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/217/21
  XMM-Newton survey of local OVII absorbers (Fang+, 2015)
ReadMe+ftp
2015ApJS..217...21F
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/217/21/table1The AGN sample (43 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)
  Name (char) Target identifier (meta.id;meta.main)
  Type   [1/2] Target type (1=BL Lac or 2=Seyfert 1) (meta.code.class)
  GLON deg Galactic longitude (pos.galactic.lon)
  GLAT deg Galactic latitude (pos.galactic.lat)
  z   [0.002/0.6] Redshift (src.redshift)
  NHI 10+20/cm2Dickey & Lockman (1990ARA&A..28..215D) H I column density (phys.columnDensity)
  Exp ks [29/1086] Total exposure time (time.duration;obs.exposure)
  CPRE   [21/14554] Counts per resolution element (phot.count;em.X-ray)
  logNO [cm-2] (n) [15.6/19] Log OVII column density (phys.columnDensity)
  E_logNO [cm-2] (n) [0.2/3] Upper 1σ uncertainty in logNO (stat.error;stat.max)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_logNO [cm-2] (n) [0.3/3] Lower 1σ uncertainty in logNO (stat.error)
  b km/s (n) [20/300] Doppler-b parameter (stat.param)
  E_b km/s (n) [0/280] Upper 1σ uncertainty in b (stat.error;stat.max)
  e_b km/s (n) [0/280] Lower 1σ uncertainty in b (stat.error)
  Vel km/s (n) [-120/142] Velocity shift of line center (phys.veloc;arith.diff)
  E_Vel km/s (n) [0/240] Upper 1σ uncertainty in Vel (stat.error;stat.max)
  e_Vel km/s (n) [0/240] Lower 1σ uncertainty in Vel (stat.error)
  l_EW1 (char) The 3σ upper limit flag on EW1 (Note 1)   (meta.code.error)
  EW1 10-13m (n) [5/65] Method 1 equivalent width; in milliAngstroms unit (spect.line.eqWidth)
  e_EW1 10-13m (n) [0.6/25.2] The 1σ uncertainty in EW1 (stat.error)
  S/N1  (n) [1/20] Signal-to-Noise ratio from method 1 (Note 2)   (stat.snr)
  C  (n) [12/2567] C-statistic (stat.fit.param)
  dof  (n) [12/2535] Degree of freedom (stat.fit.dof)
  EW2 10-13m (n) [5.6/61.1] Method 2 equivalent width; in milliAngstroms unit (Note 3)   (spect.line.eqWidth)
  e_EW2 10-13m (n) [0.5/30.3] The 1σ uncertainty in EW2 (Note 3)   (stat.error)
  S/N2  (n) [0.6/22] Signal-to-Noise ratio from method 2 (Note 2)   (stat.snr)
  Note (char) Additional note(s) (Note 4)   (meta.note)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  NED  ask the NED data-base about this object (meta.ref.url)
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

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