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A Pilot Survey for the H2O Southern Galactic Plane Survey

Published online by Cambridge University Press:  05 March 2013

Andrew J. Walsh ,
Nadia Lo ,
Michael G. Burton ,
Graeme L. White ,
Cormac R. Purcell ,
Steven N. Longmore ,
Chris J. Phillips  and
Kate J. Brooks
Andrew J. Walsh*
Affiliation:
Centre for Astronomy, James Cook University, Townsville, QLD 4811, Australia
Nadia Lo
Affiliation:
School of Physics, University of NSW, Sydney, NSW 2052, Australia Australia Telescope National Facility, CSIRO, PO Box 76, Epping, NSW 1710, Australia
Michael G. Burton
Affiliation:
School of Physics, University of NSW, Sydney, NSW 2052, Australia
Graeme L. White
Affiliation:
Centre for Astronomy, James Cook University, Townsville, QLD 4811, Australia
Cormac R. Purcell
Affiliation:
Alan Turing Building, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
Steven N. Longmore
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60, Garden Street, Cambridge, MA 02138, USA
Chris J. Phillips
Affiliation:
Australia Telescope National Facility, CSIRO, PO Box 76, Epping, NSW 1710, Australia
Kate J. Brooks
Affiliation:
Australia Telescope National Facility, CSIRO, PO Box 76, Epping, NSW 1710, Australia
*
FCorresponding author. Email: [email protected]
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Abstract

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We describe observations with the Mopra radiotelescope designed to assess the feasibility of the H2O Maser Southern Galactic Plane Survey. We mapped two one-square-degree regions along the Galactic plane using the new 12-mm receiver and the UNSW Mopra spectrometer. We covered the entire spectrum between 19.5 and 27.5 GHz using this setup with the main aim of finding out which spectral lines can be detected with a quick mapping survey. We report on detected emission from H2O masers, NH3 inversion transitions (1,1), (2,2) and (3,3), HC3N (3–2), as well as several radio recombination lines.

Keywords

maserssurveysstars: formationISM: moleculesGalaxy: structure
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 25 , Issue 2 , 2008 , pp. 105 - 113
Copyright
Copyright © Astronomical Society of Australia 2008

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