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| Paper: |
X-ray Emission and Absorption Lines During the SSS Phase of RS Ophiuchi |
| Volume: |
401, RS Ophiuchi (2006) and the Recurrent Nova Phenomenon |
| Page: |
291 |
| Authors: |
Schö nrich, R.A.; Ness, J.-U. |
| Abstract: |
The high-resolution X-ray spectra of the sixth outburst of RS Ophiuchi revealed P Cygni-like line profiles. We use the column densities of selected isolated absorption lines to derive the nitrogen-to-oxygen abundance ratio. We next discuss the origin of the emission lines, which may originate from the shock, and the absorption and emission lines may thus have a different formation history. Finally, we discuss the correlation of high-amplitude variability detected during the early SSS phase with variability in the hardness ratio that follows the same pattern but is shifted by 1000 sec. |
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