VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/AJ/126/2740
  X-ray emission of RASS Abell clusters (Ledlow+, 2003)
ReadMe+ftp
2003AJ....126.2740L
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/126/2740/table1(c)X-ray Properties of Nearby Abell Cluster Sample (579 rows)
2.J/AJ/126/2740/table2(c)X-ray Peaks and Optical identifications (856 rows)
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Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)Abell (char) Abell cluster identification (meta.id;meta.main)
  (1)f_Abell (char) [*4] Flag on Abell (Note 1)   (meta.code.error)
  (1)z  Redshift (src.redshift)
  (1)Exp  Mean RASS exposure time (time.duration;obs.exposure)
   (ALL)RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1)Off kpc (n) Offset X-ray peak projected distance from Abell's position (Note 2)   (pos.distance)
  (1)l_FX (char) Limit flag on FX (meta.code.error)
  (1)FX 10-15W/m2(n) Peak X-ray flux (10–12erg/s/cm2) within a 500(h75)–1kpc aperture (phot.flux;em.X-ray)
  (1)e_FX 10-15W/m2(n) Error in FX (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)l_LX (char) Limit flag on LX (meta.code.error)
  (1)LX 10+36W Luminosity in units of 1043erg/s (Note 3)   (phys.luminosity;em.X-ray)
  (1)e_LX 10+36W (n) Error in LX (stat.error)
  (1)F500  (n) The 500/62.5(h75)–1kpc aperture flux ratio (phot.flux;arith.ratio)
   (ALL)S/N  (n) Signal to noise (Note 4)   (stat.snr)
  (1)S/Nmax  (n) Maximum signal to noise (stat.snr)
   (ALL)Simbad (char) ask the Simbad data-base about this object (meta.ref)
   (ALL)NED (char) ask the NED data-base about this object (meta.ref)
  (2)Off arcsec X-ray peak projected distance from Abell's position (pos.distance)
  (2)PFlux 10-4ct/s/pixPeak flux in units of 10–4counts/s/pixel (phot.count;em.X-ray)
  (2)F250  The 250/62.5(1/h75)kpc aperture flux ratio (phot.flux;arith.ratio)
  (2)Note (char) Cluster emission code (Note 1)   (meta.note)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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