The ULX NGC 1313 X-2 : an optical study revealing an interesting behavior

Details The ULX NGC 1313 X-2 : an optical study revealing an interesting behavior The ULX NGC 1313 X-2 : an optical study revealing an interesting behavior

2009-02-25

arxiv.org/abs/0902.4431v1

AIP Conf.Proc.1126:201-203,2009

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

3 pages, 2 figures, to appear in the proceedings of the second Simbol-X International Symposium "Simbol-X - Focusing on the Ha

Scientific paper

10.1063/1.3149412

We present a summary of our ongoing efforts to study one of the brightest ultraluminous X-ray source, NGC 1313 X-2. Despite a large coverage in the X-rays, much of the information we have about the source and its environment comes from optical wavelenghts. Here, we report on the properties of the stellar environment, and the differences in the optical counterpart between our two observing epochs (2003--2004 and 2007--2008). We summarize our ongoing program designed to look for radial velocity variations in the optical spectra and for photometric variability.

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