TY - GEN
T1 - Current status of the Astro-H x-ray telescope system
AU - Awaki, Hisamitsu
AU - Ogasaka, Yasushi
AU - Kunieda, Hideyo
AU - Furuzawa, Akihiro
AU - Mori, Hideyuki
AU - Miyazawa, Takuya
AU - Haba, Yoshito
AU - Tawara, Yuzuru
AU - Yamashita, Koujyun
AU - Serlemitsos, Peter
AU - Soong, Yang
AU - Okajima, Takashi
AU - Ishida, Manabu
AU - Maeda, Yoshitomo
AU - Tamura, Keisuke
AU - Namba, Yoshiharu
AU - Uesugi, Kentaro
AU - Suzuki, Yoshio
AU - Ogi, Keiji
AU - Itoh, Masayuki
AU - Kosaka, Tatsuro
AU - Tsunemi, Hiroshi
PY - 2009
Y1 - 2009
N2 - Astro-H mission is the new Japanese X-ray mission following Suzaku. One of the unique features of the mission is an imaging spectroscopy in a unprecedentedly wide energy region from 0.3 to 60 keV. The X-Ray Telescope (XRT) system covers the energy region by means of grazing incidence reflective optics. In the current baseline specification, the XRT system consists of two hard X-ray telescopes (HXTs) which cover 5 to 60 keV, and two soft X-ray telescopes (SXT-S and SXT-I) which cover 0.3 to about 10 keV. Both of HXT and SXT-S mirrors employ tightly-nested, conicallyapproximated thin-foil Wolter-I optics. The HXTs employ Pt/C depth-graded multilayers (supermirrors), while the SXTS employ a single layer of gold. We measured test reflectors for Astro-H HXT at SPring-8, and obtained the roughness of the test reflectors of < 4 Ȧ and the image blur after two reflections of 0.8'-1.1'. International collaboration has been formed for the project, and basic and design studies have been carried out. Based on the basic study, detailed studies of the flight design are in progress, and production facilities for the Astro-H XRT system are close to complete.
AB - Astro-H mission is the new Japanese X-ray mission following Suzaku. One of the unique features of the mission is an imaging spectroscopy in a unprecedentedly wide energy region from 0.3 to 60 keV. The X-Ray Telescope (XRT) system covers the energy region by means of grazing incidence reflective optics. In the current baseline specification, the XRT system consists of two hard X-ray telescopes (HXTs) which cover 5 to 60 keV, and two soft X-ray telescopes (SXT-S and SXT-I) which cover 0.3 to about 10 keV. Both of HXT and SXT-S mirrors employ tightly-nested, conicallyapproximated thin-foil Wolter-I optics. The HXTs employ Pt/C depth-graded multilayers (supermirrors), while the SXTS employ a single layer of gold. We measured test reflectors for Astro-H HXT at SPring-8, and obtained the roughness of the test reflectors of < 4 Ȧ and the image blur after two reflections of 0.8'-1.1'. International collaboration has been formed for the project, and basic and design studies have been carried out. Based on the basic study, detailed studies of the flight design are in progress, and production facilities for the Astro-H XRT system are close to complete.
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U2 - 10.1117/12.826004
DO - 10.1117/12.826004
M3 - Conference contribution
AN - SCOPUS:70449396919
SN - 9780819477279
T3 - Proceedings of SPIE - The International Society for Optical Engineering
BT - Optics for EUV, X-Ray, and Gamma-Ray Astronomy IV
T2 - Optics for EUV, X-Ray, and Gamma-Ray Astronomy IV
Y2 - 4 August 2009 through 6 August 2009
ER -