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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=25702
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ColumnValue  Explain   (UCD)
_RAJ200000 46 25.3008 "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+42 02 15.504 "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 43 39.8288 "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+41 45 52.964 "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)
_Glon121.9354534 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-20.8244032 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)
25702recno 25702  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ004625.3+420215  (i) ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
RAJ2000011.60542 deg (i) Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000+42.03764 deg (i) Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr 19 arcsec Total positional error (including 6" systematic error) (stat.error)
ScrFlagsT....   [T.F] screening flags (Note 2)   (meta.code)
NewFlag....   [T._] 'new data' flags (Note 3)   (meta.code)
Count 3.00e-02 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 1.05e-02 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 1.05e-03 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background;em.X-ray)
ExpTime 455 s Exposure time (time.duration;obs.exposure)
HR1 0.90   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.31   Error on HR1 (Note 6)   (stat.error)
HR2 0.41   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.33   Error on HR2 (Note 6)   (stat.error)
Extent 12 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 14   Likelihood of source detection algorithm (Note 7)   (stat.likelihood)
ExtRad 300 arcsec Extraction radius (phys.angSize)
PrioFlags101111   [01] priority flags (Note 8)   (meta.code.error)
PHAb   [ABCDb] PHA range of best detection (Note 9)   (meta.code)
VigFactor 0.70   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)
SASS33010002  Identification number of SASS field (Note 12)   (meta.id;obs.field)
MASOL 12  SASS source number (MASOL number) in SASS field (mainly for internal use) (meta.id)
src101  Source number (meta.id)
ObsBeg1991-01-11T04:33 s Beginning of observation (year, offset 1900) (time.epoch)
ObsEnd1991-01-13T06:00 s Beginning of observation (year, offset 1900) (time.epoch)
Rel88   [0,99] Reliability of Source (stat.fit.goodness)
  
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