| タイトル | Ultraviolet emission lines and optical photometry of the flare star AT Microscopii |
| 著者（英） | Pettersen, B. R.; Jensen, E.; Elgaroy, O.; Joras, P.; Engvold, O. |
| 著者所属（英） | Oslo Univ. |
| 発行日 | 1988-03-01 |
| 言語 | eng |
| 内容記述 | UV spectra of the dwarf flare star binary AT Mic were obtained with the IUE spacecraft over the course of three days in September 1985. A high-resolution short-wavelength spectrum was exposed for 25 h. Line wavelengths, widths, and fluxes were derived from the observed high-resolution spectra, and the effects of the binary structure of AT Mic on the spectral lines were evaluated. The data show that the UV emission-line spectrum is similar in nature to that of flare regions on the sun and other stars. The width of the Mg II k-line shows a good fit with the Wilson-Bappu relation, which thus seems to extend over a very large range of absolute magnitudes. |
| NASA分類 | ASTROPHYSICS |
| レポートNO | 88A35233 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/371080 |
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