The Far-Ultraviolet Spectrum of BD+60 2522

Details The Far-Ultraviolet Spectrum of BD+60 2522 The Far-Ultraviolet Spectrum of BD+60 2522

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.5307m&link_type=abstract

American Astronomical Society Meeting 205, #53.07; Bulletin of the American Astronomical Society, Vol. 36, p.1426

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Scientific paper

We present observations of the OIIIef star BD+60o 2522 obtained with the Far Ultraviolet Spectroscopic Telescope (FUSE). The star is responsible for powering the H ii region S162, and its wind has swept up some of the material within it into a spheroidal shell. We construct a detailed model for the star and its wind based on this spectrum and others in the literature. In particular, we focus on the P Cygni profile of the C iii 1175 Å.
Previous studies of BD+60o 2522 assign it a stellar type of O6.5 giant. Models of photoionized structures in the H ii region, however, suggest the shape for the UV continuum more appropriate to an O9 giant. Based on these, there is also a discrepancy in the shape of the interstellar curve towards the star. We discuss our model of BD+60o 2522 in the context of these discrepancies.
This research was supported in part by NASA grant NAG5-13720 to Rice University.

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