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OA01657-415: A 'Missing link' in high-mass X-ray binaries?

Abstract:
OA01657-415 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 B5III or B6V 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.
Publication status:
Published

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Volume:
229
Pages:
495-499
Publication date:
2001-01-01
URN:
uuid:0a548af1-86e7-423f-900b-9fe2937009aa
Source identifiers:
23554
Local pid:
pubs:23554
ISBN:
1-58381-061-7

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