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/ApJS/282/18
  Green Bank Ammonia Survey (GAS) DR2 (Pineda+, 2026)
ReadMe+ftp
2026ApJS..282...18P
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/282/18/table1(c)Observed regions, distances, and masses (26 rows)
2.J/ApJS/282/18/table8(c)NH3 core properties for selected regions (399 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Cloud (char) Cloud name (meta.id;meta.main)
   (ALL)Region (char) (i) Molecular cloud named substructure (as in Table 8) (obs.field)
  (1)Dist pc [126.6/813] Distance (pos.distance)
  (1)Area deg2 [0.01/0.39] Area (phys.angSize)
  (1)Mass Msun [8/3141] Total mass (Note 1)   (phys.mass)
  (1)Ref  (n) [1/8] Reference (Note 2)   (meta.ref;pos.frame)
  (1)Nc  (n)Number of NH3 cores within this region (link to Table 8) (meta.number)
  (1)SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  (1)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)GASID   [0/253] Dendrogram index within Region (Note 1)   (meta.id.part;meta.main)
  (2)RAJ2000 "h:m:s" (i) [3/22] Hour of right ascension (J2000) (pos.eq.ra;meta.main)
  (2)DEJ2000 "d:m:s" (i) Degree of declination (J2000) (pos.eq.dec;meta.main)
  (2)vLSR km/s (n) [-8.2/12.4] Mean local standard of rest velocity across core (phys.veloc;pos.lsr;stat.mean)
  (2)e_vLSR km/s (n) [0.009/3.2] One-sigma uncertainty in vLSR (stat.error;phys.veloc;pos.lsr)
  (2)Sigma km/s (n) [0.1/3.2] Mean velocity dispersion across core (phys.veloc.dispersion;stat.mean)
  (2)e_Sigma km/s (n) [0.005/3] One-sigma uncertainty in Sigma (stat.error;phys.veloc.dispersion;stat.mean)
  (2)Tex K (n) [2.86/10.64] Mean excitation temperature derived from NH3 (1,1) and (2,2) fits across core (phys.atmol.excitation;phys.temperature)
  (2)e_Tex K (n) [0/2.31] One-sigma uncertainty in Tex (stat.error;phys.atmol.excitation;phys.temperature)
  (2)Tkin K (n) [7.85/46.2] Mean kinetic temperature derived from NH3 (1,1) and (2,2) fits across core (phys.temperature;stat.mean)
  (2)e_Tkin K (n) [0/17.32] One-sigma uncertainty in Tkin (stat.error;phys.temperature;stat.mean)
  (2)logNNH3 cm-2 (n) [13.57/14.97] Mean of logarithm of NH3 column density across core (phys.columnDensity)
  (2)e_logNNH3 cm-2 (n) [0/0.42] One-sigma uncertainty in logNNH3 (stat.error;phys.columnDensity)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)sigth km/s (n) [0.16/0.41] Thermal line width of H2 given mean kinetic temperature of core (spect.line.width)
  (2)signth km/s (n) [0.07/3.2] Mean non-thermal component of line width given mean kinetic temperature of core (spect.line.width;stat.mean)
  (2)contID (char) ID of cross-matched continuum counterpart of core (Note 1)   (meta.id;spect.continuum)
  (2)contr pc [0.006/0.16] Radius of core as derived using continuum data (phys.size.radius;spect.continuum)
  (2)contM Msun [0/166] Mass of core as derived using continuum data (phys.mass)
  (2)alpha  (n) [0.16/9760] Virial parameter of core (phys.mass;arith.ratio)
  (2)CType (char) Core classification as starless, prestellar, or protostellar (src.class)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 0