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High velocity water maser emission from the Post-AGB star OH 009.1-0.4
A. J. Walsh, S. L. Breen, I. Bains +1
Observations of HO masers towards the post-AGB star and water fountain source OH 009.1--0.4 were made as part of HOPS (The HO southern galactic Plane Survey), with the Mopr…
Physical and chemical conditions in methanol maser selected hot-cores and UCHII regions
C. R. Purcell, S. N. Longmore, M. G. Burton +4
We present the results of a targeted 3-mm spectral line survey towards the eighty-three 6.67 GHz methanol maser selected star forming clumps observed by Purcell et al. 2006. In add…
The 6-GHz Multibeam Maser Survey I. Techniques
J. A. Green, J. L. Caswell, G. A. Fuller +22
A new 7-beam 6-7 GHz receiver has been built to survey the Galaxy and the Magellanic Clouds for newly forming high-mass stars that are pinpointed by strong methanol maser emission…
A Pilot Survey for the HO Southern Galactic Plane Survey (HOPS)
Andrew J. Walsh, Nadia Lo, Michael G. Burton +5
We describe observations with the Mopra radiotelescope designed to assess the feasibility of the HO maser southern Galactic plane survey (HOPS). We mapped two one-square-degree…
Cyanopolyynes and sulphur bearing species in hot cores: Chemical and line excitation models
J. F. Chapman, M. Wardle, T. J. Millar +2
We present results from a time dependent gas phase chemical model of a hot core based on the physical conditions of G305.2+0.2. While the cyanopolyyne HC_3N has been observed in ho…
Spectral imaging of the Sagittarius B2 region in multiple 3-mm molecular lines with the Mopra telescope
P. A. Jones, M. G. Burton, M. R. Cunningham +6
Using the Mopra telescope, we have undertaken a 3-mm spectral-line imaging survey of a 5 x 5 arcmin^2 area around Sgr B2. We covered almost the complete spectral the range from 81.…