Computer Science
Scientific paper
Apr 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atnf.prop.1509b&link_type=abstract
ATNF proposal C1750, Semester: April, 2008
Computer Science
Galactic, Atca
Scientific paper
We request 60 hours of ATCA time to obtain sub-arcsecond positions for 118 water masers that we have detected towards 1.2 mm dust clumps using the Mount Pleasant radio telescope. We will use the sub-arcsecond positions obtained for the water masers to test and further refine the model of Breen et al. (2007). Modelling the presence/absence of the water masers using the properties of the 1.2 mm dust clumps provides a unique opportunity to constrain the mass range of the stars that the water masers are associated with. The pointing accuracy of the Mount Pleasant radio observations are approximately 0.5 arcminutes which is insufficient to meaningfully compare the locations of the water masers with infrared data for the regions as well as the positions of the 1.2 mm dust clumps, towards which the observations were targeted. The Mt Pleasant search was been directed towards 404 1.2 mm dust clumps yielding approximately 240 water maser detections (of which accurate positions for 122 sources were obtained in the 2007OCTS semester, taken from the literature or derived from archived data). These observations will complete the project.
Breen Shari
Caswell James
Ellingsen Simon
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