The detection of CO in a proto-planetary nebula close to the Galactic center

Details The detection of CO in a proto-planetary nebula close to the Galactic center The detection of CO in a proto-planetary nebula close to the Galactic center

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...206l..34m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 206, no. 2, Nov. 1988, p. L34-L36.

Astronomy and Astrophysics

Astrophysics

9

Carbon Monoxide, Carbon Stars, Cosmic Gases, Infrared Stars, Planetary Nebulae, Abundance, Brightness Temperature, Hydroxyl Emission, Signal To Noise Ratios, Stellar Envelopes, Stellar Evolution

Scientific paper

The detection of the J = 1 - 0 and 2 - 1 lines of CO toward the OH emitting proto planetary nebula OH 0.9+1.3 is reported. This is the first time that CO emission from a stellar object as far as the Galactic center has been observed. The CO (2 - 1) line is spatially unresolved when observed with a 13" beam. From the CO data, the mass loss rate is determined to be 3×10-5M_sun;yr-1. This value agrees reasonably well with the outflow rate determined from OH. Perspectives for future work are discussed.

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