Detection of new sources of methanol emission at 95 GHz with the Mopra telescope

Details Detection of new sources of methanol emission at 95 GHz with the Mopra telescope Detection of new sources of methanol emission at 95 GHz with the Mopra telescope

2000-03-15

arxiv.org/abs/astro-ph/0003207v1

Mon.Not.Roy.Astron.Soc. 317 (2000) 315

Astronomy and Astrophysics

Astrophysics

Accepted for publication in MNRAS, 20 pages, 11 figures

Scientific paper

10.1046/j.1365-8711.2000.03518.x

A southern hemisphere survey of methanol emission sources has been carried out using the ATNF Mopra millimetre telescope. 85 sources, the majority of them masers, have been detected in the 8(0)-7(1)A+ transition of methanol at 95 GHz. Together with a similar northern hemisphere survey this completes the search for 95-GHz methanol emission from the Galactic Plane. The previously found correlation between intensity of methanol emission at 44 and 95 GHz is confirmed here with the larger sample of sources. The results of LVG statistical equilibrium calculations confirm the classification of these sources as class I methanol masers pumped through collisional excitation.

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