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VizieR

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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJ/768/77
  Ultra-compact high velocity clouds from ALFALFA (Adams+, 2013)
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2013ApJ...768...77A
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Post annotation 		img(gal)
1.J/ApJ/768/77/uchvcALFALFA ultra-compact high velocity clouds (UCHVCs) in the {alpha}.40 survey and inferred cloud properties (tables 1 and 3) (59 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);(unassigned);(unassigned);phys.veloc)
  HVC (char) HVC designation (LLL.ll+BB.bb+Vlsr) (Note G1)   ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  f_HVC (char) [sabc, ] Flag on source (Note 1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  AGC  Arecibo General Catalog number (Note 2)   ((unassigned);meta.version;arith.diff;spect.line.veloc)
  RAJ2000 "h:m:s" Hour of right ascension (J2000) (Note 3)   ((unassigned);meta.version;arith.diff;(unassigned);arith)
  DEJ2000 "d:m:s" Degree of declination (J2000) (Note 3)   ((unassigned);stat.Fourier.amplitude;arith.factor;(unassigned);arith)
  cz km/s [-461/323] Heliocentric cz ((unassigned);(unassigned);(unassigned);spect.index;arith.diff;meta.main)
  Vlsr km/s [-454/327] LSR velocity (assumed solar motion of 20km/s toward l=57°, b=25°) ((unassigned);em.line;arith.grad;spect.index;(unassigned);(unassigned);meta.main)
  Vgsr km/s [-282/298] Velocity in the Galactic standard of rest frame (GSR; Vgsr=Vlsr+225sinlcosb) ((unassigned);meta.version;arith.diff;spect.index;#D TeX(env) arg. undefined#ifference between two quantities described by the same UCD)
  VLG km/s [-294/264] Velocity with respect to the Local Group (LG) reference (Note 4)   ((unassigned);meta.version;arith.diff;phys.veloc.dispersion;spect.index;#M TeX(env) arg. undefined#ain value)
  W50 km/s [15/62] HI line FWHM (W50) ((unassigned);(unassigned);(unassigned);phys.atmol.element;meta.main)

ALL cols		    
 (i)indexed column
  e_W50 km/s [1/15] W50 uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  a arcmin [4/29] Estimated cloud major diameter (Note 5)   ((unassigned);meta.version;arith.diff;time.period.rotation)
  b arcmin [3/16] Estimated cloud minor diameter (Note 5)   ((unassigned);meta.version;arith.diff;time.period.rotation)
  S21 Jy.km/s [0.2/8.6] 21cm integrated flux density ((unassigned);meta.version;arith.diff;meta.abstract)
  S/N   [4/44] Signal-to-noise ratio of the line (Note 6)   ((unassigned);(unassigned);(unassigned);meta.abstract;phys.angMomentum;meta.main)
  N3   [0/5] The number of {alpha}.40 HVC neighbors within D=3° (for f=0.2°/km/s) ((unassigned);meta.version;arith.diff;src.var)
  N10   [0/42] The number of {alpha}.40 HVC neighbors within D=10° (for f=0.2°/km/s) ((unassigned);em.line;arith.grad;src.var)
  Notes (char) Notes (Note 7)   (phot.mag.reddFree;pos.parallax.trig;arith.grad;phys.veloc.orbital)
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  NED  ask the NED data-base about this object (phot.color;(unassigned);arith.grad;pos.geocentric)
  DHI kpc [1.2/6.2] HI diameter at d=1Mpc (Equation 9) ((unassigned);(unassigned);(unassigned);em.UV.10-50nm)
  nHI [cm-3] [-3.7/-2.1] Log of the mean atomic HI density at d=1Mpc (Equation 5) ((unassigned);meta.version;arith.diff;(unassigned))
  logNHI [cm-2] [18.3/19.3] Log of the mean HI column density (Equation 6) (src.class.struct;pos.precess.ra;arith.factor;(unassigned);spect.dopplerVeloc.radio;meta.main)
  logMHI [Msun] [5/6.3] Log of the HI mass at d=1Mpc (Equation 7) (stat.fit.goodness;pos.wcs.crval;arith.grad;(unassigned))
  logMdyn [Msun] [6.8/8.4] Log of the indicative dynamical mass within DHI at d=1Mpc (Equation 8) ((unassigned);meta.version;arith.diff;(unassigned))

ALL cols		    
 (i)indexed column
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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846551447 Where phase=3 and catid=17680077
**** 
**** --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/VR3606043.err (2026-10-29T01:10:46)
-3
-source=J/ApJ/768/77/uchvc
-ref=VIZ6ae29d1737061b
elapse time 2