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J/ApJS/224/40/counts Catalog of Chandra ACIS point like sources (Wang+, 2016)
Detected X-ray point sources in the Chandra ACIS survey and counts in different bands (tables 3 and 4) (766496 rows)
  recno=566091
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ColumnValue  Explain   (UCD)
_RAJ200018 08 39.3264 "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)
_DEJ2000-20 24 39.744 "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)
_RAB195018 05 40.6834 "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)
_DEB1950-20 25 11.078 "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)
_Glon009.9959236 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-00.2418928 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)
566091recno 566091  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Group 298   [1/4953] Group Number (meta.id)
CXOGSGJ180839.3-202439  Source name (JHHMMSS.s+DDMMSS) (linked to average properties for this source (table 5)) (meta.id;meta.main)
Det746.s3.2  Source name in individual observations (Note G1)   (meta.id;obs)
Split    Split fraction (Note G2)   (stat.fit.param)
Exp 31068.5 s [58/192363] Source exposure time after deadtime correction (time.duration;obs.exposure)
MJD51771.745 d Modified Julian Date for the beginning point of the observation (time.epoch)
Dedge 90 pix Distance from the source center to the nearest chip edge. (pos.angDistance)
OAA 38 arcsec Off-axis angle, arcseconds (instr.offset)
VigF 0.997   [0.001/1.3] Vignetting factor (Note 3)   (stat.fit.omc)
e_RAJ2000 0.01 arcsec [0/87] Statistical positional error, Right Ascension (stat.error;pos.eq.ra)
e_DEJ2000 0.00 arcsec [0/3] Statistical positional error, Declination (stat.error;pos.eq.dec)
PosErr 1.00 arcsec [1/36] Source positional uncertainties (Note 4)   (pos)
sig 668.7   [-354/1997] Detection significance (Note 5)   (stat.likelihood;obs)
Cts 8111.0 ct [0.1/136000] Background-subtracted photon counts (Note 6)   (phot.count;em.X-ray)
e_Cts 90.7 ct [1/3306] Uncertainty in Cts (stat.error)
bkgd 11.5 ct Background counts within the source region (instr.background;obs.field)
CMS 0.03   [-742/241] X-ray color CMS=(M-S)/(H+M+S) (Note 7)   (phot.count;arith.ratio)
e_CMS 0.05   [0/1] Uncertainty in CMS (stat.error)
CHM 0.94   [-7911/269] X-ray color CHM=(H-M)/(H+M+S) (Note 7)   (phot.count;arith.ratio)
e_CHM 0.00   [0/1] Uncertainty in CHM (stat.error)
FX 7.46e-12  Source flux (Note 8)   (phot.flux;em.X-ray)
PK-S 0.83  K-S probability that a source is constant during an observation (stat.fit.goodness;src.var)
SQHhard  Phase classification for the source (Note 9)   (src.class)
sig/PFFT15.7/69.2  Period significance and the most possible period (in second) from FFT algorithm (stat.fit.goodness)
Nae    [2/13] Number of possible afterglow events for sources with total events less than 100 (meta.number)
RAJ2000272.16386 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-20.41104 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
Ct(0.1-1.1) 27.58 ct Source net counts, 0.1-1.1 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.1-1.1) 6.37 ct Uncertainty in Ct(0.1-1.1) (Note 3)   (stat.error)
Ct(0.3-1.1) 21.75 ct Source net counts, 0.3-1.1 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.3-1.1) 5.77 ct Uncertainty in Ct(0.3-1.1) (Note 3)   (stat.error)
Ct(0.3-1) 18.75 ct Source net counts, 0.3-1 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.3-1) 5.45 ct Uncertainty in Ct(0.3-1) (Note 3)   (stat.error)
Ct(0.1-0.5) 12.58 ct Source net counts, 0.1-0.5keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.1-0.5) 4.71 ct Uncertainty in Ct(0.1-0.5) (Note 3)   (stat.error)
Ct(0.3-0.5) 6.75 ct [-265/11865] Source net counts, 0.3-0.5keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.3-0.5) 3.79 ct [1/113] Uncertainty in Ct(0.3-0.5) (Note 3)   (stat.error)
Ct(0.1-0.8) 19.58 ct Source net counts, 0.1-0.8 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.1-0.8) 5.56 ct Uncertainty in Ct(0.1-0.8) (Note 3)   (stat.error)
Ct(0.3-0.8) 13.75 ct Source net counts, 0.3-0.8 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.3-0.8) 4.84 ct Uncertainty in Ct(0.3-0.8) (Note 3)   (stat.error)
Ct(1-2) 228.42 ct Source net counts, 1-2 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(1-2) 16.19 ct Uncertainty in Ct(1-2) (Note 3)   (stat.error)
Ct(1.1-2) 225.42 ct Source net counts, 1.1-2 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(1.1-2) 16.10 ct Uncertainty in Ct(1.1-2) (Note 3)   (stat.error)
Ct(0.5-2.4) 608.75 ct Source net counts, 0.5-2.4 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.5-2.4) 25.76 ct Uncertainty in Ct(0.5-2.4) (Note 3)   (stat.error)
Ct(0.5-2) 240.42 ct Source net counts, 0.5-2 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.5-2) 16.58 ct Uncertainty in Ct(0.5-2) (Note 3)   (stat.error)
Ct(0.8-2) 233.42 ct Source net counts, 0.8-2 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.8-2) 16.36 ct Uncertainty in Ct(0.8-2) (Note 3)   (stat.error)
Ct(2-8) 7298.53 ct Source net counts, 2-8 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(2-8) 86.59 ct Uncertainty in Ct(2-8) (Note 3)   (stat.error)
Ct(0.1-8) 7551.53 ct Source net counts, 0.1-8 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.1-8) 88.07 ct Uncertainty in Ct(0.1-8) (Note 3)   (stat.error)
Ct(0.3-8) 7545.70 ct Source net counts, 0.3-8 keV (Note 3)   (phot.count;em.X-ray)
e_Ct(0.3-8) 88.03 ct Uncertainty in Ct(0.3-8) (Note 3)   (stat.error)
  
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