Discovery of strong maser emission from HCN in IRC+10216

Details Discovery of strong maser emission from HCN in IRC+10216 Discovery of strong maser emission from HCN in IRC+10216

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...218l..20l&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 218, no. 1-2, July 1989, p. L20-L22.

Astronomy and Astrophysics

Astrophysics

33

Masers, Millimeter Waves, Radio Emission, Stellar Envelopes, Electron Transitions, Molecular Rotation, Population Inversion, Vibrational Spectra

Scientific paper

Strong emission from the (0,1/1c/,0) J = 2-1 line in the circumstellar envelope of IRC+10216. This emission probably results from maser amplification was discovered. Observations of all J = 2-1 and J = 3-2 rotational transitions of the fundamental and two lowest-lying vibrational states of HCN in this source are presented. Suggestions are given for possible pumping mechanisms.

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