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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/MNRAS/498/1951
  Lyman limit systems in large quasar surveys (Fumagalli+, 2020)
ReadMe+ftp
2020MNRAS.498.1951F
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spectrum
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Post annotation 		img(gal)
1.J/MNRAS/498/1951/table1Final classification for the full sample[spectrum] (9911 rows) (released 2024-08-21)
[METAtab] [METAcola]

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - ) [METAcola]
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Name (char) Quasar name in the SDSS convention (spec-Plate-MJD-Fiber) (meta.id;meta.main)
  RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  z  Quasar redshift from the SDSS pipeline (src.redshift)
  S/N  Signal to noise ratio measured at 1150Å in the quasar rest-frame (stat.snr)
  Primary (char) [Y/N] Flag indicating if the quasar is a "Science Primary" observation (meta.code)
  Train (char) [Y/N] Flag indicating if the quasar is included in the training set (meta.code)
  Class  Flag describing the outcome of the classification (Note 1)   (meta.code.class)
  zLLS  Measured redshift of the Lyman limit system (LLS) (src.redshift;pos.heliocentric)
  Sp  Interactive spectrum from SDSS-DR16 (meta.ref.url)
spectrum
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
.errorfile=/tmp/V-0.err (2025-08-23T23:50:20)
-2
-source=74981951
-ref=VIZ68aa53bc34f8b9
elapse time 0

Options: wopt=0, optS=0, onote=0, opt1=8, opos=0

Contents of error file (/tmp/V-0.err):
ZIR'):
[1755993020]   Select colid, photid, fltrid, photid1, fltrid1 From METAsed where catid=0 and tabid=11
----db1_query(0 'metaviz@VIZIR'):
[1755993020]   Select famid, name, explain From METAfam where famid=156
----db1_reset(0 'metaviz@VIZIR')
----inherit(u=used, h=hidden):
     [u] +source=74981951
     [u] -ref=VIZ68aa53bc34f8b9
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
----db1_close(1 'metaviz@VIZIR')
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