IBIS: Reversed granulation in the quiet photosphere

被引：0

作者：

Janssen, Katja ^{[1
]}

Cauzzi, Gianna ^{[1
]}

机构：

[1] Observ Astrofis Arcetri, INAF, Largo E Fermi 5, Florence, Italy

来源：

SOLAR MHD THEORY AND OBSERVATIONS: A HIGH SPATIAL RESOLUTION PERSPECTIVE, IN HONOR OF ROBERT F. STEIN | 2006年 / 354卷

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The phenomenon of "reversed granulation", i.e. the partial reversal of the intensity pattern occurring in the low photosphere, is predicted by numerical simulations and mostly observed in the extended wings of chromespheric lines. In this contribution we present high spatial resolution 2D maps of the reversed granulation, obtained from line core images of the photospheric Fe I 7090.4 angstrom line, as well as the temporal evolution of their correlation with continuum maps, that suggests the presence of gravity waves in the mid-photosphere.

引用

页码：49 / +

页数：2

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