UV observations of V348 SGR

Physics

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Sagittarius Constellation, Ultraviolet Spectra, Variable Stars, Iue, R Coronae Borealis Stars, Stellar Evolution, Stellar Models, Stellar Spectrophotometry, Stellar Structure

Scientific paper

The IUE UV observations of V348 Sgr are reported together with contemporaneous ground based spectroscopic and photometric observations. The data favor a model that includes a B0-B1 central star with high C, He, N, O abundance in the normal stage at maximum light. The possibility of V348 Sgr belonging to the evolutionary sequence of R CrB stars is also considered. Absolute visual magnitude and temperature estimates support this hypothesis.

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