VizieR

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VizieR

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J/ApJS/192/10/table3 Chandra ACIS survey in 383 nearby galaxies. I. (Liu, 2011)
Individual observations of X-ray sources (52542 rows)
  recno=47892
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ColumnValue  Explain   (UCD)
_RAJ200005 08 00.09800 "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)
_DEJ2000-37 29 12.3000 "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)
_RAB195005 06 16.29210 "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)
_DEB1950-37 33 01.4999 "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)
_Glon241.19111136 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-35.83954814 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)
47892recno 47892  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Group125   [1/320] Group number (meta.id)
CXOJ050800.098-372912.30  Source name (JHHMMSS.sss+DDMMSS.ss) (Note 1)   (meta.id;meta.main)
IDet3012.s2.2  Individual detection designation (Note 2)   (meta.id;obs)
Exp 43427 s Exposure time after deadtime correction (time.duration;obs.exposure)
MJD52627.306 d Modified Julian Date of observation (time.epoch)
OAA211 arcsec Off-axis angle (instr.offset)
VigF 0.964  Vignetting factor (Note 3)   (instr.param)
eRA 0.18 arcsec Right Ascension statistical positional error (stat.error)
eDE 0.09 arcsec Declination statistical positional error (stat.error)
ePos 1.0 arcsec Source positional uncertainty (Note 4)   (stat.error)
Sigma 14.3  Detection significance (Note 5)   (stat.likelihood;obs)
Cts 33.9 ct Background-subtracted photon counts (Note 6)   (phot.count;em.X-ray)
e_Cts 5.9 ct Uncertainty in Cts (stat.error)
bgct 0.7 ct Expected background counts (Note 7)   (instr.background)
CMS 0.34   The (M-S)/(H+M+S) X-ray color (Note 8)   (phot.count;arith.ratio)
e_CMS 0.32   Uncertainty in CMS (stat.error)
CHM-0.54   The (H-M)/(H+M+S) X-ray color (Note 8)   (phot.count;arith.ratio)
e_CHM 0.32   Uncertainty in CHM (stat.error)
FX 9.7e-15 mW/m2 Source flux; in erg/s/cm2 (Note 9)   (phot.flux;em.X-ray)
PKS 8.5e-01   Kolmogorov-Smirnov variability probability (Note 10)   (src.var)
SQHhard  Source description (Note 11)   (src.class)

_RA077.000408 deg (i) Positions from CXO names (right ascension part) (pos.eq.ra;meta.main)
_DE-37.486750 deg (i) Positions from CXO names (declination part) (pos.eq.dec;meta.main)
  
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