| タイトル | X-ray induced stellar mass loss near active galactic nuclei |
| 著者（英） | Shull, J. Michael; Voit, G. Mark |
| 著者所属（英） | Colorado Univ.|Joint Inst. for Lab. Astrophysics |
| 発行日 | 1988-08-01 |
| 言語 | eng |
| 内容記述 | The effects of UV and X-ray radiation on stars in active galactic nuclei (AGN) are critically evaluated. Mass loss rates in X-ray-induced winds are evaluated for realistic red giant models, and the effects of the ablation of stellar envelopes by radiation pressure are considered. The importance of X-ray-induced mass loss in the standard quasar model is evaluated and whether it can provide a source of accretion fuel or emission-line clouds is discussed. It is concluded that thermal winds driven by X-ray heating are a minor total supply of mass to AGN, but that thermal plus line-driven winds and stellar ablation may increase the mass loss and improve the chances for supplying a fraction of the necessary mass supply to the central object. It is speculated that when steady winds are inefficient, complex time-dependent processes due to X-ray energy injection deep into a stellar atmosphere could still release significant mass from stars. |
| NASA分類 | ASTROPHYSICS |
| レポートNO | 88A47491 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/369585 |
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