VizieR

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

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/248/31
  HST & Chandra obs. of elliptical galaxies (Lehmer+, 2020)
ReadMe+ftp
2020ApJS..248...31L
Similar Catalogs
spectrum/SED
Post annotation 		img(gal)
1.J/ApJS/248/31/tableb1X-ray point-source catalog and properties (3923 rows)

Simple ConstraintList Of Constraints
 
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)
  NGC   [1023/7457] Galaxy NGC number (meta.id.parent)
  Seq   [1/479] Point-source identification number within the galaxy (meta.id;meta.main)
  RAJ2000 deg (i) Right Ascension, decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination, decimal degrees (J2000) (pos.eq.dec;meta.main)
  theta arcmin [0/6.6] Angular offset from Chandra aim point (pos.angDistance)
  NFB ct [1/41652] Net background subtracted 0.5-7keV counts (instr.background;em.X-ray.medium;src.net)
  e_NFB ct [1/218] Uncertainty in NFB (stat.error)
  NH 10+22cm-2 [0.014/11] Best fit hydrogen column density (Note 1)   (phys.columnDensity;meta.modelled)
  l_NH (char) [uf] u: upper limit flag on NH; f: fixed values (meta.code.error)
  e_NH 10+22cm-2(n) [0.014/9] Uncertainty in NH (stat.error)
  Gamma   [0.09/3.3] Best fit photon index (Note 1)   (meta.code;spect.index;meta.modelled)
  l_Gamma (char) [uf] u: upper limit flag on Gamma; f: fixed values (meta.code.error)
  e_Gamma  (n) [0.02/2.5] Uncertainty in Gamma (stat.error)
  logFfb [mW/m2] [-22/-12] log of 0.5-8keV flux, erg/s/cm2 (phot.flux;em.X-ray)
  logLfb [10-7W] [30.5/40.3] log of 0.5-8keV luminosity; in erg/s units (phys.luminosity;em.X-ray)
  LOC   [1/3] Flag indicating location of source in galaxy (Note 2)   (meta.code)
  OPT (char) [BFGU] HST (optical) classification of the source (Note 3)   (meta.code.class)

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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