VizieR

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VizieR

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IX/45/csc11 The Chandra Source Catalog, Release 1.1 (Evans+ 2012)
The Chandra Source Catalog, Version 1.1 (original column names in green) (106586 rows)
  recno=80994
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ColumnValue  Explain   (UCD)
_RAJ200017 20 53.5584 "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)
_DEJ2000-35 47 04.560 "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)
_RAB195017 17 32.4164 "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)
_DEB1950-35 44 07.132 "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)
_Glon351.4164738 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+00.6441937 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)
80994recno 80994  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CXOJ172053.5-354704  Chandra source name (JHHMMSS.s+DDMMSS) (meta.id;meta.main)
RAJ2000260.22316 deg (i) Right ascension (ICRS) of Chandra source (ra) (pos.eq.ra;meta.main)
DEJ2000-35.78460 deg (i) Declination (ICRS) of Chandra source (dec) (pos.eq.dec;meta.main)
ePos 0.50 arcsec [0.03/158] Position error radius at 95% confidence level (err_ellipse_r0) (stat.error;phys.angSize)
S/N 4.90   [3/] Source flux significance (highest) (significance) (stat.fit.goodness)
Fb 1.56e-14 mW/m2 Aperture-corrected ACIS net energy flux (flux_aper_b) (Note 1)   (phot.flux;em.X-ray)
b_Fb 1.26e-14 mW/m2 Lower limit of Fb (flux_aper_lolim_b) (Note 4)   (phot.flux;em.X-ray;stat.min)
B_Fb 1.89e-14 mW/m2 Upper limit of Fb (flux_aper_hilim_b) (Note 4)   (phot.flux;em.X-ray;stat.max)
Fw  mW/m2 Aperture-corrected HRC net energy flux (flux_aper_w) (Note 1)   (phot.flux;em.X-ray)
b_Fw  mW/m2 Lower limit of Fw (flux_aper_lolim_w) (phot.flux;em.X-ray;stat.min)
B_Fw  mW/m2 Upper limit of Fw (flux_aper_hilim_w) (phot.flux;em.X-ray;stat.max)
hr2 0.859   [-1/1] "hard" hardness ratio (Fh-Fm)/Fb (hard_hm) (Note 1)   (phot.flux;arith.ratio)
b_hr2 0.773   [-1/1] Lower limit of hr2 (hard_hm_lolim) (meta.note)
B_hr2 0.930   [-1/1] Upper limit of hr2 (hard_hm_hilim) (meta.note)
hr1 0.004   [-1/1] "soft" hardness ratio (Fm-Fs)/Fb (hard_ms) (Note 1)   (phot.flux;arith.ratio)
b_hr1-0.048   [-1/1] Lower limit of hr1 (hard_ms_lolim) (meta.note)
B_hr1 0.051   [-1/1] Upper limit of hr1 (hard_ms_hilim) (meta.note)
fc1   [0/1] Confusion flag (conf_flag) (Note 2)   (meta.code)
fe0   [0/1] Extension flag (extent_flag) (Note 2)   (meta.code)
fs0   [0/1] Saturation flag (sat_src_flag) (Note 2)   (meta.code)
Vab 0   [0/10] ACIS intra-observation variability (var_intra_index_b) (Note 3)   (src.var.index)
Vib    [0/8] ACIS inter-observation variability (var_inter_index_b) (Note 3)   (src.var.index)
Vaw    [0/10] HRC intra-observation variability (var_intra_index_w) (Note 3)   (src.var.index)
Viw    [0/8] HRC inter-observation variability (var_inter_index_w) (Note 3)   (src.var.index)
  
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