The prolate solar chromosphere
| Title | The prolate solar chromosphere |
| Publication Type | Journal Article |
| Year of Publication | 1998 |
| Authors | Auchère, F., Boulade S., Koutchmy S., Smartt R. N., Delaboudinière J. P., Georgakilas A., Gurman J. B., and Artzner G. E. |
| Journal | Astronomy and Astrophysics |
| Volume | 336 |
| Pagination | L57-L60 |
| Date Published | Aug |
| Abstract | We present a comparative analysis of the chromospheric solar limb prolateness, using strictly simultaneous H\_alpha ground-based observations and Heriptsize$\{$II$\}$ space-based observations. The typical prolateness is found to be Delta D/D=5.5*E(-3) in Heriptsize$\{$II$\}$ and 1.2*E(-3) in H\_alpha . The first measurements in the 30.4 nm Heriptsize$\{$II$\}$ line over a period of two years, as well as coronal data, are discussed to explore further the origin of the prolateness and its possible consequences. |
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