Spatial structure of gravity waves in the solar photosphere

被引：1
|
作者：
Stodilka, M. I. [1 ]
机构：
[1] Ivan Franko Natl Univ Lviv, Astron Observ, UA-79005 Lvov, Ukraine
来源：
KINEMATICS AND PHYSICS OF CELESTIAL BODIES | 2012年 / 28卷 / 04期
关键词：
ACOUSTIC-WAVES; REVERSED GRANULATION; DOT TOMOGRAPHY; ATMOSPHERE; CHROMOSPHERE; DYNAMICS; CONVECTION; RESOLUTION; LINE; SIMULATIONS;
D O I：
10.3103/S088459131204006X
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Observations of the Fe I line are used to simulate spatial and temporal pressure variations in the solar photosphere. The local internal gravity waves, which are essentially structures that are quasi-periodic in space (on granular and mesogranular scales) and time and propagate along inclined paths at subsonic velocities, are isolated by appropriate filtering. The phase and group velocities of the wave trains are orthogonal; their z-projections are of the opposite sign.
引用
收藏
页码：162 / 168
页数：7
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