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/ApJ/861/130
  BL Lac objects GTC low resolution spectroscopy (Landoni+, 2018)
ReadMe+ftp
2018ApJ...861..130L
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/861/130/bllacThe Sample of high redshift SDSS BLLac candidates with their observation log obtained at the Gran Telescopio CANARIAS (GTC) and the properties of the optical spectra (tables 1-3) (16 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);(unassigned);(unassigned);phys.veloc)
  Ns  (n)Number of spectral line measurements (link to Table 4) ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  SDSS (char) (i) Object Name ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  f_SDSS (char) c = Published in Paiano+ (2017ApJ...844..120P) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  RAJ2000 "h:m:s" [7/17] Hour of Right Ascension (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 "d:m:s" Degree of Declination (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  GLON deg Galactic longitude, decimal degrees ((unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  GLAT deg Galactic latitude, decimal degrees (XXXXXXX)
  Vmag mag [17.3/19.9] Magnitude from catalog ((unassigned);pos.galactic.lon;arith.factor;stat.filling;(unassigned);(unassigned))
  E(B-V) mag [0.01/0.2] Reddening (from NED) ((unassigned);phys.veloc.orbital;arith.diff;pos.lsr)
  l_z (char) [<=>] Redshift limit flag (obs.param;obs.atmos;arith.factor;pos.galactic.lon;pos.parallax;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  z   [0.9/3.4] Redshift (Note 1)   (meta.record;pos.az.azi;arith.factor;pos.parallax;meta.main)
  n_z (char) Redshift type (T=Tentative; LL=Lower limit from intervening systems) ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  ExpB s [300/7200] Exposure time for R1000B grism ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  DateB "Y:M:D" (n)Date of observation of R1000B grism ((unassigned);phys.veloc.orbital;arith.diff;pos.centroid;meta.main)
  SeeB arcsec [0.9/2.8] Seeing during acquisition of R1000B grism ((unassigned);(unassigned);(unassigned);phys.atmol.collStrength)
  ExpR s [700/7200] Exposure time for R1000R grism ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  DateR "Y:M:D" (n)Date of observation of R1000R grism ((unassigned);instr.det.qe;stat.min;pos.centroid;meta.main)
  SeeR arcsec [0.8/2.4] Seeing during acquisition of R1000R grism ((unassigned);(unassigned);(unassigned);phys.atmol.collStrength)
  rmag mag [17/19.8] Magnitude measured from acquisition image in r band ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  SNR   [20/100] Average GTC S/N of the spectrum ((unassigned);(unassigned);(unassigned);meta.abstract;meta.main)
  b_EWmin 0.1nm [0.2/1] Lower range of the minimum equivalent width (Note 1)   (stat.fit.goodness;(unassigned);(unassigned);phys.at.moment.magnetic;arith.ratio)
  B_EWmin 0.1nm [0.8/1.5] Upper range of the minimum equivalent width (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic;arith.ratio;pos.lsr;meta.main)
  l_zspec (char) [<=>] Redshift limit flag ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  zspec   [0.3/3.4] Proposed redshift from this work ((unassigned);pos.phaseAng;arith.factor;pos.parallax;meta.main)
  f_zspec (char) Flags on proposed redshift (Note 2)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  Class (char) Class of the object (B=BLL or Q=FSRQ) (phot.flux.density.sb;pos.parallax.trig;arith.factor;pos.galactic)
  Sloan  Display the online SDSS data for the nearest object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  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);arith.factor;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:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846561589 Where phase=3 and catid=18610130
**** 
**** --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 
****error getting UCD 1095216660480 1020
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR3679720.err (2026-10-29T03:59:48)
-3
-source=J/ApJ/861/130/bllac
-ref=VIZ6ae2c4b43825e8
elapse time 1