Volume 375, Number 1, August III 2001
|Page(s)||145 - 148|
|Section||Interstellar and circumstellar matter|
|Published online||15 August 2001|
The X-ray spectrum of LSI+61°303
Astrophysical Institute Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany
Corresponding author: J. Greiner, firstname.lastname@example.org
Accepted: 6 June 2001
It had been proposed earlier that the hard X-ray and gamma-ray radiation of the Be/X-ray system LSI +61°303 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 ([CITE]) 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.
Key words: X-ray: stars / binaries: close / stars: individual: LSI +61°303 ≡ V615 Cas
© ESO, 2001
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