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/887/15
  Xinglong spectra of two changing-look SDSS AGNs (Wang+, 2019)
spectrum
Post annotation
img(gal)
1.J/ApJ/887/15/table1Log of spectroscopic observation for five candidates selected in MacLeod et al. 2019, J/ApJ/874/8tabContent{spectrum} (12 rows)

 
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)
  SDSS (char) (i) SDSS name (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  z   [0.21/0.61] Redshift (src.redshift)
  gmag mag [16.19/18.07] SDSS g-band (AB) magnitude (phot.mag;em.opt.B)
  Date "Y:M:D" (n)Date of observation (UT) (time.epoch)
  Exp s [2400/7200] Total exposure time (time.duration;obs.exposure)
  Sp  Interactive spectrum plot (meta.ref.url)
spectrum
  Sloan  Display the online SDSS-DR14 data for the nearest object (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  NED  ask the NED data-base about this object (meta.ref.url)
  _RA deg (i) Positions from SDSS names (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SDSS names (declination part) (pos.eq.dec;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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Rules of usage of VizieR data

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