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

  Milky Way molecular clouds from 12CO (Miville-Deschenes+, 2017)
Post annotation
1.J/ApJ/834/57/table1The molecular clouds catalog (8107 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)
  Cloud   [1/8107] Cloud number (;meta.main)
  Ncomp   [5/600] Number of Gaussian components (meta.number)
  Npix   [5/444] Number of pixels on the sky (meta.number)
  Area deg2 [0.07/7] Angular area (phys.angArea)
  GLON deg [-179/180] Baricentric Galactic longitude (pos.galactic.lon)
  Sigb deg [0.1/1.5] Standard deviation in GLON (σl) (phys.angSize;src)
  GLAT deg [-5.2/5] Baricentric Galactic latitude (
  Sigl deg [0.1/1.2] Standard deviation in GLAT (σb) (phys.angSize)
  theta deg (n) Angle with respect to b=0 (pos.posAng)
  WCO [2/13929] Integrated CO emission (phot.flux)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  NH2 cm-2 Average column density (meta.number)
  Sigma Msun/pc2 [1.8/739] Surface density (
  Vcent km/s [-188/185] Centroid velocity (spect.dopplerVeloc)
  SigV km/s [0.09/17] Velocity standard deviation (σV) (phys.veloc.dispersion)
  Rmax deg [0.1/3] Largest eigenvalue of the inertia matrix (phys.angSize)
  Rmin deg [0.1/1.5] Smallest eigenvalue of the inertia matrix (phys.angSize;src)
  Rang deg [0.1/1.7] Angular size (phys.angSize)
  Rgal kpc [0.003/97] Galacto-centric radius (phys.size.radius)
  INF  Near or far distance flag (0=near; 1=far) (Note 1)   (meta.code)
  Dnear kpc [0.001/88.5] Near kinematic distance (pos.distance;pos.heliocentric)
  Dfar kpc [0.01/88.5] Far kinematic distance (pos.distance;pos.heliocentric)
  znear kpc [-2.8/1.6] Near distance to Galactic mid-plane (pos.distance;pos.galactocentric)
  zfar kpc [-2.8/1.6] Far distance to Galactic mid-plane (pos.distance;pos.galactocentric)
  Snear pc2 [/744960] Near derived physical area (phys.area)
  Sfar pc2 [0.003/744960] Far derived physical area (phys.area)
  Rnear pc [0.008/470] Near derived physical size (phys.angSize)
  Rfar pc [0.03/470] Far derived physical size (phys.angSize)
  Mnear Msun [0.0003/] Near derived mass (phys.mass)
  Mfar Msun [0.01/] Far derived mass (phys.mass)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
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