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/AJ/160/271
  A catalog of ∼30000 galaxies with ALFALFA-SDSS (Durbala+, 2020)
ReadMe+ftp
2020AJ....160..271D
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/160/271/table1Basic optical properties of cross-listed objects in the ALFALFA-SDSS catalog (31501 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)
  AGC  (i) [1/749512] AGC catalog identifier (meta.id;meta.main)
  Flag   [0/3] Photometry flag (Note 1)   (meta.code.error)
  ObjID  Optical counterpart SDSS DR15 object identifier (meta.id.cross)
  RAJ2000 deg (i) [0.003/360] Right Ascension (J2000) (Note 2)   (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [-0.21/36.4] Declination (J2000) (Note 2)   (pos.eq.dec;meta.main)
  RVel km/s [-430/17823] HI profile midpoint heliocentric radial velocity (spect.dopplerVeloc;spect.line;pos.heliocentric)
  Dist Mpc [0.3/260] Distance from Haynes+, 2018, J/ApJ/861/49 (pos.distance)
  e_Dist Mpc [0/30.9] Uncertainty in Dist (stat.error)
  gext mag (n) [0.02/4.44] Foreground Galactic extinction in SDSS g band (Note 3)   (phys.absorption.gal)
  iext mag (n) [0.01/2.28] Foreground Galactic extinction in SDSS i band (Note 3)   (phys.absorption.gal)
  b/a  (n) [0.05/1] Axial ratio b/a from SDSS r band (phys.angSize;arith.ratio)
  e_b/a  (n) [0.01/865] Uncertainty in b/a (Note 4)   (stat.error)
  imag mag (n) [9.58/30.89] SDSS i band cmodel magnitude (phot.mag;em.opt.I)
  e_imag mag (n) [0.01/42134.68] Uncertainty in imag (Note 4)   (stat.error;phot.mag)
  Dprop (char) Derived properties (table 2) (meta.ref.url)
  Sloan  Display the online SDSS DR16 for the nearest object (meta.ref.url)

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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