Preliminary Photometric Evidence of Starspot Umbrae and Penumbrae on Late-Type Active Stars

被引：0

作者：

Sergio Messina

Edward F. Guinan

机构：

[1] INAF-Catania Astrophysical Observatory,Dept. of Astronomy and Astrophysics

[2] Villanova Univ.,undefined

来源：

Astrophysics and Space Science | 2006年 / 304卷

关键词：

Stars: Late-type; Stars: Spots; Stars: Photometry; Stars: DX Leonis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We constrain the properties of the spotted regions on the photosphere of the active late-type star DX Leonis by comparing the observed amplitudes of light and color variations with synthetic amplitudes obtained by means of Dorren's spot model and computed for a grid of values of spot temperatures, areas and latitudes.

引用

页码：191 / 193

页数：2

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