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HOPS: The H2O Southern Galactic Plane Survey

Published online by Cambridge University Press:  25 November 2011

A.J. Walsh
Affiliation:
Centre for Astronomy, James Cook University, Townsville, QLD, 4811, Australia
S.L. Breen
Affiliation:
School of Mathematics and Physics, University of Tasmania, GPO Box 252-37, Hobart 7001, TAS, Australia
T. Britton
Affiliation:
CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1701, Australia
K.J. Brooks
Affiliation:
CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1701, Australia
M.G. Burton
Affiliation:
School of Physics, University of NSW, NSW 2052, Australia
M.R. Cunningham
Affiliation:
School of Physics, University of NSW, NSW 2052, Australia
J.A. Green
Affiliation:
CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1701, Australia
L. Harvey-Smith
Affiliation:
CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1701, Australia
L. Hindson
Affiliation:
Centre for Astrophysics Research, Science and Technology Research Institute, University of Hertfordshire, Herts AL10 9AB, UK
M.G. Hoare
Affiliation:
School of Physics and Astronomy, University of Leeds, Leeds, LS2 9JT, UK
B. Indermuehle
Affiliation:
CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1701, Australia
P.A. Jones
Affiliation:
School of Physics, University of NSW, NSW 2052, Australia
N. Lo
Affiliation:
Departmento de Astronomía, Universidad de Chile, Camino El Observat orio 1515, Las Condes, Santiago, Casilla 36-D, Chile
S.N. Longmore
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
V. Lowe
Affiliation:
School of Physics, University of NSW, NSW 2052, Australia
C.J. Phillips
Affiliation:
CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1701, Australia
C.R. Purcell
Affiliation:
School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
M.A. Thompson
Affiliation:
Centre for Astrophysics Research, Science and Technology Research Institute, University of Hertfordshire, Herts AL10 9AB, UK
J.S. Urquhart
Affiliation:
CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1701, Australia
M.A. Voronkov
Affiliation:
CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1701, Australia
G.L. White
Affiliation:
Centre for Astronomy, James Cook University, Townsville, QLD, 4811, Australia
M. Whiting
Affiliation:
CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1701, Australia
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Abstract

Over the past 3 years, we have conducted a survey of 100 square degrees of the southern Galactic plane with the Mopra radiotelescope (HOPS). The survey includes observations of multiple spectral lines in the 12 mm band, with the most important being the water maser transition at 22.2 GHz and the non-metastable inversion transitions of ammonia. We report on initial results from HOPS, including the detection of 540 water masers, about two-thirds of which appear to be new detections. We also find widespread emission in the NH3 (1,1) line, as well as detec tions in the NH3 (2,2), (3,3), (6,6) and (9,9) lines.

Type
Research Article
Copyright
© EAS, EDP Sciences 2011

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References

Urquhart, J.S., Hoare, M.G., Purcell, C.R., et al., 2010, PASA, 27, 321 CrossRef
Voronkov, M.A., Walsh, A.J., Caswell, J.L., et al., 2011, MNRAS, in press
Walsh, A.J., Breen, S.L., Bains, I., & Vlemmings, W.H.T., 2009, MNRAS, 394, L70 CrossRef

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