Radio Observations of the Bowshock around the Runaway System VELA X-1

Ash, T. D. C.; Ogley, R. N.; Bell Burnell, S. J.; Norton, A. J. and Kaper, L. (1998). Radio Observations of the Bowshock around the Runaway System VELA X-1. In: Neutron Stars and Pulsars : Thirty Years after the Discovery : Proceedings of the International Conference on Neutron Stars and Pulsars, 1997 November 17-20, Tachikawa Hall, Rikkyo University, Tokyo, Japan.

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Abstract

The recent discovery of a bowshock around the HMXRB Vela X-1 in the optical and infrared, indicating that the system is moving supersonically with respect to the interstellar medium, prompted a search for a radio counterpart. Observations were made of Vela X-1 using the Australia Telescope Compact Array at 3, 6, 13 and 20 cm. Although the resulting maps show no emission above the noise level from the bowshock, the upper limits on the bowshock's radio emission allow constraints to be put on the density of the shocked gas.

Item Type:	Conference or Workshop Item
Copyright Holders:	1998 Universal Academy Press
Extra Information:	ISBN: 4-946443-44-4 Edited by N. Shibazaki et al. Tokyo, Japan : Universal Academy Press, 1998. (Frontiers science series ; no. 24)., p.511
Academic Unit/School:	Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID:	28610
Depositing User:	Andrew Norton
Date Deposited:	17 May 2011 08:57
Last Modified:	19 Dec 2017 10:01
URI:	http://oro.open.ac.uk/id/eprint/28610
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