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A Southern Hemisphere Ammonia Survey

Published online by Cambridge University Press:  25 April 2016

W. L. Peters ,
J. R. Forster ,
F. F. Gardner ,
J. B. Whiteoak  and
T. B. H. Kuiper
W. L. Peters
Affiliation:
Mount Stomlo & Siding Spring Observatories, ANU, Canberra
J. R. Forster
Affiliation:
Division of Radiophysics, CSIRO, Sydney
F. F. Gardner
Affiliation:
Division of Radiophysics, CSIRO, Sydney
J. B. Whiteoak
Affiliation:
Division of Radiophysics, CSIRO, Sydney
T. B. H. Kuiper
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, USA
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Abstract

A spectral line survey for interstellar NH3 is being carried out using the 64-m telescopes at Parkes and Tidbinbilla. Both telescopes are equipped with K-band maser receivers yielding system temperatures below 100 K. The preliminary survey is being made with the Parkes antenna (beam = 1.35 arcmin), with follow-up mapping of the more interesting sources at Tidbinbilla (beam = 0.9 arcmin). The selected sources have in general been HII regions from the H2CO surveys made at Parkes. Statistical results from initial observations of the (1, 1), (2, 2), and (3, 3) lines in the preliminary survey are presented.

Information

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 6 , Issue 4 , 1986 , pp. 504 - 507
Copyright
Copyright © Astronomical Society of Australia 1985

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