The X-ray spectrum of LSI+61o303

Details The X-ray spectrum of LSI+61o303 The X-ray spectrum of LSI+61o303

2001-05-17

arxiv.org/abs/astro-ph/0105304v1

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures, to appear in A&A

Scientific paper

10.1051/0004-6361:20010826

It had been proposed earlier that the hard X-ray and gamma-ray radiation of the Be/X-ray system LSI+61o303 could be due to inverse Compton scattering of optical photons from the Be star by the same electron population which also produces the radio emission. Recently, Apparao (2001) has calculated this inverse Compton emission in more detail, and predicted that the X-ray spectrum should show a break at around 20 keV. We investigated archival RXTE data, but do not find such a break in the 2--25 keV range. The implications of this finding are shortly discussed.

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