Hitomi (ASTRO-H) X-ray Astronomy Satellite
نویسندگان
چکیده
منابع مشابه
FABRICATION OF Pt/C MULTILAYER-COATED THIN FOIL MIRRORS FOR HARD X-RAY TELESCOPE LOADED IN ASTRO-H SATELLITE
INTRODUCTION In future satellite missions for X-ray astronomy, hard X-ray imaging will become one of the major observation techniques. It allows astronomers to observe the distribution of hard X-ray objects in the Universe with a high sensitivity. Since hard X-rays can penetrate thick absorbing materials, astronomers are able to discover many massive black holes embedded in thick gas. High-ener...
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X-ray emission from stars in the cool half of the Hertzsprung-Russell diagram is generally attributed to the presence of a magnetic corona that contains plasma at temperatures exceeding 1 million K. Coronae are ubiquitous among these stars, yet many fundamental mechanisms operating in their magnetic fields still elude an interpretation through a detailed physical description. Stellar X-ray astr...
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X-rays have tremendous potential for imaging at the highest angular resolution. The high surface brightness of many xray sources will reveal angular scales heretofore thought unreachable. The short wavelengths make instrumentation compact and baselines short. We discuss how practical x-ray interferometers can be built for astronomy using existing technology. We describe the Maxim Pathfinder and...
متن کاملObservations of Gamma-ray Bursts with ASTRO-H and Fermi
M. Ohno, T. Kawano, M. S. Tashiro, H. Ueno, D. Yonetoku, H. Sameshima, T. Takahashi, H. Seta, R. Mushotzky, K. Yamaoka, ASTRO-H SWG team and Fermi LAT/GBM collaborations Department of Physical Sciences, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526 Department of Physics, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama-shi, Saitama 338-8570 Department of P...
متن کاملPhase Fresnel Lens Development for X-ray & Gamma-ray Astronomy
Observations in the hard X-ray and gammaray energy regimes are constrained by limited sensitivity and angular resolution. Significant gains could be made if these high-energy photons could be concentrated from a large area onto a small detector element and if diffraction-limited measurements could be obtained. Furthermore, the angular resolution in the gamma-ray band would be superior to that p...
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ژورنال
عنوان ژورنال: Journal of Astronomical Telescopes, Instruments, and Systems
سال: 2018
ISSN: 2329-4124
DOI: 10.1117/1.jatis.4.2.021402