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/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/bllac(c)The 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)
2.J/ApJ/861/130/table4Measurements of spectral lines (55 rows)

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);meta.version;arith.diff;phys.veloc)
  (1)Ns  (n)Number of spectral line measurements (link to Table 4) ((unassigned);meta.version;arith.diff;src.var)
   (ALL)SDSS (char) (i) Object Name ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  (1)f_SDSS (char) c = Published in Paiano+ (2017ApJ...844..120P) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)RAJ2000 "h:m:s" [7/17] Hour of Right Ascension (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)DEJ2000 "d:m:s" Degree of Declination (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)GLON deg Galactic longitude, decimal degrees ((unassigned);pos.galactic.lon;arith.diff;(unassigned);meta.main)
  (1)GLAT deg Galactic latitude, decimal degrees ((unassigned);(unassigned);(unassigned);(unassigned))
  (1)Vmag mag [17.3/19.9] Magnitude from catalog ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (1)E(B-V) mag [0.01/0.2] Reddening (from NED) ((unassigned);pos.galactic.lon;arith.diff;pos.lsr)
  (1)l_z (char) [<=>] Redshift limit flag ((unassigned);(unassigned);(unassigned);pos.galactic.lon;pos.parallax;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)z   [0.9/3.4] Redshift (Note 1)   ((unassigned);meta.version;arith.diff;pos.parallax;meta.main)
  (1)n_z (char) Redshift type (T=Tentative; LL=Lower limit from intervening systems) ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (1)ExpB s [300/7200] Exposure time for R1000B grism ((unassigned);meta.version;arith.diff;(unassigned);(unassigned);meta.main)
  (1)DateB "Y:M:D" (n)Date of observation of R1000B grism ((unassigned);meta.version;arith.diff;pos.centroid;meta.main)
  (1)SeeB arcsec [0.9/2.8] Seeing during acquisition of R1000B grism ((unassigned);(unassigned);(unassigned);phys.atmol.collStrength)
  (1)ExpR s [700/7200] Exposure time for R1000R grism ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  (1)DateR "Y:M:D" (n)Date of observation of R1000R grism ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  (1)SeeR arcsec [0.8/2.4] Seeing during acquisition of R1000R grism ((unassigned);(unassigned);(unassigned);phys.atmol.collStrength)
  (1)rmag mag [17/19.8] Magnitude measured from acquisition image in r band ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (1)SNR   [20/100] Average GTC S/N of the spectrum ((unassigned);meta.version;arith.diff;meta.abstract;meta.main)
  (1)b_EWmin 0.1nm [0.2/1] Lower range of the minimum equivalent width (Note 1)   ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;arith.ratio)
  (1)B_EWmin 0.1nm [0.8/1.5] Upper range of the minimum equivalent width (Note 1)   ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;arith.ratio;pos.lsr;meta.main)
   (ALL)l_zspec (char) [<=>] Redshift limit flag ((unassigned);(unassigned);(unassigned);pos.galactic.lon)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)zspec   [0.3/3.4] Proposed redshift from this work ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
   (ALL)f_zspec (char) Flags on proposed redshift (Note 2)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)Class (char) Class of the object (B=BLL or Q=FSRQ) ((unassigned);(unassigned);(unassigned);pos.galactic)
  (1)Sloan (char) Display the online SDSS data for the nearest object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)Simbad (char) ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)NED (char) ask the NED data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (2)l_lambda (char) [~ ] Uncertainty flag on lambda ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (2)lambda 0.1nm [4235.4/9298] Barycenter of the detected line, in Angstrom units (stat.weight;(unassigned);arith.factor;meta.bib.author)
  (2)f_lambda (char) [* ] Barycenter contamination flag ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (2)EW 0.1nm [0.2/87] Measured equivalent width, Angstroms ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (2)Line (char) Line identification ((unassigned);(unassigned);(unassigned);spect.line.veloc;phys.angArea;meta.main)
  (2)Lum [Lsun] (n) [41/43.7] Line (log) luminosity; only for emission features; in solar units ((unassigned);(unassigned);(unassigned);(unassigned))
  (2)Type (char) Feature Type (Note 2)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)

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=846471861 Where phase=3 and catid=18610130
**** 
**** --POSTGRES MSG db=0
**** 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 execute query: UPDATE METAstat set nother=nother+1, tother=846471861 Where phase=3 and catid=18610130
**** 
**** --POSTGRES MSG db=0
**** 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/VR648611.err (2026-10-28T03:04:19)
-3
-source=J/ApJ/861/130
-ref=VIZ6ae166349e5a3
elapse time 2