OAO1657-415 : A `Missing Link' in High Mass X-ray Binaries?

(2) Leicester University); A.J. Norton (1); D.H. Maxwell (1); P. Roche (2) ((1) The Open University

arxiv: astro-ph/0011401 · v1 · submitted 2000-11-22 · 🌌 astro-ph

OAO1657-415 : A `Missing Link' in High Mass X-ray Binaries?

D.H. Maxwell (1) , A.J. Norton (1) , P. Roche (2) ((1) The Open University , (2) Leicester University) This is my paper

classification 🌌 astro-ph

keywords starx-raymassoao1657-415binarieshighneutrononly

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OAO1657-415 is only the seventh eclipsing X-ray pulsar known and therefore has the potential to yield only the seventh mass of a neutron star in an X-ray binary. Here we report photometric and spectroscopic observations of candidates for the optical counterpart to the system and identify a B6V or B5III star as a possible companion to the neutron star. We measure the observational parameters of the star and suggest reasons why OAO1657-415 may be unlike other high mass X-ray binaries.

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OAO1657-415 : A `Missing Link' in High Mass X-ray Binaries?

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