Luminosities and masses for three central stars of planetary nebulae in the Magellanic Clouds from ultraviolet spectroscopy with the IUE

Details Luminosities and masses for three central stars of planetary nebulae in the Magellanic Clouds from ultraviolet spectroscopy with the IUE Luminosities and masses for three central stars of planetary nebulae in the Magellanic Clouds from ultraviolet spectroscopy with the IUE

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...262l..41s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 262, Nov. 15, 1982, p. L41-L46.

Astronomy and Astrophysics

Astronomy

24

Iue, Magellanic Clouds, Planetary Nebulae, Stellar Luminosity, Stellar Mass, Ultraviolet Spectroscopy, Astronomical Spectroscopy, Emission Spectra, Satellite Observation, Spaceborne Astronomy, Stellar Spectrophotometry, White Dwarf Stars

Scientific paper

Physical parameters of the central stars of the planetary nebulae (PN) P40, N2, and N5 are determined from UV observations by the IUE spacecraft and emission line-data. The observations took place on May 23 and 26, 1981. Derived properties, such as the H-beta, color excess, nebular hydrogen emission, helium emission, and stellar continuum emission, the stellar radius, surface gravity, Zanstra temperature, luminosity, absolute bolometric magnitude, apparent visual magnitude, mass, and Zanstra parameter for the three PN central stars are presented. All the masses were over one solar mass, suggesting a specific PN nuclei mass. The finding was corroborated by all luminosities exceeding the Eddington luminosity for a 0.6 solar mass star, which has previously been calculated for the white dwarf core of a PN.

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