Statistics – Computation
Scientific paper
Apr 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.143..193w&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 143, no. 1, April 1988, p. 193-197.
Statistics
Computation
3
Black Body Radiation, Brown Dwarf Stars, Cosmic Dust, Infrared Radiation, Nuclear Astrophysics, Stellar Mass, White Dwarf Stars, Absorptivity, Computational Astrophysics, Hydrocarbons
Scientific paper
The evidence of Zuckerman and Becklin (1987) of a significant infrared excess in the white dwarf star G29-38 over the wavelength range 1.25-4.8 microns and their explanation of this excess as being emitted by a brown dwarf companion star are examined critically. Using the data points from Zuckerman and Becklin's published figure and table and the models representing, respectively, a brown dwarf and organic dust grains, it is shown that the observed infrared excess is better fitted by a model involving organic dust grains than by a brown-dwarf model.
Al-Mufti Shirwan
Hoyle Fiona
Wickramasinghe Chandra N.
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