Properties of central stars in 13 faint, extended planetary nebulae

Details Properties of central stars in 13 faint, extended planetary nebulae Properties of central stars in 13 faint, extended planetary nebulae

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....98.2159k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 98, Dec. 1989, p. 2159-2162. Research supported by the William and Flora Hewlett Fou

Astronomy and Astrophysics

Astronomy

6

Planetary Nebulae, Stellar Evolution, Stellar Luminosity, Stellar Temperature, Charge Coupled Devices, Stellar Mass, White Dwarf Stars

Scientific paper

Temperatures and luminosities for 13 faint central stars in extended planetary nebulae have been derived and placed on the theoretical log L-log T diagram to infer their masses. Despite the initial expectation of finding predominantly higher-mass central stars, it was found rather that the masses cover almost the entire central star range, from less than 0.55 to about 1.1 solar mass and have a mean value of about 0.64 + or - 0.16 solar mass. This value is not significantly different from the average of 0.58 solar mass typically found for the mass distribution both of planetary nebula central stars and of white dwarfs.

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