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=104129
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ColumnValue  Explain   (UCD)
_RAJ200022 57 28.1184 "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 46 08.328 "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)
_RAB195022 55 01.2482 "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 30 04.895 "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)
_Glon090.0632860 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-34.7274105 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)
104129recno 104129  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CXOJ225728.1+204608  Chandra source name (JHHMMSS.s+DDMMSS) (meta.id;meta.main)
RAJ2000344.36716 deg (i) Right ascension (ICRS) of Chandra source (ra) (pos.eq.ra;meta.main)
DEJ2000+20.76898 deg (i) Declination (ICRS) of Chandra source (dec) (pos.eq.dec;meta.main)
ePos 0.58 arcsec [0.03/158] Position error radius at 95% confidence level (err_ellipse_r0) (stat.error;phys.angSize)
S/N 4.41   [3/] Source flux significance (highest) (significance) (stat.fit.goodness)
Fb  mW/m2 Aperture-corrected ACIS net energy flux (flux_aper_b) (Note 1)   (phot.flux;em.X-ray)
b_Fb  mW/m2 Lower limit of Fb (flux_aper_lolim_b) (Note 4)   (phot.flux;em.X-ray;stat.min)
B_Fb  mW/m2 Upper limit of Fb (flux_aper_hilim_b) (Note 4)   (phot.flux;em.X-ray;stat.max)
Fw 4.55e-14 mW/m2 Aperture-corrected HRC net energy flux (flux_aper_w) (Note 1)   (phot.flux;em.X-ray)
b_Fw 3.60e-14 mW/m2 Lower limit of Fw (flux_aper_lolim_w) (phot.flux;em.X-ray;stat.min)
B_Fw 5.65e-14 mW/m2 Upper limit of Fw (flux_aper_hilim_w) (phot.flux;em.X-ray;stat.max)
hr2    [-1/1] "hard" hardness ratio (Fh-Fm)/Fb (hard_hm) (Note 1)   (phot.flux;arith.ratio)
b_hr2    [-1/1] Lower limit of hr2 (hard_hm_lolim) (meta.note)
B_hr2    [-1/1] Upper limit of hr2 (hard_hm_hilim) (meta.note)
hr1    [-1/1] "soft" hardness ratio (Fm-Fs)/Fb (hard_ms) (Note 1)   (phot.flux;arith.ratio)
b_hr1    [-1/1] Lower limit of hr1 (hard_ms_lolim) (meta.note)
B_hr1    [-1/1] Upper limit of hr1 (hard_ms_hilim) (meta.note)
fc0   [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    [0/10] 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   [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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