An Hard X-ray Study of Star Formation Process
Project/Area Number |
20540237
|
Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Astronomy
|
Research Institution | Chuo University |
Principal Investigator |
TSUBOI Yohko Chuo University, 理工学部, 准教授 (70349223)
|
Project Period (FY) |
2008 – 2010
|
Project Status |
Completed (Fiscal Year 2010)
|
Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
|
Keywords | 原始星 / X線天文 / フレア / ジェット / 偏光 / チャンドラ衛星 / スピッツァー衛星 / 大質量星 / XMM-Newton衛星 |
Research Abstract |
We detected hard X-ray emissions from protostars which are embedded in deep inside of molecular cores, and obtained physical properties (X-ray luminosities, time variabilities, plasma temperatures, etc.). We confirmed youth of the sources using infrared band data obtained with Spitzer satellite. In order to compare with X-ray properties, we also observed stellar sources with different phases and masses, and studied X-ray emitting mechanisms and acceleration of stellar winds. We further studied flare activities (flare frequencies, plasma temperatures, etc.) with extremely large X-ray luminosities, using the all-sky monitor "MAXI". We developed optics which has sensitivity for X-ray polarization.
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Report
(4 results)
Research Products
(51 results)