Two new OH emitting planetary nebulae

Details Two new OH emitting planetary nebulae Two new OH emitting planetary nebulae

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...177l..49p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 177, no. 1-2, May 1987, p. L49-L52.

Astronomy and Astrophysics

Astrophysics

34

Hydroxyl Emission, Infrared Stars, Planetary Nebulae, Continuous Spectra, Galactic Bulge, Radio Emission, Stellar Luminosity, Stellar Mass, Stellar Temperature

Scientific paper

A search for radio continuum emission from OH/IR stars has been made. Two stars were detected. These detections bring the total number of known objects in the transition phase between OH/IR star and planetary nebula to three. The two new objects do not have optical counterparts, but are strong infrared sources. Both objects lie in the galactic bulge and contain central stars of above average mass, low temperature and large radius. One has the lowest temperature and largest radius of any known central star. This star may be in rapid transition to a higher temperature. The ionized masses of both nebulae are determined.

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