On the Role of Acoustic-Gravity Waves in the Energetics of the Solar Atmosphere

被引：0

作者：

Straus, Thomas ^{[1
]}

Fleck, Bernhard ^{[2
]}

Jefferies, Stuart M. ^{[3
]}

McIntosh, Scott W. ^{[4
]}

Severino, Giuseppe ^{[1
]}

Steffen, Matthias ^{[5
]}

Tarbell, Theodore D. ^{[6
]}

机构：

[1] Osserv Astron Capodimonte, INAF, Via Moiariello 16, I-80131 Naples, Italy

[2] NASA, Goddard Space Flight Ctr, ESA Sci Operat Dept, Greenbelt, MD 20771 USA

[3] Univ Hawaii, Inst Astron, Pukalani, HI 96768 USA

[4] High Altitude Observ, Boulder, CO 80307 USA

[5] Astrophys Inst Potsdam, D-14482 Potsdam, Germany

[6] Lockheed Martin Solar & Astrophys Lab, Palo Alto, CA 94304 USA

来源：

SECOND HINODE SCIENCE MEETING: BEYOND DISCOVERY-TOWARD UNDERSTANDING | 2009年 / 415卷

关键词：

CHROMOSPHERE; FLUX;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In a recent paper (Straus et al. 2008) we determined the energy flux of internal gravity waves in the lower solar atmosphere using a combination of 3D numerical simulations and observations obtained with the IBIS instrument operated at the Dunn Solar Telescope and the Michelson Doppler Imager (MDI) on SOHO. In this paper we extend these studies using coordinated observations from SOT/NFI and SOT/SP on Hinode and MDI. The new measurements confirm that gravity waves are the dominant phenomenon in the quiet middle/upper photosphere and that they transport more mechanical energy than the high-frequency (> 5 mHz) acoustic waves, even though we find an acoustic flux 3-5 times larger than the upper limit estimate of Possum and Carlsson (2005). It therefore appears justified to reconsider the significance of (non-M)HD waves for the energy balance of the solar chromosphere.

引用

页码：95 / +

页数：2

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