VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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IX/29/rass_fsc ROSAT All-Sky Survey Faint Source Catalog (Voges+ 2000)
The ROSAT All Sky Survey Faint Source Catalog (105924 rows)
  recno=21212
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ColumnValue  Explain   (UCD)
_RAJ200000 56 54.7008 "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+44 27 41.004 "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 54 05.2879 "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+44 11 28.423 "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)
_Glon123.9611804 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-18.3994193 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)
21212recno 21212  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ005654.7+442741  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
RAJ2000014.22792 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000+44.46139 deg (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr 16 arcsec Total positional error (including 6" systematic error) (stat.error)
ScrFlagsF....   [T.F] screening flags (Note 2)   (meta.code)
NewFlag....   [T._] 'new data' flags (Note 3)   (meta.code)
Count 4.70e-02 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 1.37e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 8.89e-04 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background;em.X-ray)
ExpTime 356 s Exposure time (time.duration;obs.exposure)
HR1-0.47   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.24   Error on HR1 (Note 6)   (stat.error)
HR2-0.42   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.44   Error on HR2 (Note 6)   (stat.error)
Extent 15 arcsec Source extent, by which the source image exceeds the point spread function. (instr.det.psf)
L_Extent 1   Likelihood of source extent (Note 7)   (stat.likelihood)
Ldetect 18   Likelihood of source detection algorithm (Note 7)   (stat.likelihood)
ExtRad 300 arcsec Extraction radius (phys.angSize)
PrioFlags111011   [01] priority flags (Note 8)   (meta.code.error)
PHAb   [ABCDb] PHA range of best detection (Note 9)   (meta.code)
VigFactor 0.74   Vignetting factor (arith.factor)
IncDate2000-05-18 "Y:M:D" [000518] Date when source was included (Note 10)   (time.epoch)
Ncand 0  Number of identification candidates in the correlation catalogue (meta.number)
SASS33009002  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL 35  SASS source number (MASOL number) in SASS field (mainly for internal use) (meta.id)
src 0  Source number (meta.id)
ObsBeg1991-01-14T14:09 s Beginning of observation (year, offset 1900) (time.epoch)
ObsEnd1991-01-19T20:38 s Beginning of observation (year, offset 1900) (time.epoch)
Rel99   [0,99] Reliability of Source (stat.fit.goodness)
  
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