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/854/160
  SDSS and DES long-term extreme variability QSOs (Rumbaugh+, 2018)
ReadMe+ftp
2018ApJ...854..160R
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/ApJ/854/160/table2The "extreme variability quasar" (EVQ) sample[spectrum] (977 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)
  Seq   [28/105778] Zero based object index of the DR7 QSO catalog of Shen+ (2011, J/ApJS/194/45) (meta.id;meta.main)
  RAJ2000 deg (i) Right ascension, decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination, decimal degrees (J2000) (pos.eq.dec;meta.main)
  zspec   [0.1/4.4] SDSS spectroscopic redshift (src.redshift)
  MJD-lo d [51075/57399.1] Modified Julian Date of faintest epoch, JD-2400000.5 (Note 1)   (time.epoch)
  gmag-lo mag [16.3/23.1] SDSS g PSF AB magnitude at MJD-lo (phot.mag;em.opt.B)
  e_gmag-lo mag [0.005/0.2] Uncertainty in gmag-lo (stat.error)
  MJD-hi d [51075/57399.1] Modified Julian Date of brightest epoch, JD-2400000.5 (Note 1)   (time.epoch)
  gmag-hi mag [15.2/21.9] SDSS g PSF AB magnitude at MJD-hi (phot.mag;em.opt.B)
  e_gmag-hi mag [0.003/0.2] Uncertainty in gmag-hi (stat.error)
  fFIRST  (n) [-1/2] FIRST quasar type (Note 2)   (meta.code)
  SpID (char) Spectroscopic plate-fiber-mjd number from Shen+, 2011, J/ApJS/194/45 (meta.id)
  FIRST  Display data from FIRST (VIII/92) within 10" (meta.ref.url)
  DR7Q  Display data from SDSS-DR7 (VII/260) quasar catalogs within 1" (meta.ref.url)
  Sloan  Display the online SDSS data for the nearest object (meta.ref.url)
  Sp  Interactive spectrum from SDSS-DR14 (meta.ref.url)
spectrum
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  NED  ask the NED data-base about this object (meta.ref.url)

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  
elapse time 1