A survey of infrared stars and planetary nebulae for circumstellar OH emission

Details A survey of infrared stars and planetary nebulae for circumstellar OH emission A survey of infrared stars and planetary nebulae for circumstellar OH emission

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979aj.....84..345s&link_type=abstract

Astronomical Journal, vol. 84, Mar. 1979, p. 345-355. Research supported by the John S. Guggenheim Memorial Foundation

Astronomy and Astrophysics

Astronomy

18

Hydroxyl Emission, Infrared Stars, Planetary Nebulae, Radio Astronomy, Stellar Envelopes, Late Stars, Water Masers

Scientific paper

The 1000-ft Arecibo antenna was used to survey a total of 76 late-type stars, IRC and CRL infrared sources, and planetary nebulae in the 1612-, 1665-, and 1667-MHz lines of the OH molecule. OH was detected for the first time in eight objects, most of which are cool, evolved, giant stars. No planetary nebulae were detected nor were any stars previously classified or suggested to be either carbon-rich or S-type, including, for example, CRL 618, IRC+10216, BD 30 deg 3639, Chi Cyg, FG Sge, CRL 2688, CRL 3068, NGC 6572, and CRL 3099. High signal-to-noise spectra were obtained for some known OH maser stars such as NML Tau and IRC+10011.

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