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/950/95
  GNIRS-DQS: SDSS 1.5<z<3.5 QSOs with NIR sp. obs. (Matthews+, 2023)
ReadMe+ftp
2023ApJ...950...95M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/950/95/table1The Gemini Near Infrared Spectrograph-Distant Quasar Survey (GNIRS-DQS) observation log (333 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. (meta.record)
  Vel  (n)Display the redshift and velocity offsets (Table 5) (meta.ref.url)
  SDSS (char) (i) SDSS DR16 object designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  m_SDSS  (n)Number of observations for this source (meta.number)
  zSDSS   [1.55/3.54] SDSS spectroscopic redshift (Note 1)   (src.redshift;pos.heliocentric)
  Jmag mag [14.88/17.6] 2MASS J band magnitude (phot.mag;em.IR.J)
  Hmag mag [14/16.5] 2MASS H band magnitude (phot.mag;em.IR.H)
  Ksmag mag [13.5/16.7] 2MASS Ks band magnitude (phot.mag;em.IR.K)
  ObsDate "Y:M:D" (n)Observation date (UT) (time.epoch;obs)
  SemID (char) Semester of observation (meta.id;obs)
  NExp s [450/2350] Net exposure time (time.duration;obs.exposure;src.net)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Comm  (n) [0/3] Additional comment code (Note 2)   (meta.code)
  BAL   [0/1] Broad Absorption Line quasar (1=78 occurrences) (meta.code)
  RL   [0/1] Radio-Loud quasar (1=15 occurrences) (meta.note)
  PapII  (n)Display data from Paper II (Dix+ 2023, J/ApJ/950/96) (meta.ref.url)
  M21  (n)Display data from Matthews+ 2021, J/ApJS/252/15 (meta.ref.url)
  spG  (n)Display the spectral measurements (Tables 2+4) (meta.ref.url)
  Sup  (n)Display the supplemental emission-line measurements (Table 3) (meta.ref.url)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  NED  ask the NED data-base about this object (meta.ref.url)
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

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