OH maser emission from IRAS sources Virtual Observatory Resource

Authors
  1. Palla F.
  2. Codella C.
  3. Valdettaro R.
  4. Baffa C.
  5. Published by
    CDS
Abstract

A high-sensitivity search for water maser emission at 22.2 GHz has been performed on a sample of 91 IRAS point sources at high-latitudes. The aim of the survey is to verify if these clouds are capable of star formation as indicated by the presence of water masers. The sample is based on the recent work of Magnani et al. (1995ApJS...96..159M) who have identified 192 infrared objects from the IRAS Faint Source Survey possibly associated with translucent clouds at galactic latitudes |b|>=30{deg}. These IRAS sources have far-infrared colours typical of young stellar objects and pre-main-sequence stars and thus provide a starting list for further studies about their actual nature. H_2_O maser emission is a good diagnostic of the presence of dense gas and of recent star formation. We did not find water maser emission at a level of 0.2-0.5Jy (3{sigma}) in any of the 91 objects. The negative result indicates that these high-latitude sources do not represent potential sites of star formation, consistent with the fact that most high-latitude molecular clouds do not appear gravitationally bound.

Keywords
  1. infrared-sources
  2. astrophysical-masers
  3. radio-astronomy
Bibliographic source Bibcode
1997A&A...327..755P
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/327/755
IVOA Identifier IVOID
ivo://CDS.VizieR/J/A+A/327/755
Document Object Identifer DOI
doi:10.26093/cds/vizier.33270755

Access

Web browser access HTML
http://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/327/755
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/327/755
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/327/755
IVOA Table Access TAP
http://tapvizier.cds.unistra.fr/TAPVizieR/tap
Run SQL-like queries with TAP-enabled clients (e.g., TOPCAT).
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
http://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/327/755/table1?
https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/327/755/table1?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/327/755/table1?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
http://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/327/755/table2?
https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/327/755/table2?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/327/755/table2?

History

1997-12-09T18:07:15Z
Resource record created
1997-12-09T18:07:15Z
Created
2013-02-27T06:33:59Z
Updated

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr