)
MCz 0.149  COMBO-17 redshift (src.redshift;pos.heliocentric)
sepAC 0.050 arcsec Angular separation between ACS and COMBO-17 coordinates (pos.angDistance)
Rmag21.244 mag Total R-band magnitude from COMBO-17 (SExtr. MAG_BEST) (phot.mag;em.opt.R)
Nover 0  Number of overlapping sources (meta.number)
Xpos5869.3 pix Visual-band image x coordinate (pos.cartesian.x;instr.det)
Ypos5294.1 pix Visual-band image y coordinate (pos.cartesian.y;instr.det)
rKron 5.19 pix SExtractor Kron aperture radius (phys.angSize)
Cxx 1.226e-02  SExtractor object ellipse parameter Cxx (stat.correlation)
Cyy 5.128e-03  SExtractor object ellipse parameter Cyy (stat.correlation)
Cxy-8.350e-03  SExtractor object ellipse parameter Cxy (stat.correlation)
COMBO-1723785  COMBO-17 object number (Seq) (meta.id)
e_MCz 0.013  COMBO-17 redshift uncertainty (stat.error)
MCzml 0.158  COMBO-17 peak of redshift-estimate distribution (src.redshift;pos.heliocentric)
dl 495.9 Mpc COMBO-17 luminosity distance (pos.distance;pos.heliocentric)
UjMAG-16.240 mag COMBO-17 Johnson absolute U VEGA-magnitudes (phys.magAbs)
VjMAG-16.860 mag COMBO-17 Johnson absolute V VEGA-magnitudes (phys.magAbs)
BjMAG-16.340 mag COMBO-17 Johnson absolute B VEGA-magnitudes (phys.magAbs)
rsMAG-17.170 mag COMBO-17 SDSS absolute r magnitude (phys.magAbs)
e_Rmag 0.009 mag COMBO-17 R-band SExtr. MAG_BEST uncertainty (stat.error;phot.mag;em.opt.R)
e_UjMAG 0.100 mag COMBO-17 M_U mag uncertainties (phys.magAbs)
e_VjMAG 0.100 mag COMBO-17 M_V mag uncertainties (phys.magAbs)
e_BjMAG 0.100 mag COMBO-17 M_B mag uncertainties (phys.magAbs)
e_rsMAG 0.100 mag COMBO-17 M_r mag uncertainty (phys.magAbs)
Phot000  COMBO-17 photometry flag (1) (edited in hexadecimal) (Note)   (meta.code)
ApRmag21.869 mag COMBO-17 aperture Rmag (phot.mag;em.opt.R)
SuBrR22.444 mag/arcsec2 COMBO-17 R-band central surface brightness (phot.mag.sb;em.opt.R)
Notes   Notes (meta.note)
  
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