VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
CDS

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/753/42
  Double-peaked AGN. I. Dual AGN candidates (Comerford+, 2012)
ReadMe+ftp
2012ApJ...753...42C
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/753/42/dagncObservations and measurements of the 81 double-peaked AGNs (tables 1 and 2) (81 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)
  SDSS (char) SDSS designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  T/I (char) Telescope/instrument (Lick/Kast, MMT/Blue Channel or Palomar/DBSP) (meta.note)
  Date1 "Y:M:D" (n)First observation date; UT (Note 1)   (time.epoch;obs)
  Date2 "Y:M:D" (n)Second observation date if differs from Date1 (Note 1)   (time.epoch;obs)
  PA1 deg [0/180] Position angle of slit in first observation (degrees east of north) (pos.posAng;obs)
  PA2 deg [0/180] Position angle of slit in second observation (degrees east of north) (pos.posAng;obs)
  Exp1 s Exposure time at first position angle (Note 2)   (time.duration;obs.exposure)
  Exp2 s (n) Exposure time at second position angle (Note 2)   (time.duration;obs.exposure)
  Xcat  (n)Cross-match with Liu et al. 2010 (J/ApJ/716/866), Smith et al. 2010 (J/ApJ/708/427), and Wang et al. 2009 (J/ApJ/705/L76) within 2" (meta.ref.url)
  DR9  Display the photometric SDSS-DR9 catalog (Cat. V/139) within 1" (meta.ref.url)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Sloan  Display the SDSS online data for the nearest SDSS (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)
  SName (char) SDSS short name (HHMM+DDMM) (meta.id)
  n_SName (char) [p,s ] Interesting features of the candidate (Note 4)   (meta.note)
  z   [0.03/0.4] Redshift (src.redshift)
  T   [1/2] Spectral type of the AGN (type I or II) (meta.code.class)
  dV km/s [222/686] Velocity offset ΔV between the [OIII]5007 peaks in the SDSS spectrum. (phys.veloc;arith.diff)
  e_dV km/s Error in dV (stat.error)
  dXang arcsec Angular projected spatial offset between the two [OIII]5007 emission features on the sky. (pos;arith.diff)
  e_dXang arcsec Error in dXang (stat.error)
  dXkpc kpc Physical projected spatial offset (in kpc/h70) (pos.distance)
  e_dXkpc kpc Error in dXkpc (stat.error)
  Em (char) [ce] Physical extent of double AGN emission features in 2D spectrum: compact or extended. (meta.code)
  PA deg [0/180] Position angle between the two [OIII]5007 emission features on the sky (East of North) (pos.posAng;obs.field)
  e_PA deg Error in PA and dPA (stat.error)
  dPA deg [0/90] Angle with major axis (Note 5)   (pos.angDistance)
  ell   [0/1] Ellipticity (src.ellipticity)
  Oobs (char) Other published observation(s) (Note 6)   (meta.code;obs)
  Ref (char) Reference(s) (Note 7)   (meta.ref;pos.frame)
  _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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