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IX/32/rosat ROSAT Bright Survey (Fischer+, 1998-2000)
The ROSAT Bright Survey (RBS) catalogue (2072 rows)
  recno=1283
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ColumnValue  Explain   (UCD)
_RAJ200013 32 32.100 "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+50 30 37.00 "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)
_RAB195013 30 29.988 "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+50 45 59.92 "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)
_Glon107.156939 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+65.340569 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)
1283recno 1283  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RBS1283  (i) ROSAT Bright Survey number (meta.id)
1RXSJ133243.3+503256  1RXSJ X-ray coordinates (Cat. IX/10) (meta.id)
RAJ200013 32 32.1 "h:m:s" (i) Optical right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+50 30 37 "d:m:s" (i) Optical declination (J2000) (pos.eq.dec;meta.main)
Dist175 arcsec Distance optical minus X positions (pos.angDistance)
e_Pos 18 arcsec X-ray positional uncertainty (1σ) as given in the 1RXS-catalog. The 90% confidence error radius is r90=1.65σ (stat.error)
CR 0.20 ct/s RASS countrate in the total ROSAT window 0.1-2.4keV (phot.count;em.X-ray)
CRH 0.15 ct/s RASS countrate in the hard ROSAT window 0.5-2.0keV (phot.count;em.X-ray)
HR1 0.51  hardness ratio (Note 1)   (phot.flux;arith.ratio)
HR2 0.10  hardness ratio (Note 1)   (phot.flux;arith.ratio)
NH 1.02 10+20cm-2 Galactic hydrogen column density (phys.columnDensity)
NameABELL 1758  (Truncated) Name in optical catalogues (meta.id.assoc)
XClassCLUST  Class of X-ray source (Note 2)   (src.class)
Type   Type within class (Note 2)   (src.class)
z 0.2792   redshift (src.redshift)
u_z   Uncertainy flag on z (meta.code.error)
l_Mag   Limit flag on Mag (meta.code.error)
Mag18.0 mag Optical brightness (typically in the V-band, sometimes only through spectrograph slit (phot.mag;em.opt.V)
u_Mag   Uncertainty flag on Mag (meta.code.error)
n_MagN   [CSNBDRE] Band and origin of magnitude (Note 3)   (meta.note)
FX 189 10-17W/m2 Flux in ROSAT X-ray band (phot.flux;em.X-ray)
logFX/Fo 0.85   log flux ratio X-ray to optical (phot.flux;arith.ratio)
logLX 44.8 10-7W log of X-ray luminosity (phys.luminosity;em.X-ray)
Note    [Y] Y: Note detailed in notes.dat file (meta.note)
  
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