VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJS/169/353
  Chandra sources in M17 (Broos+, 2007)
ReadMe+ftp
2007ApJS..169..353B
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/169/353/XsourcesPrimary and tentative sources (tables 1 and 2 of the paper) (886 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  f_[BFT2007] (char) P for primary sources (table 1) and T for tentative sources (table 2) (meta.code)
  [BFT2007]  (i) Source sequence number, sorted by RA linkRole{photometric properties and counterparts} (meta.id;meta.main)
  n_[BFT2007] (char) N indicates a note for this source (meta.ref.url)
  CXOUJ (char) IAUC source name (HHMMSS.ss+DDMMSS.s) (CXOU JHHMMSS.ss+DDMMSS.s in Simbad) (meta.id)
  RAdeg deg Right Ascension in decimal degrees (J2000) (pos.eq.ra)
  DEdeg deg Declination in decimal degrees (J2000) (pos.eq.dec)
  errPos arcsec Position error (Note 1)   (stat.error;pos)
  OffAng arcmin Off-axis angle (instr.offset)
  Tcts ct Net extracted total (0.5-8keV) band counts (phot.count;em.X-ray)
  e_Tcts ct Averaged upper and lower 1σ error in Tcts (stat.error)

ALL cols		    
 (i)indexed column
  Bcts ct Background extracted total (0.5-8keV) band counts (phot.count;em.X-ray)
  Hcts ct Net extracted hard (2-8keV) band counts (phot.count;em.X-ray)
  Frac  PSF fraction enclosed within the extraction region (G1) (Note 2)   (instr.det.psf)
  Sig  Photometric significance (Note 3)   (stat.fit.goodness)
  l_logP (char) Limit flag on logP (meta.code.error)
  logP [-] Log probability that total (0.5-8keV) band extracted counts are solely from background (Note 4)   (stat.fit.goodness)
  Anom (char) [g] Source anomalies (Note 5)   (meta.code)
  Var (char) [abc] Total (2-8keV) band variability characterization (Note 6)   (meta.code;src.var)
  Exp ks Effective exposure (Note 7)   (time.expo)
  Emed keV Background-corrected total (0.5-8keV) band median photon energy (em.energy)
  _RA deg (i) Position (derived from CXOU name) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position (derived from CXOU name) (declination part) (pos.eq.dec;meta.main)

ALL cols		    
 (i)indexed column
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