A search for remnant planetary nebulae around hot sdO stars

Details A search for remnant planetary nebulae around hot sdO stars A search for remnant planetary nebulae around hot sdO stars

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97.1423k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, May 1989, p. 1423-1426. Research supported by William and Flora Hewlett Foundati

Astronomy and Astrophysics

Astronomy

18

Hot Stars, O Stars, Planetary Nebulae, Subdwarf Stars, Emission Spectra, Main Sequence Stars, Stellar Evolution, Stellar Spectrophotometry

Scientific paper

Spectroscopic and imaging searches for nebular emission associated with a sample of hot subdwarf O (sdO) stars have been carried out. Of 45 stars searched, no evidence of such nebulosity is found in 44. The single exception is RWT 152, around which a planetary nebula had been discovered previously. These negative results place constraints on the evolutionary history of these stars.

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