Stars of type MS with evidence of white dwarf companions

Details Stars of type MS with evidence of white dwarf companions Stars of type MS with evidence of white dwarf companions

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.263..117p&link_type=abstract

In ESA Proceedings of an International Symposium on New Insights in Astrophysics. Eight Years of UV Astronomy with IUE p 117-12

Astronomy and Astrophysics

Astrophysics

12

Companion Stars, Iue, Main Sequence Stars, Stellar Spectra, White Dwarf Stars, Mass Transfer, Stellar Mass, Ultraviolet Spectra

Scientific paper

A report is presented on preliminary results of a search for white dwarf companions of MS-type stars. The overendowments of these stars in typical s-process nuclides suggests that they, like the Ba II stars, may owe their peculiar compositions to earlier mass transfer. Short-wavelength IUE spectra show striking emission line variability in HD 35155, HD 61913, and 4 Ori. HD 35155 and 4 Ori show evidence of white dwarf companions.

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