The BeppoSAX LECS X-ray spectrum of Hercules X-1.
Abstract
We present 0.1-10keV observations of HerX-1 obtained with the Low-Energy Spectrometer Concentrator instrument onboard the BeppoSAX satellite during the main on-state of the 35 day cycle. We confirm the existence of an intense 0.093keV blackbody component and a broad emission feature at 0.94keV. The pulse phase dependence of these components is similar, suggesting a common origin. This is most likely fluorescent excitation of moderately ionized (ξ~10-100) material located at the inner edge of the accretion disk.
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- November 1997
- DOI:
- 10.48550/arXiv.astro-ph/9706188
- arXiv:
- arXiv:astro-ph/9706188
- Bibcode:
- 1997A&A...327..215O
- Keywords:
-
- STARS: INDIVIDUAL: HER X-1;
- NEUTRON STARS;
- X-RAYS: STARS;
- Astrophysics
- E-Print:
- 5 pages, LaTeX. Accepted for publication in A&