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/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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  SDSS (char) SDSS designation (JHHMMSS.ss+DDMMSS.s) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  T/I (char) Telescope/instrument (Lick/Kast, MMT/Blue Channel or Palomar/DBSP) ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  Date1 "Y:M:D" (n)First observation date; UT (Note 1)   ((unassigned);(unassigned);(unassigned);pos.centroid;stat.param)
  Date2 "Y:M:D" (n)Second observation date if differs from Date1 (Note 1)   ((unassigned);(unassigned);(unassigned);pos.centroid;stat.param)
  PA1 deg [0/180] Position angle of slit in first observation (degrees east of north) ((unassigned);(unassigned);(unassigned);instr.spect;stat.param)
  PA2 deg [0/180] Position angle of slit in second observation (degrees east of north) ((unassigned);(unassigned);(unassigned);instr.spect;stat.param)
  Exp1 s Exposure time at first position angle (Note 2)   ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  Exp2 s (n) Exposure time at second position angle (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);meta.main)
  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" ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  DR9  Display the photometric SDSS-DR9 catalog (Cat. V/139) within 1" ((unassigned);(unassigned);(unassigned);pos.geocentric)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Sloan  Display the SDSS online data for the nearest SDSS ((unassigned);(unassigned);(unassigned);pos.geocentric)
  Simbad  ask the Simbad data-base about this object (phot.flux.sb;stat.covariance;arith.factor;pos.geocentric)
  NED  ask the NED data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion)
  SName (char) SDSS short name (HHMM+DDMM) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  n_SName (char) [p,s ] Interesting features of the candidate (Note 4)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  z   [0.03/0.4] Redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  T   [1/2] Spectral type of the AGN (type I or II) ((unassigned);(unassigned);(unassigned);pos.galactic)
  dV km/s [222/686] Velocity offset {Delta}V between the [OIII]5007 peaks in the SDSS spectrum. ((unassigned);phys.veloc.orbital;arith.diff;spect.index;instr.bandpass)
  e_dV km/s Error in dV ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  dXang arcsec Angular projected spatial offset between the two [OIII]5007 emission features on the sky. ((unassigned);phys.veloc.orbital;arith.diff;em.radio.6-12GHz;instr.background)
  e_dXang arcsec Error in dXang (phot.mag.bol;stat.error.sys;arith.factor;time.age;meta.main)
  dXkpc kpc Physical projected spatial offset (in kpc/h70) ((unassigned);phys.veloc.orbital;arith.diff;em.UV.10-50nm)
  e_dXkpc kpc Error in dXkpc ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  Em (char) [ce] Physical extent of double AGN emission features in 2D spectrum: compact or extended. ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  PA deg [0/180] Position angle between the two [OIII]5007 emission features on the sky (East of North) ((unassigned);(unassigned);(unassigned);instr.spect;time.period)
  e_PA deg Error in PA and dPA ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  dPA deg [0/90] Angle with major axis (Note 5)   ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)
  ell   [0/1] Ellipticity ((unassigned);(unassigned);(unassigned);phys.mol.dissociation;meta.main)
  Oobs (char) Other published observation(s) (Note 6)   ((unassigned);(unassigned);(unassigned);pos.eq.dec;stat.median)
  Ref (char) Reference(s) (Note 7)   ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;€?**ucdid=0**?)
  _RA deg Positions from SDSS names (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  _DE deg Positions from SDSS names (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

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  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846452853 Where phase=3 and catid=17530042
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR405862.err (2026-10-27T21:47:31)
-3
-source=J/ApJ/753/42
-ref=VIZ6ae11bf463166
elapse time 2