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HD 306414, the optical counterpart to the Peculiar X-Ray Transient IGR J11215-5952

By Javier Lorenzo, Ignacio Negueruela and Andrew J . Norton

Abstract

HD 306414 is the optical counterpart to the transient X-ray source IGR J11215–5952, characterised by short flares occurring every 165 days. In order to improve our understanding of this source, we obtained high-resolution spectroscopy of HD 306414 around the time of the February 2007 X-ray outburst. Large variations in the shape of the H? emission feature and the radial velocities of metallic lines are seen around the time of the X-ray emission

Year: 2010
OAI identifier: oai:oro.open.ac.uk:22380
Provided by: Open Research Online

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