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The 6-GHz methanol multibeam maser catalogue - II. Galactic longitudes 6° to 20 °


Green, JA and Caswell, JL and Fuller, GA and Avison, A and Breen, SL and Ellingsen, SP and Gray, MD and Pestalozzi, M and Quinn, L and Thompson, MA and Voronkov, MA, The 6-GHz methanol multibeam maser catalogue - II. Galactic longitudes 6 to 20 , Monthly Notices of the Royal Astronomical Society, 409, (3) pp. 913-935. ISSN 0035-8711 (2010) [Refereed Article]

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DOI: doi:10.1111/j.1365-2966.2010.17376.x


We present the second portion of an unbiased survey of the Galactic plane for 6668-MHz methanol masers. This section of the survey spans the longitude range 6◦ to 20◦. We report the detection of 119 maser sources, of which 42 are new discoveries. The masers are tightly constrained to the Galactic plane, with only four outside a latitude range of±1◦. This longitude region includes the brightest known 6668-MHz methanol maser, 9.621+0.196, as well as the two brightest newly discovered sources in the southern survey as a whole. We list all the sources associated with the 3-kpc arms within ±15◦ longitude and consider further candidates beyond 15◦ longitude. We identify three new sources associated with the Galactic bar and comment on the density of masers in relation to the bar orientation.

Item Details

Item Type:Refereed Article
Keywords:masers – surveys – stars: formation – ISM: molecules – Galaxy: structure
Research Division:Physical Sciences
Research Group:Astronomical sciences
Research Field:Galactic astronomy
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the physical sciences
UTAS Author:Breen, SL (Dr Shari Breen)
UTAS Author:Ellingsen, SP (Professor Simon Ellingsen)
ID Code:66175
Year Published:2010
Web of Science® Times Cited:125
Deposited By:Physics
Deposited On:2011-01-06
Last Modified:2011-03-24

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