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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=25717
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ColumnValue  Explain   (UCD)
_RAJ200000 41 54.80 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+41 01 36.0 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195000 39 10.85 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+40 45 09.8 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon120.9973 deg Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-21.8093 deg Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat)
25717recno 25717  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1RXSJ004154.8+410136  ROSAT All-Sky Survey Catalogue source name (Note 1)   (meta.id;meta.main)
RAJ2000010.47833 deg Right ascension (J2000), decimal degrees (pos.eq.ra;meta.main)
DEJ2000+41.02667 deg Declination (J2000), decimal degrees (pos.eq.dec;meta.main)
PosErr 64 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 1.59e-02 ct/s Source countrate (Note 4)   (phot.count;em.X-ray)
e_Count 6.97e-03 ct/s Error on Count (Note 4)   (stat.error;phot.count)
bgCt 1.48e-04 ct/s/arcmin2 Background countrate (Note 4)   (arith.rate;instr.background;em.X-ray)
ExpTime 487 s Exposure time (time.duration;obs.exposure)
HR1 1.00   [-1/1] Hardness ratio 1 (Note 5)   (phot.flux;arith.ratio)
e_HR1 0.37   Error on HR1 (Note 6)   (stat.error)
HR2 1.00   [-1/1] hardness ratio 2 (Note 5)   (phot.flux;arith.ratio)
e_HR2 0.31   Error on HR2 (Note 6)   (stat.error)
Extent 0 arcsec Source extent, by which the source image exceeds the point spread function. (instr.det.psf)
L_Extent    Likelihood of source extent (Note 7)   (stat.likelihood)
Ldetect 8   Likelihood of source detection algorithm (Note 7)   (stat.likelihood)
ExtRad 300 arcsec Extraction radius (phys.angSize)
PrioFlags101000   [01] priority flags (Note 8)   (meta.code.error)
PHAD   [ABCDb] PHA range of best detection (Note 9)   (meta.code)
VigFactor 0.64   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 40  SASS source number (MASOL number) in SASS field (mainly for internal use) (meta.id)
src123  Source number (meta.id)
ObsBeg1991-01-09T14:09 s Beginning of observation (year, offset 1900) (time.epoch)
ObsEnd1991-01-11T17:16 s Beginning of observation (year, offset 1900) (time.epoch)
Rel73   [0,99] Reliability of Source (stat.fit.goodness)
  
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