Status of Xtend telescope onboard X-Ray Imaging and Spectroscopy Mission (XRISM)
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arXiv
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| Natura: | Preprint |
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2024
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| author | Mori, Koji Tomida, Hiroshi Nakajima, Hiroshi Okajima, Takashi Noda, Hirofumi Uchida, Hiroyuki Suzuki, Hiromasa Kobayashi, Shogo Benjamin Yoneyama, Tomokage Hagino, Kouichi Nobukawa, Kumiko Tanaka, Takaaki Murakami, Hiroshi Uchiyama, Hideki Nobukawa, Masayoshi Matsumoto, Hironori Tsuru, Takeshi Yamauchi, Makoto Hatsukade, Isamu Odaka, Hirokazu Kohmura, Takayoshi Yamaoka, Kazutaka Ishida, Manabu Maeda, Yoshitomo Hayashi, Takayuki Tamura, Keisuke Boissay-Malaquin, Rozenn Sato, Toshiki Yoshida, Tessei Kanemaru, Yoshiaki Hiraga, Junko Dotani, Tadayasu Ozaki, Masanobu Tsunemi, Hiroshi Inoue, Shun Azuma, Ryuishi Aoki, Yuma Asahina, Yoh Nakamura, Shotaro Kamei, Takamitsu Fukuda, Masahiro Asakura, Kazunori Yoshimoto, Marina Ode, Yuichi Hakamata, Tomohiro Aoyagi, Mio shima, Kohei Aoki, Yuma Ito, Yamato Aoki, Daiki Fujisawa, Kaito Shimizu, Yasuyuki Higuchi, Mayu Miyazaki, Keitaro Kusunoki, Kohei Otsuka, Yoshinori Yokosu, Haruhiko Yonemaru, Wakana Ichikawa, Kazuhiro Nakano, Hanako takemoto, Reo Matsushima, Tsukasa Hayashida, Kiyoshi |
| author_facet | Mori, Koji Tomida, Hiroshi Nakajima, Hiroshi Okajima, Takashi Noda, Hirofumi Uchida, Hiroyuki Suzuki, Hiromasa Kobayashi, Shogo Benjamin Yoneyama, Tomokage Hagino, Kouichi Nobukawa, Kumiko Tanaka, Takaaki Murakami, Hiroshi Uchiyama, Hideki Nobukawa, Masayoshi Matsumoto, Hironori Tsuru, Takeshi Yamauchi, Makoto Hatsukade, Isamu Odaka, Hirokazu Kohmura, Takayoshi Yamaoka, Kazutaka Ishida, Manabu Maeda, Yoshitomo Hayashi, Takayuki Tamura, Keisuke Boissay-Malaquin, Rozenn Sato, Toshiki Yoshida, Tessei Kanemaru, Yoshiaki Hiraga, Junko Dotani, Tadayasu Ozaki, Masanobu Tsunemi, Hiroshi Inoue, Shun Azuma, Ryuishi Aoki, Yuma Asahina, Yoh Nakamura, Shotaro Kamei, Takamitsu Fukuda, Masahiro Asakura, Kazunori Yoshimoto, Marina Ode, Yuichi Hakamata, Tomohiro Aoyagi, Mio shima, Kohei Aoki, Yuma Ito, Yamato Aoki, Daiki Fujisawa, Kaito Shimizu, Yasuyuki Higuchi, Mayu Miyazaki, Keitaro Kusunoki, Kohei Otsuka, Yoshinori Yokosu, Haruhiko Yonemaru, Wakana Ichikawa, Kazuhiro Nakano, Hanako takemoto, Reo Matsushima, Tsukasa Hayashida, Kiyoshi |
| contents | Xtend is one of the two telescopes onboard the X-ray imaging and spectroscopy mission (XRISM), which was launched on September 7th, 2023. Xtend comprises the Soft X-ray Imager (SXI), an X-ray CCD camera, and the X-ray Mirror Assembly (XMA), a thin-foil-nested conically approximated Wolter-I optics. A large field of view of $38^{\prime}\times38^{\prime}$ over the energy range from 0.4 to 13 keV is realized by the combination of the SXI and XMA with a focal length of 5.6 m. The SXI employs four P-channel, back-illuminated type CCDs with a thick depletion layer of 200 $μ$m. The four CCD chips are arranged in a 2$\times$2 grid and cooled down to $-110$ $^{\circ}$C with a single-stage Stirling cooler. Before the launch of XRISM, we conducted a month-long spacecraft thermal vacuum test. The performance verification of the SXI was successfully carried out in a course of multiple thermal cycles of the spacecraft. About a month after the launch of XRISM, the SXI was carefully activated and the soundness of its functionality was checked by a step-by-step process. Commissioning observations followed the initial operation. We here present pre- and post-launch results verifying the Xtend performance. All the in-orbit performances are consistent with those measured on ground and satisfy the mission requirement. Extensive calibration studies are ongoing. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_19911 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Status of Xtend telescope onboard X-Ray Imaging and Spectroscopy Mission (XRISM) Mori, Koji Tomida, Hiroshi Nakajima, Hiroshi Okajima, Takashi Noda, Hirofumi Uchida, Hiroyuki Suzuki, Hiromasa Kobayashi, Shogo Benjamin Yoneyama, Tomokage Hagino, Kouichi Nobukawa, Kumiko Tanaka, Takaaki Murakami, Hiroshi Uchiyama, Hideki Nobukawa, Masayoshi Matsumoto, Hironori Tsuru, Takeshi Yamauchi, Makoto Hatsukade, Isamu Odaka, Hirokazu Kohmura, Takayoshi Yamaoka, Kazutaka Ishida, Manabu Maeda, Yoshitomo Hayashi, Takayuki Tamura, Keisuke Boissay-Malaquin, Rozenn Sato, Toshiki Yoshida, Tessei Kanemaru, Yoshiaki Hiraga, Junko Dotani, Tadayasu Ozaki, Masanobu Tsunemi, Hiroshi Inoue, Shun Azuma, Ryuishi Aoki, Yuma Asahina, Yoh Nakamura, Shotaro Kamei, Takamitsu Fukuda, Masahiro Asakura, Kazunori Yoshimoto, Marina Ode, Yuichi Hakamata, Tomohiro Aoyagi, Mio shima, Kohei Aoki, Yuma Ito, Yamato Aoki, Daiki Fujisawa, Kaito Shimizu, Yasuyuki Higuchi, Mayu Miyazaki, Keitaro Kusunoki, Kohei Otsuka, Yoshinori Yokosu, Haruhiko Yonemaru, Wakana Ichikawa, Kazuhiro Nakano, Hanako takemoto, Reo Matsushima, Tsukasa Hayashida, Kiyoshi Instrumentation and Methods for Astrophysics Xtend is one of the two telescopes onboard the X-ray imaging and spectroscopy mission (XRISM), which was launched on September 7th, 2023. Xtend comprises the Soft X-ray Imager (SXI), an X-ray CCD camera, and the X-ray Mirror Assembly (XMA), a thin-foil-nested conically approximated Wolter-I optics. A large field of view of $38^{\prime}\times38^{\prime}$ over the energy range from 0.4 to 13 keV is realized by the combination of the SXI and XMA with a focal length of 5.6 m. The SXI employs four P-channel, back-illuminated type CCDs with a thick depletion layer of 200 $μ$m. The four CCD chips are arranged in a 2$\times$2 grid and cooled down to $-110$ $^{\circ}$C with a single-stage Stirling cooler. Before the launch of XRISM, we conducted a month-long spacecraft thermal vacuum test. The performance verification of the SXI was successfully carried out in a course of multiple thermal cycles of the spacecraft. About a month after the launch of XRISM, the SXI was carefully activated and the soundness of its functionality was checked by a step-by-step process. Commissioning observations followed the initial operation. We here present pre- and post-launch results verifying the Xtend performance. All the in-orbit performances are consistent with those measured on ground and satisfy the mission requirement. Extensive calibration studies are ongoing. |
| title | Status of Xtend telescope onboard X-Ray Imaging and Spectroscopy Mission (XRISM) |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2406.19911 |