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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

  Spectroscopic follow-up of the QUBRICS quasars (Boutsia+, 2020)
Post annotation
1.J/ApJS/250/26/table1(c)All observed sources with secure redshift identification (303 rows)
2.J/ApJS/250/26/table2(c)Additional identifications from the literature (24 rows)
3.J/ApJS/250/26/table3(c)The Golden sample of Southern QSOs for the Sandage Test (30 rows)
Help Xmatch is

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. (meta.record)
   (ALL)ID   [107306/318699655] Skymapper identifier (;meta.main)
  (1)f_ID (char) Flag on ID (Note 1)   (meta.code)
  (1+2)RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1+2)DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
   (ALL)imag mag [14.6/18.4] Apparent i band AB magnitude (phot.mag;em.opt.I)
  (1)zspec   [0/4.8] Spectroscopic redshift (src.redshift)
  (1+2)Class (char) Class ("QSO": 251 occurrences; "AGN": 25 occurrences; "GAL": 9 occurrences or "STAR": 18 occurrences) (src.class)
  (1)PapI (char) Candidate in Paper I (Calderone+ 2019ApJ...887..268C ; yes: 259 occurrences) (Note 2)   (meta.code)
  (1)New (char) Candidate with new training set (yes:205 occurrences) (Note 2)   (meta.code)
  (1)Obs "Y:M:D" [2018/2020] Year of the observation (time.epoch)

ALL cols
 (i)indexed column
  (1)Obs2  (n) Month for the second observation (time.epoch)
  (1)Inst (char) Instrument code(s) (Note 3)   (meta.code;instr)
   (ALL)SimbadName (char) (n)Designation understandable by the Simbad data-base (
  (2)zsp   [0.2/3.13] Spectroscopic redshift (src.redshift)
  (2)Survey (char) Survey identifier (Note 1)   (
  (2)6dF (char) Display the 6dF galaxy survey (VII/259) within 3" (meta.ref.url)
  (3)SMSS (char) SkyMapper name of the source ( (
  (3)RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (3)DEJ2000 deg (i) [-69.4/-0.7] Declination (J2000) (pos.eq.dec;meta.main)
  (3)rmag mag (n) [16.6/18.1] r-band AB magnitude (phot.mag;em.opt.R)
  (3)f_rmag (char) [*] * : no value of rmag (meta.code)
  (3)Gmag mag [16.5/18.6] Gaia G-band magnitude (phot.mag;em.opt)
  (3)z   [2.8/4.8] Redshift (src.redshift)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  (3)t22.5 h [39.9/99.4] Total time required to carry out the Sandage Test (velocity accuracy of 22.5cm/s) (time.epoch)
  (3)C19  (n)Display data from Paper I (Calderone+, 2019, J/ApJ/887/268) (meta.ref.url)
  (3)Gaia (char) Display the Gaia DR2 data (I/345) within 3" (meta.ref.url)

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