Detection of a nebula surrounding the O5 star RWT 152

Details Detection of a nebula surrounding the O5 star RWT 152 Detection of a nebula surrounding the O5 star RWT 152

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...139..230p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 139, no. 1, Oct. 1984, p. 230-232. Research supported by the Natural Sciences

Astronomy and Astrophysics

Astrophysics

5

Hertzsprung-Russell Diagram, O Stars, Planetary Nebulae, Stellar Magnitude, Asymptotic Giant Branch Stars, B Stars, Stellar Luminosity

Scientific paper

A small, low surface brightness planetary nebula has been found surrounding the O5 star RWT 152. Application of the Shklovsky distance determination technique yields a distance d equal to or less than 6.5 kpc. The derived distance favors a scenario in which RWT 152 is a low-mass post-AGB star, but disagrees with the hypothesis that this star is a massive main sequence star at R approximately equal to 50 kpc in the galactic halo.

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