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

  
IX/4
  Fourth UHURU Catalogue (4U) (Forman+ 1978)
Post annotation
img(gal)
1.IX/4/4u4th Uhuru catalogue (339 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  4U (char) 4U name (HHMM+DD) (meta.id;meta.main)
  RAB1950 "h:m:s" (i) Right ascension (B1950) (Note 1)   (pos.eq.ra;meta.main)
  DEB1950 "d:m:s" (i) Declination (B1950) (Note 1)   (pos.eq.dec;meta.main)
  a90 deg+2 Area of the 90% confidence level error box (stat.error)
  CR ct/s Count rate (Note 2)   (phot.count;em.X-ray)
  e_CR ct/s (n) rms uncertainty on CR (Note 3)   (stat.error)
  l_var (char) Limit flag on var (meta.code.error)
  var  (n) Ratio of the maximum to minimum observed count rate, maxtomin_ratio (Note 4)   (src.var.index)
  Flux mW/m2 X-ray flux in the 2-6keV band (erg/cm2/s) (Note 5)   (phot.flux;em.X-ray)
  e_Flux mW/m2 (n) rms uncertainty on Flux (stat.error;phot.flux)
  FluxC mCrab X-ray flux in the 2-6keV band, in milliCrabs (Note 6)   (phot.flux;em.X-ray)
  e_FluxC mCrab (n) rms uncertainty on FluxC (stat.error)
  Com (char) Comments (Note 7)   (meta.note)
  _RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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Rules of usage of VizieR data

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