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J/A+A/551/A142
 7 year Swift-XRT point source catalog (1SWXRT) (D'Elia+, 2013)
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1.J/A+A/551/A142/1swxrt1SWXRT catalog of the serendipitous sources detected in 7 years of Swift-XRT observations (84979 rows)

 
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)
  1SWXRT (char) 1SWXRT source name (JHHMMSS.s+DDMMSS) (meta.id;meta.main)
  Target (char) XRT field name (obs.field)
  RAJ2000 deg Swift-XRT Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg Swift-XRT Declination (J2000) (pos.eq.dec;meta.main)
  Seq  Swift-XRT observation number (meta.number)
  Beg s (n)Start date of the field observations (time.start;obs)
  End s (n)End date of the field observations (time.end;obs)
  Fcrate ct/s (n) 0.3-10keV count rate or 90% upper limit (red values are upper limits) (phot.count;em.X-ray)
  e_Fcrate ct/s 1σ 0.3-10keV count rate error (set to -99 in case of upper limit) (stat.error)
  FFlux mW/m2 0.5-10keV Flux or 90% upper limit (red values are upper limits) (phot.flux;em.X-ray)

ALL cols
    
(n) indicates a possible blank or NULL column  
  e_FFlux mW/m2 1σ 0.5-10keV Flux error (set to -99 in case of upper limit) (stat.error)
  Fprob  0.3-10keV false detection probability (stat.fit.goodness)
  FSNR  0.3-10keV Signal-to-noise ratio, S/N (stat.snr)
  Scrate ct/s (n) 0.3-3keV count rate or 90% upper limit (red values are upper limits) (phot.count;em.X-ray)
  e_Scrate ct/s 1σ 0.3-3keV count rate error (set to -99 in case of upper limit) (stat.error)
  SFlux mW/m2 0.5-2keV Flux or 90% upper limit (red values are upper limits) (phot.flux;em.X-ray)
  e_SFlux mW/m2 1σ 0.5-2keV Flux error (set to -99 in case of upper limit) (stat.error)
  Sprob  0.3-13keV false detection probability (stat.fit.goodness)
  SSNR  0.3-13keV Signal-to-noise ratio, S/N (stat.snr)
  Hcrate ct/s 2-10keV count rate or 90% upper limit (red values are upper limits) (phot.count;em.X-ray)
  e_Hcrate ct/s 1σ 2-10keV count rate (set to -99 in case of upper limit) (stat.error)
  HFlux mW/m2 2-10keV Flux or 90% upper limit (red values are upper limits) (phot.flux;em.X-ray)
  e_HFlux mW/m2 1σ 2-10keV Flux error (set to -99 in case of upper limit) (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column  
  Hprob  2-10keV false detection probability (stat.fit.goodness)
  HSNR  2-10keV Signal-to-noise ratio, S/N (stat.snr)
  Texp s Total on-time (time.expo)
  HR  (n) [-1/1] Hardness ratio (2) (Note 1)   (phot.flux;arith.ratio)
  e_HR  (n) 1σ hardness ratio error (Note 3)   (stat.error)
  ePos arcsec Positional error at 68 % confidence level (stat.error;stat.fit.param;phys.atmol.level)
  NH cm-2 Galactic hydrogen column density (phys.columnDensity;pos.galactic)
  beta  (n) Energy spectral index β=Γ-1 (Note 2)   (spect.index)
  e_beta  (n) Energy spectral index error (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column  
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