A New Way to Resolve Cepheid Binaries

Details A New Way to Resolve Cepheid Binaries A New Way to Resolve Cepheid Binaries

2002-03-29

arxiv.org/abs/astro-ph/0203515v1

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, to appear in "Radial and Nonradial Pulsations as Probes of Stellar Physics", IAU 185, eds. C. Aerts, T.R.

Scientific paper

We have measured the centroid shift of low resolution HST FOC spectra as the
dominant star changes from the Cepheid to the hot companion. With this approach
we have resolved the AW Per system and marginally resolved the U Aql system.

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