Coordinated observations of interacting peculiar red giant binaries, 1

Details Coordinated observations of interacting peculiar red giant binaries, 1 Coordinated observations of interacting peculiar red giant binaries, 1

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995csc..reptq....a&link_type=abstract

Technical Report, Computer Sciences Corp. Lanham, MD United States Astronomy Programs.

Astronomy and Astrophysics

Astronomy

Red Giant Stars, Variable Stars, Peculiar Stars, Binary Stars, Ultraviolet Astronomy, Stellar Spectrophotometry, Ultraviolet Spectra, Iue, Mass Transfer, Stellar Mass Accretion, S Stars

Scientific paper

IUE observations were begun for a two-year program to monitor the UV variability of three interacting peculiar red giant (PRG) binaries, HD 59643 (C6,2), HD 35155 (S3/2), and HR 1105 (S3.5/2.5). All of these systems were suspected to involve accretion of material from the PRG to a white-dwarf secondary, based mainly on previous IUE investigations. From our earlier surveys of PRG's, they were primary candidates to test the hypothesis that Tc-poor PRG's are formed as a result of mass transfer from a secondary component rather than from internal thermal pulsing while on the asymptotic red giant branch.

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