| タイトル | Pre-main sequence stars in the Chamaeleon cloud and pre-main sequence stars in the Rho Ophiuchi cloud core |
| 本文（外部サイト） | http://hdl.handle.net/2060/19940015864 |
| 著者（英） | Feigelson, Eric D. |
| 著者所属（英） | Pennsylvania State Univ. |
| 発行日 | 1993-12-15 |
| 言語 | eng |
| 内容記述 | This grant funds two closely related studies of young stars under the ROSAT Guest Observer Program. A major paper on ROSAT discovery of X-ray emitting young stars in the Chamaeleon star forming cloud was published in the Astrophysical Journal. Two soft X-ray images of the Chamaeleon I star forming cloud obtained with the ROSAT Position Sensitive Proportional Counter are presented. Seventy reliable, and 19 possible additional, X-ray sources are found. Most are confirmed to be new weak T Tauri stars. A study of X-ray emitting stars in a deep ROSAT image of the rho Ophiuchi star forming cloud cores has been completed, and is being submitted for publication in the Astrophysical Journal. A list of X-ray sources, fluxes, signal-to-noise ratios and boresight-corrected positions has been compiled, and optical identification down to 22(exp m) are obtained. Of the 55 reliable ROSAT sources, virtually all are associated with embedded infrared-detected T Tauri stars. T Tauri X-rays may provide a crucial link in the photoionization self-regulation of star formation in the galaxy. |
| NASA分類 | ASTROPHYSICS |
| レポートNO | 94N20337
NASA-CR-194713
NAS 1.26:194713 |
| 権利 | No Copyright |
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