Discovery of the ~0.8 keV emission component from the Galactic disk with Suzaku

机译：使用Suzaku从银河盘中发现〜0.8 keV发射分量

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We report the discovery of a ~0.8 keV emission component from the Galactic disk with Suzaku. Using two Suzaku observations and re-analysis of ROSAT All Sky map, we conclude that the emission component exists over the entire galactic plane. This is likely an answer to the long standing mystery of the "M-band problem" identified in the early 1980's. Since high pressure is required to explain the 0.8 keV emission, diffuse gas is unlikely an explanation of the emission. Instead, we constructed a model which assumes that the emission originates from unresolved faint M dwarf (dM) stars in the Suzaku field of view. This model successfully represents the energy spectrum, the absolute intensity, and the latitude dependence of the emission.

机译：我们报告说，朱雀与银河系磁盘发现了〜0.8 keV发射成分。使用两个朱雀观测和对ROSAT全天图的重新分析，我们得出结论，发射分量存在于整个银河平面上。这很可能是对1980年代初期确定的“ M波段问题”的长期谜团的答案。由于需要高压来解释0.8 keV的排放，因此扩散气体不太可能解释排放。相反，我们构建了一个模型，假设该模型的发射来自朱雀（Suzaku）视场中尚未解析的微弱M矮星（dM）。该模型成功表示了发射的能谱，绝对强度和纬度依赖性。

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来源
《The energetic cosmos : from Suzaku to ASTRO-H》|2009年|p.108-109|共2页
会议地点 Hokkaido(JP)
作者
Shunsuke Kimura; Kensuke Masui; Kazuhisa Mitsuda; Noriko Y. Yamasaki; Dan McCammon;
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作者单位

ISAS/JAXA, 3-1-1, Yoshinodai, Sagamihara, Kanagawa, 229-8510, Japan;

ISAS/JAXA, 3-1-1, Yoshinodai, Sagamihara, Kanagawa, 229-8510, Japan;

ISAS/JAXA, 3-1-1, Yoshinodai, Sagamihara, Kanagawa, 229-8510, Japan;

ISAS/JAXA, 3-1-1, Yoshinodai, Sagamihara, Kanagawa, 229-8510, Japan;

Department of Physics, University of Wisconsin - Madison,1150 University Avenue, Madison, WI 53706, USA;

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原文格式 PDF
正文语种 eng
中图分类恒星天文学、星系天文学、宇宙学;
关键词
X-rays; diffuse background, stars; early-type;

机译：X射线漫射背景，星星；早期型;

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机译：使用朱雀，从G323.7？1.0中发现6.4keV线和软X射线发射
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4. Discovery of the ~0.8 keV emission component from the Galactic disk with Suzaku [C] . Shunsuke Kimura, Kensuke Masui, Kazuhisa Mitsuda, Suzaku international conference on energetic cosmos : from Suzaku to ASTRO-H . 2010

机译：用苏崎从银河盘发现〜0.8 keV排放组件
5. The origin of the Galactic 511 keV positron annihilation emission morphology. [D] . Johns, Bethany R. 2008

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8. Origin of the Galactic Disk 6.7 kev Line Emission [R] . Churchwell, Ed 1997

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Discovery of the ~0.8 keV emission component from the Galactic disk with Suzaku

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