Academic Journal
The complex X-ray spectrum of the supersoft source
| العنوان: | The complex X-ray spectrum of the supersoft source |
|---|---|
| المؤلفون: | Mr Vel, Henk Bearda, Wouter Hartmann, Ken Ebisawa, John Heise, Jelle Kaastra, Rob Van Der Meer, Frank Verbunt, Christian Motch |
| المساهمون: | The Pennsylvania State University CiteSeerX Archives |
| المصدر: | http://arxiv.org/pdf/astro-ph/0202333v1.pdf. |
| سنة النشر: | 2008 |
| المجموعة: | CiteSeerX |
| الوصف: | We present the X-ray spectrum of MR Vel /RX J0925.7−4758, obtained with the Medium Energy Grating spectrometer of the Chandra X-ray Telescope. The simplest models used by earlier authors, stellar atmospheres in combination with a thermal plasma in collisional ionization equilibrium, cannot explain the spectrum. Neither does a photo-ionized plasma. We identify P Cygni profiles of Fe XVII and OVIII, from which we conclude that these lines arise in a wind. We conclude that major uncertainty exists about the bolometric luminosity of MR Vel, and perhaps of supersoft sources in general, so that the theoretical prediction that this luminosity derives from steady nuclear burning cannot be verified. |
| نوع الوثيقة: | text |
| وصف الملف: | application/pdf |
| اللغة: | English |
| Relation: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.338.3057; http://arxiv.org/pdf/astro-ph/0202333v1.pdf |
| الاتاحة: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.338.3057 http://arxiv.org/pdf/astro-ph/0202333v1.pdf |
| Rights: | Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
| رقم الانضمام: | edsbas.DD6B9FD |
| قاعدة البيانات: | BASE |
| الوصف غير متاح. |