A New Scenario of the SNR evolution using the Recombining Plasma

2016 Fiscal Year Final Research Report

• Project/Area Number: 24540229
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Astronomy
• Research Institution: Kyoto University
• Principal Investigator: Katsuji Koyama 京都大学, 理学研究科, 名誉教授 (10092206)
• Project Period (FY): 2012-04-01 – 2017-03-31
• Keywords: 超新星残骸 / エックス線 / 過電離プラズマ / 元素組成 / 宇宙線起源

Outline of Final Research Achievements

The purpose of this work is to detect Recombining plasma (RP) from many SNR, using the Suzaku high spectral capability, and address new scenario of SNR evolution. We found RP from 7 SNRs for the first time, and study the evolutional scenario to produce the RP. Furthermore we detect　Cr, Mn, Fe and Ni K-shell line from many SNRs and address the explosion mechanisms, origin of the Galactic diffuse X-ray emission and the origin of the Cosmic Rays.

Free Research Field

X線天文学