| タイトル | X-ray sources in regions of star formation. I - The naked T Tauri stars |
| 著者（英） | Walter, F. M. |
| 著者所属（英） | Colorado Univ. |
| 発行日 | 1986-07-15 |
| 言語 | eng |
| 内容記述 | Einstein X-ray observations of regions of active star formation in Taurus, Ophiuchus, and Corona Australis show a greatly enhanced surface density of stellar X-ray sources over that seen in other parts of the sky. Many of the X-ray sources are identified with low-mass, pre-main-sequence stars which are not classical T Tauri stars. The X-ray, photometric, and spectroscopic data for these stars are discussed. Seven early K stars in Oph and CrA are likely to be 1-solar-mass post-T Tauri stars with ages of 10-million yr. The late K stars in Taurus are not post-T Tauri, but 'naked' T Tauri stars, which are coeval with the T Tauri stars, differing mainly in the lack of a circumstellar envelope. |
| NASA分類 | ASTROPHYSICS |
| レポートNO | 86A47996 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/383053 |
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