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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

  HI-bearing ultra-diffuse ALFALFA galaxies (Leisman+, 2017)
Post annotation
1.J/ApJ/842/133/table1Properties of HI-bearing ultra-diffuse ALFALFA sources (HUDS) (115 rows)

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   [102791/749488] Arecibo General Catalog ID (;meta.main)
  RAJ2000 deg (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  cz km/s [1796/8416] Recessional velocity (phys.veloc)
  W50 km/s [19/215] Width of the HI line measured at the 50% flux level, corrected for channel broadening (spect.line.width;em.line.HI)
  e_W50 km/s [2/59] W50 error (stat.error)
  SdV [0.3/3.5] HI line flux density (phot.flux)
  e_SdV [0.02/0.1] Flux density error (stat.error)
  Dist Mpc [28/120] Distance from ALFALFA flow model (Note 1)   (pos.distance;pos.heliocentric)
  logMHI [Msun] [7.9/9.5] HI mass (phys.mass)

ALL cols
 (i)indexed column
  e_logMHI [Msun] [0.05/0.2] HI mass error (Note 1)   (stat.error)
  mug0 mag/arcsec2 [23/25.4] g-band central surface brightness (Note 2)   (
  e_mug0 mag/arcsec2 [0.1/0.4] g-band central SB error (stat.error)
  rh kpc [1.6/8] Half light radius (phys)
  e_rh kpc [0.2/3.3] Half light radius error (Note 1)   (stat.error)
  gMAG mag [-17.1/-13.9] g-band absolute magnitude (Note 3)   (phys.magAbs)
  e_gMAG mag [0.3/1.1] gMAG error (Note 1)   (stat.error)
  g-r mag [-0.2/0.9] g minus r color index (Note 2)   (phot.color;em.opt.B;em.opt.R)
  e_g-r mag [0.1/2] g-r color error (stat.error;phot.color;em.opt.B)
  Ag mag [0.05/0.8] g band galactic extinction (Note 4)   (
  Ar mag [0.03/0.6] r band galactic extinction (Note 4)   (
  Set (char) Broad (B) or Restrictive (R) Sample (meta.code)
  H11  (n)Display ALFALFA data from Haynes+, 2011, J/AJ/142/170 within 30" (meta.ref.url)
  Sloan  Display the online SDSS data for the nearest object (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.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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