VizieR

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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/ApJ/686/384
  12CO, 13CO, C18O survey of IRDCs (Du+, 2008)
ReadMe+ftp
2008ApJ...686..384D
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/686/384/irdcPhysical parameters (table 4) and coordinates (table 1) of the IRDCs (61 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);phys.veloc.orbital;arith.diff;phys.veloc)
  Seq  (i) Running sequence number ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  MSXDC (char) Source name (GLLL.ll+BB.bb) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  n_MSXDC (char) [ab] Adopted peak: first (a) or second (b) ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  GLON deg Galactic longitude coordinate ((unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  GLAT deg Galactic latitude coordinate (XXXXXXX)
  RAJ2000 "h:m:s" Hour of right ascension (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 "d:m:s" Degree of declination (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  Texc K (n) Excitation temperature (Note 2)   (src;phys.size;arith.factor;(unassigned))
  Dist kpc (n) Heliocentric distance (Note 3)   ((unassigned);(unassigned);(unassigned);em.UV.10-50nm)
  Size pc (n) Size (Note 4)   ((unassigned);(unassigned);(unassigned);(unassigned))
  tau13  (n) 13CO optical depth ((unassigned);(unassigned);(unassigned);phys.particle.alpha)
  NH2.13 10+22/cm2(n) H2 column density with 13CO (Note 5)   ((unassigned);(unassigned);(unassigned);(unassigned))
  nH2.13 cm-3 (n) H2 volume density with 13CO (Note 5)   ((unassigned);(unassigned);(unassigned);(unassigned))
  M13 Msun (n) Mass with 13CO (Note 5)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  tau18  (n) C18O optical depth (time.equinox;pos.wcs.crval;arith.grad;phys.particle.alpha)
  NH218 10+22/cm2(n) H2 column density with C18O (Note 5)   (phot.flux.density.sb;pos.parallax.trig;arith.factor;(unassigned))
  nH2.18 cm-3 (n) H2 volume density with C18O (Note 5)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  M18 Msun (n) Mass with C18O (Note 5)   (time.lifetime;(unassigned);arith.factor;(unassigned))
  S06  Display the corresponding MSX IRDC dark cloud candidates from Simon et al., 2006, Cat. J/ApJ/639/227 (obs.param;stat.covariance;arith.grad;pos.geocentric)

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  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846552424 Where phase=3 and catid=16860384
**** 
**** --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 
****error getting UCD 1095222231040 1020
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR3615328.err (2026-10-29T01:27:03)
-3
-source=J/ApJ/686/384/irdc
-ref=VIZ6ae2a0e7372a60
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