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High-mass Star Formation in the Near and Far 3 kpc Arms


Green, JA and McClure-Griffiths, NM and Caswell, JL and Ellingsen, SP and Fuller, GA and Quinn, L and Voronkov, MA, High-mass Star Formation in the Near and Far 3 kpc Arms, The Astrophysical Journal Letters, 696, (1) pp. L156-L158. ISSN 0004-637X (2009) [Refereed Article]

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Copyright 2009 The American Astronomical Society

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DOI: doi:10.1088/0004-637X/696/2/L156


We report on the presence of 6.7 GHz methanol masers, known tracers of high-mass star formation, in the 3 kpc arms of the inner Galaxy. We present 49 detections from the Methanol Multibeam Survey, the largest Galactic plane survey for 6.7 GHz methanol masers, which coincide in longitude, latitude, and velocity with the recently discovered far-side 3 kpc arm and the well-known near-side 3 kpc arm. The presence of these masers is significant evidence for high-mass star formation actively occurring in both 3 kpc arms.

Item Details

Item Type:Refereed Article
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:Ellingsen, SP (Professor Simon Ellingsen)
ID Code:57518
Year Published:2009
Web of Science® Times Cited:23
Deposited By:Physics
Deposited On:2009-07-23
Last Modified:2010-03-25

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