An upper limit to the hydroxyl abundance in the circumstellar envelope of IRC + 10216

Details An upper limit to the hydroxyl abundance in the circumstellar envelope of IRC + 10216 An upper limit to the hydroxyl abundance in the circumstellar envelope of IRC + 10216

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.254....7a&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 254, Jan. 1, 1992, p. 7, 8.

Astronomy and Astrophysics

Astronomy

1

Abundance, Carbon Stars, Hydroxyl Radicals, Photodissociation, Stellar Envelopes, Carbon Monoxide, Interstellar Chemistry, Interstellar Matter, Radio Emission

Scientific paper

Thermal OH emission from IRC + 10216 in the 1665- and 1667-MHz lines has
been searched for. No emission was detected, yielding an upper limit for
the OH abundance in the envelope. Within the photodissociation region
where OH is expected to occur, OH/CO is less than 2.7 x 10 exp -3.

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