The chemical composition of the cool white dwarf LP 701-29

Details The chemical composition of the cool white dwarf LP 701-29 The chemical composition of the cool white dwarf LP 701-29

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...305..863k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 305, June 15, 1986, p. 863-866. NASA-supported research.

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Abundance, Chemical Composition, Cool Stars, Stellar Composition, Stellar Spectra, White Dwarf Stars, Computational Astrophysics, Helium, Metallicity, Spectrum Analysis

Scientific paper

The authors present new observations and a new synthetic spectrum of the cool white dwarf LP 701-29. The analysis suggests that the atmosphere of this star is helium dominated, with enhanced metal abundances compared to the usual abundances of white dwarfs. The best fit is achieved with an effective temperature of 4500K and an abundance of heavy elements of the order 10-2 of the solar ratio of metals to helium.

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