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J/ApJ/768/77
  Ultra-compact high velocity clouds from ALFALFA (Adams+, 2013)
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1.J/ApJ/768/77/uchvcALFALFA ultra-compact high velocity clouds (UCHVCs) in the α.40 survey and inferred cloud properties (tables 1 and 3) (59 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)
  HVC (char) HVC designation (LLL.ll+BB.bb+Vlsr) (Note G1)   (meta.id;meta.main)
  f_HVC (char) [sabc, ] Flag on source (Note 1)   (meta.code)
  AGC  Arecibo General Catalog number (Note 2)   (meta.id)
  RAJ2000 "h:m:s" (i) Hour of right ascension (J2000) (Note 3)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of declination (J2000) (Note 3)   (pos.eq.dec;meta.main)
  cz km/s [-461/323] Heliocentric cz (phys.veloc;pos.heliocentric)
  Vlsr km/s [-454/327] LSR velocity (assumed solar motion of 20km/s toward l=57°, b=25°) (phys.veloc;src.orbital.meanMotion;pos.lsr)
  Vgsr km/s [-282/298] Velocity in the Galactic standard of rest frame (GSR; Vgsr=Vlsr+225sinlcosb) (phys.veloc;pos.galactic)
  VLG km/s [-294/264] Velocity with respect to the Local Group (LG) reference (Note 4)   (meta.ref;phys.veloc;pos.frame)
  W50 km/s [15/62] HI line FWHM (W50) (spect.line.width)

ALL cols
    
 (i)indexed column
  e_W50 km/s [1/15] W50 uncertainty (stat.error)
  a arcmin [4/29] Estimated cloud major diameter (Note 5)   (phys.angSize)
  b arcmin [3/16] Estimated cloud minor diameter (Note 5)   (phys.angSize)
  S21 Jy.km/s [0.2/8.6] 21cm integrated flux density (phot.flux)
  S/N   [4/44] Signal-to-noise ratio of the line (Note 6)   (stat.snr;spect.line)
  N3   [0/5] The number of α.40 HVC neighbors within D=3° (for f=0.2°/km/s) (meta.number)
  N10   [0/42] The number of α.40 HVC neighbors within D=10° (for f=0.2°/km/s) (meta.number)
  Notes (char) Notes (Note 7)   (meta.note)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  NED  ask the NED data-base about this object (meta.ref.url)
  DHI kpc [1.2/6.2] HI diameter at d=1Mpc (Equation 9) (pos.distance)
  nHI [cm-3] [-3.7/-2.1] Log of the mean atomic HI density at d=1Mpc (Equation 5) (phys.density)
  logNHI [cm-2] [18.3/19.3] Log of the mean HI column density (Equation 6) (phys.columnDensity;stat.mean)
  logMHI [Msun] [5/6.3] Log of the HI mass at d=1Mpc (Equation 7) (phys.mass)
  logMdyn [Msun] [6.8/8.4] Log of the indicative dynamical mass within DHI at d=1Mpc (Equation 8) (phys.mass)

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