Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995mnras.272l..31c&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 272, Issue 4, pp. L31-L34.
Astronomy and Astrophysics
Astronomy
8
Masers, Stars: Formation, Ism: Molecules, Galaxies: Ism, Magellanic Clouds, Radio Lines: Galaxies
Scientific paper
A maser at the 6.035-GHz transition of excited OH has been discovered in the Large Magellanic Cloud. It is the first extragalactic maser found at this transition, and is at the position of a previously known 1.665-GHz ground-state maser. It is stronger in the excited state than in the ground state, a characteristic shared by only six of the 78 similar excited-state OH masers detected in our Galaxy. An accurate position for the maser and a high-resolution continuum map have also been obtained. These show that the maser is 50 arcsec south-west of the peak of an H II region known optically as N160a (not towards N159 as was suggested from the ground-state maser discovery measurements); it is at the location of a 3-mJy continuum radio source, probably a weak H II region.
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