Milliarcsecond maps of 12 GHz methanol masers

Details Milliarcsecond maps of 12 GHz methanol masers Milliarcsecond maps of 12 GHz methanol masers

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.335..149n&link_type=abstract

Nature (ISSN 0028-0836), vol. 335, Sept. 8, 1988, p. 149-151.

Astronomy and Astrophysics

Astronomy

38

Astronomical Maps, Interstellar Masers, Methyl Alcohol, Star Formation, Accretion Disks, Hydroxyl Emission, Radio Jets (Astronomy), Very Long Base Interferometry

Scientific paper

Extremely strong methanol masers at 12 GHz have recently been discovered in sites of star formation. The authors report the first maps of these masers, which were obtained using a 275-km baseline radio-linked interferometer. The region occupied by methanol masers appears to have a similar extent to that of the well studied OH masers. Individual clusters appear more compact than their OH counterparts, and, in contrast to the OH, appear in several cases to be distributed along a line or curve, suggesting accretion disks, shock fronts, or jets. This suggests that the methanol masers require conditions different from those that foster OH masers, and their detailed distribution promises to cast further light on the kinematics of the star-forming gas. See also 131.209.

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