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/678/635
  Spectroscopy of quasar binary candidates (Myers+, 2008)
ReadMe+ftp
2008ApJ...678..635M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/678/635/binQSO(c)DR4 KDE binary quasars (tables 1 to 4 of the paper) (54 rows)
2.J/ApJ/678/635/table5(c)Previously identified DR4 KDE binary quasar candidates with 3"≤Δθ<6" (46 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)P (char) Status of pair: 1 for candidates with one member observed (table 1), c for confirmed binary quasars (table 2), p for confirmed projected pairs (table 3), a for ambiguous pairs (table 4) (meta.code)
   (ALL)SDSS (char) SDSS designation (JHHMMSS.ss+DDMMSS.s or JHHMM+DDMMA) (meta.id;meta.main)
   (ALL)gmag mag g-band magnitude not corrected for Galactic extinction (phot.mag;em.opt.B)
   (ALL)zlow  Lowest extent of photometric redshift range (src.redshift.phot)
   (ALL)zpeak  Peak of photometric redshift range (src.redshift.phot)
   (ALL)zhigh  Highest extent of photometric redshift range (src.redshift.phot)
   (ALL)pr(z)  probability of the true redshift lying in this range (stat.fit.goodness)
  (1)zSDSS  (n) SDSS spectroscopic redshift (Note 1)   (src.redshift)
  (1)n_z (char) [*NFPO] Note on z (Note 2)   (meta.note)
   (ALL)z  (n) Spectroscopic redshift from KPNO data (Note 1)   (src.redshift)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)u_z (char) [D?] when redshift is based on a single emission line (Note 3)   (meta.code.error;src.redshift)
   (ALL)chi2  χ2 color: each pair's color similarity statistic (Note 4)   (stat.fit.chi2)
  (1)f_Dphi (char) [*] Possible lens (Note 5)   (meta.code)
   (ALL)Dphi arcsec Angular pair separation (pos.angDistance)
   (ALL)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
   (ALL)Sloan (char) Display the SDSS data for this quasar (meta.ref.url)
   (ALL)DR7 (char) Display the details of the photometry in SDSS-DR7 (Cat. II/294) (meta.ref.url)
   (ALL)RAJ2000 "h:m:s" (i) Hour of right ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Degree of declination (J2000) (pos.eq.dec;meta.main)
  (2)oc (char) Object categories (Note 1)   (src.class)
  (2)Rem (char) [*mchf] Remark on object (Note 3)   (meta.note)
  (2)f_z (char) [SIDio] Flag on redshifts (Note 4)   (meta.code)
  (2)NED (char) ask the NED data-base about this object

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
→ Cite/acknowledge VizieR catalogue
→ Rules of usage of VizieR data

© UDS/CNRS

Contact