Time Variability of the Geocoronal Solar-Wind Charge Exchange in the Direction of the Celestial Equator | Zendy

Yuichiro Ezoe | Zendy; K. Ebisawa | Zendy; Noriko Y. Yamasaki | Zendy; Kazuhisa Mitsuda | Zendy; Hiroshi Yoshitake | Zendy; Naoki Terada | Zendy; Yoshizumi Miyoshi | Zendy; Ryuichi Fujimoto | Zendy

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Time Variability of the Geocoronal Solar-Wind Charge Exchange in the Direction of the Celestial Equator

Author(s) -

Yuichiro Ezoe,

K. Ebisawa,

Noriko Y. Yamasaki,

Kazuhisa Mitsuda,

Hiroshi Yoshitake,

Naoki Terada,

Yoshizumi Miyoshi,

Ryuichi Fujimoto

Publication year - 2010

Publication title -

publications of the astronomical society of japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.99

H-Index - 110

eISSN - 2053-051X

pISSN - 0004-6264

DOI - 10.1093/pasj/62.4.981

Subject(s) - physics , solar wind , astrophysics , line (geometry) , astronomy , emission spectrum , spectral line , plasma , geometry , nuclear physics , mathematics

We report on the detection of a time variable OVII line emission in a deep 100 ks Suzaku X-ray Imaging Spectrometer spectrum of the galactic ridge X-ray emission. The observed line intensity is too strong (11$\ \pm\ $2 line unit or photon cm$^{-2}\ $s$^{-1}\ $sr$^{-1}\ $) to be emitted inside the heavily obscured galactic disk. It showed a factor of two time variation that showed a significant ($\...

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