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J/A+A/551/A142/1swxrt 7 year Swift-XRT point source catalog (1SWXRT) (D'Elia+, 2013)
1SWXRT catalog of the serendipitous sources detected in 7 years of Swift-XRT observations (84979 rows)
  recno=62846
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ColumnValue  Explain   (UCD)
_RAJ200015 34 47.2349 "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+37 15 54.875 "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)
_RAB195015 32 54.4076 "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+37 25 51.272 "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)
_Glon059.8600494 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+54.2888919 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)
62846recno 62846  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1SWXRTJ153447.2+371554  1SWXRT source name (JHHMMSS.s+DDMMSS) (meta.id;meta.main)
TargetSDSSJ153521.7+37234  XRT field name (obs.field)
RAJ2000233.69681 deg (i) Swift-XRT Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+37.26524 deg (i) Swift-XRT Declination (J2000) (pos.eq.dec;meta.main)
Seq00037925001  Swift-XRT observation number (meta.number)
Beg2009-10-06T18:38:49 s Start date of the field observations (time.start;obs)
End2009-11-06T23:42:56 s End date of the field observations (time.end;obs)
Fcrate 1.20e-02 ct/s 0.3-10keV count rate or 90% upper limit (red values are upper limits) (phot.count;em.X-ray)
e_Fcrate 9.99e-99 ct/s 1σ 0.3-10keV count rate error (set to -99 in case of upper limit) (stat.error)
FFlux 4.11e-13 mW/m2 0.5-10keV Flux or 90% upper limit (red values are upper limits) (phot.flux;em.X-ray)
e_FFlux 9.99e-99 mW/m2 1σ 0.5-10keV Flux error (set to -99 in case of upper limit) (stat.error)
Fprob 0.00e+00  0.3-10keV false detection probability (stat.fit.goodness)
FSNR 7.9  0.3-10keV Signal-to-noise ratio, S/N (stat.snr)
Scrate 1.13e-02 ct/s 0.3-3keV count rate or 90% upper limit (red values are upper limits) (phot.count;em.X-ray)
e_Scrate 9.99e-99 ct/s 1σ 0.3-3keV count rate error (set to -99 in case of upper limit) (stat.error)
SFlux 1.84e-13 mW/m2 0.5-2keV Flux or 90% upper limit (red values are upper limits) (phot.flux;em.X-ray)
e_SFlux 9.99e-99 mW/m2 1σ 0.5-2keV Flux error (set to -99 in case of upper limit) (stat.error)
Sprob 0.00e+00  0.3-13keV false detection probability (stat.fit.goodness)
SSNR 7.7  0.3-13keV Signal-to-noise ratio, S/N (stat.snr)
Hcrate 1.59e-03 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 1.33e-13 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)
Hprob 0.00e+00  2-10keV false detection probability (stat.fit.goodness)
HSNR 0.0  2-10keV Signal-to-noise ratio, S/N (stat.snr)
Texp 9860.5 s Total on-time (time.expo)
HR    [-1/1] Hardness ratio (2) (Note 1)   (phot.flux;arith.ratio)
e_HR    1σ hardness ratio error (Note 3)   (stat.error)
ePos 2.9 arcsec Positional error at 68 % confidence level (stat.error;stat.fit.param;phys.atmol.level)
NH 1.38e+20 cm-2 Galactic hydrogen column density (phys.columnDensity;pos.galactic)
beta    Energy spectral index β=Γ-1 (Note 2)   (spect.index)
e_beta    Energy spectral index error (stat.error)
  
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