VizieR

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

VizieR

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J/ApJ/847/81
  HeII photoionization rates of quasars (Schmidt+, 2017)
ReadMe+ftp
2017ApJ...847...81S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/847/81/losqso(c)Overview of the FUV spectra, HeII sightlines and the number of foreground quasars for the 22 background quasar sightlines (tables 1 and 2) (22 rows)
2.J/ApJ/847/81/table3(c)Quasars discovered within our survey (131 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (ALL)HE2QS (char) He II-transparent quasar ID ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
   (ALL)Inst (char) HST instrument +grating ((unassigned);(unassigned);(unassigned);meta.code.qual)
  (1)R   [1000/18000] Dispersion ((unassigned);phys.veloc.orbital;arith.diff;phys.mass)
  (1)HST   [9350/13013] HST Program Id ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;stat.median)
  (1)PI (char) HST Program PI ((unassigned);(unassigned);(unassigned);meta.version)
  (1)Ref (char) Reference(s) (Note 1)   ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;?)
  (1)RAJ2000 "h:m:s" Hour of Right Ascension (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (1)DEJ2000 "d:m:s" Degree of Declination (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)zBG   [2.7/4] Spectroscopic redshift of HeII-transparent QSO ((unassigned);(unassigned);(unassigned);pos.parallax;arith.diff;meta.main)
  (1)N-VLT  (n) [0/2] Number of quasars detected with VLT/VIMOS+LBT/LBC ((unassigned);(unassigned);(unassigned);src.var)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)N-NTT  (n) [0/2] Number of quasars detected with NTT/EFOSC2 ((unassigned);(unassigned);(unassigned);src.var)
  (1)N-CAHA  (n) [0/5] Number of quasars detected with CAHA/TWIN ((unassigned);(unassigned);(unassigned);src.var)
  (1)N-SDSS  (n) [0/7] Number of quasars used from SDSS (Note 1)   ((unassigned);(unassigned);(unassigned);src.var)
  (1)N-Lit  (n) [1/2] Number of quasars used from the Literature (Note 2)   ((unassigned);pos.wcs.naxis;arith.grad;src.var)
  (1)Nfg  (n)Number of foreground quasars in this field (link to table 3) ((unassigned);stat.error;arith.factor;src.var)
   (ALL)Sloan (char) Display the online SDSS data for the nearest object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (1)SimbadName (char) Designation understandable by the Simbad data-base ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  (1)NED (char) ask the NED data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (2)RAJ2000 deg Right Ascension, foreground QSOs (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (2)DEJ2000 deg Declination, foreground QSOs (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (2)zspec   [0.6/4.2] Spectroscopic Redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  (2)rmag mag (n) [17/24.5] SDSS r band AB magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (2)M1450 mag (n) [-27.8/-20.5] Absolute M1450 magnitude ((unassigned);(unassigned);(unassigned);(unassigned))
  (2)Sep arcsec [3.1/80.4] Angular separation ((unassigned);phys.veloc.orbital;arith.diff;em.mm.50-100GHz)
  (2)Dprop Mpc [1.5/39.8] Transverse separation in situation proper distances; in proper Mpc units ((unassigned);phys.veloc.orbital;arith.factor;em.UV.10-50nm)
  (2)GamHeQSO s-1 [6.8e-17/1.1e-06] HeII photoionization rate ((unassigned);(unassigned);(unassigned);(unassigned))
  (2)Simbad (char) ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)

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