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HD 306414: Optical Counterpart to the Peculiar X-ray Transient IGR J11215-5952

Bibcode
2010ASPC..435..407N
Negueruela, I.; Lorenzo, J.; Herrero, A.; Norton, A. J.
Bibliographical reference

Binaries - Key to Comprehension of the Universe. Proceedings of a conference held June 8-12, 2009 in Brno, Czech Republic. Edited by Andrej Prša and Miloslav Zejda. San Francisco: Astronomical Society of the Pacific, 2010., p.407

Advertised on:
12
2010
Number of authors
4
IAC number of authors
0
Citations
1
Refereed citations
1
Description
We present high-resolution spectroscopy of HD 306414, optical counterpart to the hard X-ray transient IGR J11215-5952, an object belonging to the class of Supergiant Fast X-ray Transients. We derive a spectral type B0.5 Ia for HD 306414 and determine its stellar parameters from an atmosphere model fit to the spectrum. Our data, taken around the time of the February 2007 X-ray outburst, show large variations in the shape of the Hα emission feature and the radial velocities of metallic lines about the time of the X-ray emission.
Type
Non-refereed

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