VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

start AladinLite
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=64814
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 42 42.4250 "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+40 51 50.853 "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)
_RAB195000 39 58.3391 "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+40 35 25.275 "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)
_Glon121.1520042 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-21.9774473 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)
64814recno 64814  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1SWXRTJ004242.4+405150  1SWXRT source name (JHHMMSS.s+DDMMSS) (meta.id;meta.main)
TargetM31_S2  XRT field name (obs.field)
RAJ2000010.67677 deg (i) Swift-XRT Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+40.86413 deg (i) Swift-XRT Declination (J2000) (pos.eq.dec;meta.main)
Seq00037724002  Swift-XRT observation number (meta.number)
Beg2009-05-08T00:18:26 s Start date of the field observations (time.start;obs)
End2009-05-08T23:12:57 s End date of the field observations (time.end;obs)
Fcrate 3.29e-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 1.57e-12 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 12.8  0.3-10keV Signal-to-noise ratio, S/N (stat.snr)
Scrate 2.71e-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 4.67e-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 11.7  0.3-13keV Signal-to-noise ratio, S/N (stat.snr)
Hcrate 1.28e-02 ct/s 2-10keV count rate or 90% upper limit (red values are upper limits) (phot.count;em.X-ray)
e_Hcrate 9.99e-99 ct/s 1σ 2-10keV count rate (set to -99 in case of upper limit) (stat.error)
HFlux 1.19e-12 mW/m2 2-10keV Flux or 90% upper limit (red values are upper limits) (phot.flux;em.X-ray)
e_HFlux 9.99e-99 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 7.8  2-10keV Signal-to-noise ratio, S/N (stat.snr)
Texp 6006.6 s Total on-time (time.expo)
HR-0.358   [-1/1] Hardness ratio (2) (Note 1)   (phot.flux;arith.ratio)
e_HR 0.066   1σ hardness ratio error (Note 3)   (stat.error)
ePos 2.5 arcsec Positional error at 68 % confidence level (stat.error;stat.fit.param;phys.atmol.level)
NH 6.34e+20 cm-2 Galactic hydrogen column density (phys.columnDensity;pos.galactic)
beta 0.584   Energy spectral index β=Γ-1 (Note 2)   (spect.index)
e_beta 0.136   Energy spectral index error (stat.error)
  
elapse time 0

Thanks for acknowledging the VizieR Service
Rules of usage of VizieR data

© Université de Strasbourg/CNRS

    • Contact