Physical parameters of helium-rich subdwarf B stars from spectral energy distributions

Details Physical parameters of helium-rich subdwarf B stars from spectral energy distributions Physical parameters of helium-rich subdwarf B stars from spectral energy distributions

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004a%26a...413..323a&link_type=abstract

Astronomy and Astrophysics, v.413, p.323-327 (2004)

Astronomy and Astrophysics

Astrophysics

6

Stars: Chemically Peculiar, Stars: Early-Type, Subdwarfs, Stars: Atmospheres, Stars: Fundamental Parameters

Scientific paper

We present effective temperatures and angular radii for eleven helium-rich subdwarf B stars. These are measured using spectral energy distributions from archival IUE spectra and existing optical and infrared photometry. The data have been analysed using a grid of high-gravity helium-rich LTE model atmospheres and a χ2-minimization procedure. The parameters derived here allow for independent verification of the parameters derived from the analysis of optical spectra.
Based on INES data from the IUE satellite.

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