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A new interpretation of the remarkable X-ray spectrum of the symbiotic star CH Cyg
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Wheatley, Peter J. and Kallman, Timothy R.. (2006) A new interpretation of the remarkable X-ray spectrum of the symbiotic star CH Cyg. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 372 (4). pp. 1602-1606. ISSN 0035-8711
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Official URL: http://dx.doi.org/10.1111/j.1365-2966.2006.10959.x
Abstract
We have re-analysed the ASCA X-ray spectrum of the bright symbiotic star CH Cyg, which exhibits apparently distinct hard and soft X-ray components. Our analysis demonstrates that the soft X-ray emission can be interpreted as scattering of the hard X-ray component in a photoionized medium surrounding the white dwarf. This is in contrast to previous analyses in which the soft X-ray emission was fitted separately and assumed to arise independently of the hard X-ray component. We note the striking similarity between the X-ray spectra of CH Cyg and Seyfert 2 galaxies, which are also believed to exhibit scattering in a photoionized medium.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QB Astronomy |
| Journal or Publication Title: | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY |
| Publisher: | BLACKWELL PUBLISHING |
| ISSN: | 0035-8711 |
| Date: | 11 November 2006 |
| Volume: | 372 |
| Number: | 4 |
| Number of Pages: | 5 |
| Page Range: | pp. 1602-1606 |
| Identification Number: | 10.1111/j.1365-2966.2006.10959.x |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/32877 |
Data sourced from Thomson Reuters' Web of Knowledge
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