VizieR

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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/ApJ/764/135
  Spectroscopic redshifts of BL Lac objects (Shaw+, 2013)
ReadMe+ftp
2013ApJ...764..135S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/764/135/table3BL Lac spectral properties (372 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  2FGL (char) 2FGL catalog identifier (JHHMM.m+DDMM) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  RAJ2000 deg Right Ascension in decimal degrees (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 deg Declination in decimal degrees (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  Name (char) Source name (JHHMM+DDMM) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  logF [10uJy] log(spectral flux) at ~598nm (Note 1)   ((unassigned);(unassigned);(unassigned);meta.abstract)
  e_logF [10uJy] Uncertainty in logF ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  alpha   [-6.5/3] Spectral index {alpha} (Note 1)   ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  e_alpha  (n) Uncertainty in alpha ((unassigned);(unassigned);(unassigned);time.age;(unassigned))
  RMag mag (n) [-24.3/-21] Absolute R band magnitude ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);(unassigned))
  e_RMag mag (n) [0.08/0.4] Uncertainty in RMag ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  z  (n) [0.01/2.5] Spectroscopic redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  u_z (char) Systematic uncertainty flag in z; see text ((unassigned);(unassigned);(unassigned);pos.galactic.lon;pos.parallax;meta.main)
  n_z (char) Redshift method for z (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  zmin  (n) Spectroscopic lower redshift limit (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  z22.5  (n) Minimum redshift assuming MR=-22.5mag ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;arith.diff;meta.main)
  z22.9  (n) Minimum redshift assuming MR=-22.9mag ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;arith.diff;meta.main)
  zmax  Spectroscopic upper redshift limit ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  Type (char) Source type (Note 4)   ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sweight;meta.main)
  SED (char) Spectral energy distribution type (Note 5)   ((unassigned);phys.veloc.orbital;arith.diff;pos.posAng;meta.unit)
  Tel (char) Telescope used to obtain the data (Note 6)   ((unassigned);(unassigned);(unassigned);phys.electron.degen)
  MJD d Modified Julian Date of the observation ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  NED  ask the NED data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
#***filter(0,9200) not found for column 'logF'
#***filter(0,9200) not found for column 'logF'
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846452389 Where phase=3 and catid=17640135
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR397775.err (2026-10-27T21:39:46)
-3
-source=J/ApJ/764/135
-ref=VIZ6ae11a24611cf
elapse time 3