OAO1657-415: A `missing link' in high-mass X-ray binaries?

Maxwell, Diana H.; Norton, Andrew J. and Roche, Paul (2001). OAO1657-415: A `missing link' in high-mass X-ray binaries? In: Evolution of Binary and Multiple Star Systems; a meeting in celebration of Peter Eggleton's 60th birthday, 25 June - 1 July 2000, Bormio, Italy.

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Abstract

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.

Item Type:	Conference Item
Copyright Holders:	2001 Astronomical Society of Pacific
ISBN:	1-58381-061-7, 978-1-58381-061-3
Extra Information:	IBSN: 1583810617
Academic Unit/Department:	Science > Physical Sciences
Interdisciplinary Research Centre:	Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID:	4589
Depositing User:	Users 6827 not found.
Date Deposited:	07 Jul 2006
Last Modified:	09 May 2011 09:44
URI:	http://oro.open.ac.uk/id/eprint/4589

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