VizieR

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

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJS/80/531
  An X-ray catalog and atlas of galaxies. (Fabbiano+, 1992)
ReadMe+ftp
1992ApJS...80..531F
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/80/531/gxatlas(c)Observation Info for the EINSTEIN Galaxy Catalog (716 rows)
2.J/ApJS/80/531/gxfluxes(c)Flux Density Info for the EINSTEIN Galaxy Catalog (448 rows)
Help Xmatch is

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)Name (char) (i) Name of the object (NGC, IC, UGC number) (meta.id;meta.main)
   (ALL)note (char) [ ab] Note: 'a' if AGN or 'b' if Virgo (meta.note)
   (ALL)RAB1950 "h:m:s" (i) Right Ascension (B1950) (hour) (pos.eq.ra;meta.main)
   (ALL)DEB1950 "d:m:s" (i) Declination (B1950) (deg) (pos.eq.dec;meta.main)
  (1)nH 10+20cm-2Foreground column of HI (Note 1)   (phys.columnDensity)
  (1)inst (char) [IH] Instrument used (Note 2)   (meta.id;instr)
  (1)Seqno  Observation sequence number (meta.id)
  (1)obs "Y:M:D" Year of start of observation minus 1900 (time.epoch)
  (1)livetime s Time of observation (Note 3)   (time.duration;obs.exposure)
  (1)offaxis arcmin Distance to field center (Note 4)   (pos.angDistance)

ALL cols		    
 (i)indexed column
  (2)instr (char) [IH] Instrument used (Note 2)   (meta.id;instr)
  (2)seqno  Observation sequence number (Note 3)   (meta.id)
  (2)Bmag mag Apparent B magnitude (Note 4)   (phot.mag;em.opt.B)
  (2)type  T-type following RC2 (Note 5)   (src.morph.type)
  (2)RA_X "h:m:s" (n) Right Ascension (B1950) (hour) (Note 6)   (pos.eq.ra)
  (2)DE_X "d:m:s" (n) Declination (B1950) (deg) (Note)   (pos.eq.dec)
  (2)radius arcsec (n) Size of aperture for flux extraction (phys.angSize;src)
  (2)l_counts (char) Flagged '<' if counts is an upper limit (Note 7)   (meta.code.error)
  (2)counts ct (n) Total counts from EINSTEIN observation (Note 7)   (phot.count;em.X-ray)
  (2)e_counts ct (n) Error on count total (Note 7)   (stat.error)
  (2)l_crate (char) [ <] '<' if count rate is upper limit (Note 8)   (meta.code.error)
  (2)crate ct/ks (n) Count-rate from EINSTEIN observation (Note 8)   (phot.count;em.X-ray)
  (2)l_FluxX (char) [ <] '<' if flux is an upper limit (Note 9)   (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)FluxX 10-16W/m2(n) X-ray flux (Note 9)   (phot.flux;em.X-ray)
  (2)dist Mpc Assumed distance in Megaparsecs (Note 10)   (pos.distance)
  (2)l_logLx (char) [ <] '<' if luminosity is upper limit (Note 11)   (meta.code.error)
  (2)logLx [10-7W] (n) Log of the X-ray luminosity (Note 11)   (phys.luminosity;em.X-ray)

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