Sökning: onr:"swepub:oai:DiVA.org:su-157834" > Measurements of res...
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000 | 10880naa a2202665 4500 | |
001 | oai:DiVA.org:su-157834 | |
003 | SwePub | |
008 | 180627s2018 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1578342 URI |
024 | 7 | a https://doi.org/10.1093/pasj/psx1272 DOI |
040 | a (SwePub)su | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Aharonian, Felix4 aut |
245 | 1 0 | a Measurements of resonant scattering in the Perseus Cluster core with Hitomi SXS |
264 | c 2018-04-11 | |
264 | 1 | b Oxford University Press (OUP),c 2018 |
338 | a print2 rdacarrier | |
520 | a Thanks to its high spectral resolution (similar to 5 eV at 6 keV), the Soft X-ray Spectrometer (SXS) on board Hitomi enables us to measure the detailed structure of spatially resolved emission lines from highly ionized ions in galaxy clusters for the first time. In this series of papers, using the SXS we have measured the velocities of gas motions, metallicities and the multi-temperature structure of the gas in the core of the Perseus Cluster. Here, we show that when inferring physical properties from line emissivities in systems like Perseus, the resonant scattering effect should be taken into account. In the Hitomi waveband, resonant scattering mostly affects the Fe XXV He alpha line (w)-the strongest line in the spectrum. The flux measured by Hitomi in this line is suppressed by a factor of similar to 1.3 in the inner similar to 30 kpc, compared to predictions for an optically thin plasma; the suppression decreases with the distance from the center. The w line also appears slightly broader than other lines from the same ion. The observed distortions of the w line flux, shape, and distance dependence are all consistent with the expected effect of the resonant scattering in the Perseus core. By measuring the ratio of fluxes in optically thick (w) and thin (Fe XXV forbidden, He beta, Ly alpha) lines, and comparing these ratios with predictions from Monte Carlo radiative transfer simulations, the velocities of gas motions have been obtained. The results are consistent with the direct measurements of gas velocities from line broadening described elsewhere in this series, although the systematic and statistical uncertainties remain significant. Further improvements in the predictions of line emissivities in plasma models, and deeper observations with future X-ray missions offering similar or better capabilities to the Hitomi SXS, will enable resonant scattering measurements to provide powerful constraints on the amplitude and anisotropy of cluster gas motions. | |
650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
653 | a galaxies: clusters: individual (Perseus Cluster) | |
653 | a galaxies: clusters: intracluster medium | |
653 | a X-rays: galaxies: clusters | |
700 | 1 | a Akamatsu, Hiroki4 aut |
700 | 1 | a Akimoto, Fumie4 aut |
700 | 1 | a Allen, Steven W.4 aut |
700 | 1 | a Angelini, Lorella4 aut |
700 | 1 | a Audard, Marc4 aut |
700 | 1 | a Awaki, Hisamitsu4 aut |
700 | 1 | a Axelsson, Magnusu Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)aaxe |
700 | 1 | a Bamba, Aya4 aut |
700 | 1 | a Bautz, Marshall W.4 aut |
700 | 1 | a Blandford, Roger4 aut |
700 | 1 | a Brenneman, Laura W.4 aut |
700 | 1 | a Brown, Gregory4 aut |
700 | 1 | a Bulbul, Esra4 aut |
700 | 1 | a Cackett, Edward M.4 aut |
700 | 1 | a Chernyakova, Maria4 aut |
700 | 1 | a Chiao, Meng P.4 aut |
700 | 1 | a Coppi, Paolo S.4 aut |
700 | 1 | a Costantini, Elisa4 aut |
700 | 1 | a de Plaa, Jelle4 aut |
700 | 1 | a de Vries, Cor P.4 aut |
700 | 1 | a den Herder, Jan-Willem4 aut |
700 | 1 | a Done, Chris4 aut |
700 | 1 | a Dotani, Tadayasu4 aut |
700 | 1 | a Ebisawa, Ken4 aut |
700 | 1 | a Eckart, Megan E.4 aut |
700 | 1 | a Enoto, Teruaki4 aut |
700 | 1 | a Ezoe, Yuichiro4 aut |
700 | 1 | a Fabian, Andrew C.4 aut |
700 | 1 | a Ferrigno, Carlo4 aut |
700 | 1 | a Foster, Adam R.4 aut |
700 | 1 | a Fujimoto, Ryuichi4 aut |
700 | 1 | a Fukazawa, Yasushi4 aut |
700 | 1 | a Furukawa, Maki4 aut |
700 | 1 | a Furuzawa, Akihiro4 aut |
700 | 1 | a Galeazzi, Massimiliano4 aut |
700 | 1 | a Gallo, Luigi C.4 aut |
700 | 1 | a Gandhi, Poshak4 aut |
700 | 1 | a Giustini, Margherita4 aut |
700 | 1 | a Goldwurm, Andrea4 aut |
700 | 1 | a Gu, Liyi4 aut |
700 | 1 | a Guainazzi, Matteo4 aut |
700 | 1 | a Haba, Yoshito4 aut |
700 | 1 | a Hagino, Kouichi4 aut |
700 | 1 | a Hamaguchi, Kenji4 aut |
700 | 1 | a Harrus, Ilana M.4 aut |
700 | 1 | a Hatsukade, Isamu4 aut |
700 | 1 | a Hayashi, Katsuhiro4 aut |
700 | 1 | a Hayashi, Takayuki4 aut |
700 | 1 | a Hayashida, Kiyoshi4 aut |
700 | 1 | a Hiraga, Junko S.4 aut |
700 | 1 | a Hornschemeier, Ann4 aut |
700 | 1 | a Hoshino, Akio4 aut |
700 | 1 | a Hughes, John P.4 aut |
700 | 1 | a Ichinohe, Yuto4 aut |
700 | 1 | a Iizuka, Ryo4 aut |
700 | 1 | a Inoue, Hajime4 aut |
700 | 1 | a Inoue, Yoshiyuki4 aut |
700 | 1 | a Ishida, Manabu4 aut |
700 | 1 | a Ishikawa, Kumi4 aut |
700 | 1 | a Ishisaki, Yoshitaka4 aut |
700 | 1 | a Iwai, Masachika4 aut |
700 | 1 | a Kaastra, Jelle4 aut |
700 | 1 | a Kallman, Tim4 aut |
700 | 1 | a Kamae, Tsuneyoshi4 aut |
700 | 1 | a Kataoka, Jun4 aut |
700 | 1 | a Katsuda, Satoru4 aut |
700 | 1 | a Kawai, Nobuyuki4 aut |
700 | 1 | a Kelley, Richard L.4 aut |
700 | 1 | a Kilbourne, Caroline A.4 aut |
700 | 1 | a Kitaguchi, Takao4 aut |
700 | 1 | a Kitamoto, Shunji4 aut |
700 | 1 | a Kitayama, Tetsu4 aut |
700 | 1 | a Kohmura, Takayoshi4 aut |
700 | 1 | a Kokubun, Motohide4 aut |
700 | 1 | a Koyama, Katsuji4 aut |
700 | 1 | a Koyama, Shu4 aut |
700 | 1 | a Kretschmar, Peter4 aut |
700 | 1 | a Krimm, Hans A.4 aut |
700 | 1 | a Kubota, Aya4 aut |
700 | 1 | a Kunieda, Hideyo4 aut |
700 | 1 | a Laurent, Philippe4 aut |
700 | 1 | a Lee, Shiu-Hang4 aut |
700 | 1 | a Leutenegger, Maurice A.4 aut |
700 | 1 | a Limousin, Olivier O.4 aut |
700 | 1 | a Loewenstein, Michael4 aut |
700 | 1 | a Long, Knox S.4 aut |
700 | 1 | a Lumb, David4 aut |
700 | 1 | a Madejski, Greg4 aut |
700 | 1 | a Maeda, Yoshitomo4 aut |
700 | 1 | a Maier, Daniel4 aut |
700 | 1 | a Makishima, Kazuo4 aut |
700 | 1 | a Markevitch, Maxim4 aut |
700 | 1 | a Matsumoto, Hironori4 aut |
700 | 1 | a Matsushita, Kyoko4 aut |
700 | 1 | a McCammon, Dan4 aut |
700 | 1 | a McNamara, Brian R.4 aut |
700 | 1 | a Mehdipour, Missagh4 aut |
700 | 1 | a Miller, Eric D.4 aut |
700 | 1 | a Miller, Jon M.4 aut |
700 | 1 | a Mineshige, Shin4 aut |
700 | 1 | a Mitsuda, Kazuhisa4 aut |
700 | 1 | a Mitsuishi, Ikuyuki4 aut |
700 | 1 | a Miyazawa, Takuya4 aut |
700 | 1 | a Mizuno, Tsunefumi4 aut |
700 | 1 | a Mori, Hideyuki4 aut |
700 | 1 | a Mori, Koji4 aut |
700 | 1 | a Mukai, Koji4 aut |
700 | 1 | a Murakami, Hiroshi4 aut |
700 | 1 | a Mushotzky, Richard F.4 aut |
700 | 1 | a Nakagawa, Takao4 aut |
700 | 1 | a Nakajima, Hiroshi4 aut |
700 | 1 | a Nakamori, Takeshi4 aut |
700 | 1 | a Nakashima, Shinya4 aut |
700 | 1 | a Nakazawa, Kazuhiro4 aut |
700 | 1 | a Norukawa, Kumiko K.4 aut |
700 | 1 | a Nobukawa, Masayoshi4 aut |
700 | 1 | a Noda, Hirofumi4 aut |
700 | 1 | a Odaka, Hirokazu4 aut |
700 | 1 | a Ogorzalek, Anna4 aut |
700 | 1 | a Ohashi, Takaya4 aut |
700 | 1 | a Ohno, Masanori4 aut |
700 | 1 | a Okajima, Takashi4 aut |
700 | 1 | a Ota, Naomi4 aut |
700 | 1 | a Ozaki, Masanobu4 aut |
700 | 1 | a Paerels, Frits4 aut |
700 | 1 | a Paltani, Stephane4 aut |
700 | 1 | a Petre, Robert4 aut |
700 | 1 | a Pinto, Ciro4 aut |
700 | 1 | a Porter, Frederick S.4 aut |
700 | 1 | a Pottschmidt, Katja4 aut |
700 | 1 | a Reynolds, Christopher S.4 aut |
700 | 1 | a Safi-Harb, Samar4 aut |
700 | 1 | a Saito, Shinya4 aut |
700 | 1 | a Sakai, Kazuhiro4 aut |
700 | 1 | a Sasaki, Toru4 aut |
700 | 1 | a Sato, Goro4 aut |
700 | 1 | a Sato, Kosuke4 aut |
700 | 1 | a Sato, Rie4 aut |
700 | 1 | a Sawada, Makoto4 aut |
700 | 1 | a Schartel, Norbert4 aut |
700 | 1 | a Serlemitsos, Peter J.4 aut |
700 | 1 | a Seta, Hiromi4 aut |
700 | 1 | a Shidatsu, Megumi4 aut |
700 | 1 | a Simionescu, Aurora4 aut |
700 | 1 | a Smith, Randall K.4 aut |
700 | 1 | a Soong, Yang4 aut |
700 | 1 | a Stawarz, Lukasz4 aut |
700 | 1 | a Sugawara, Yasuharu4 aut |
700 | 1 | a Sugita, Satoshi4 aut |
700 | 1 | a Szymkowiak, Andrew4 aut |
700 | 1 | a Tajima, Hiroyasu4 aut |
700 | 1 | a Takahashi, Hiromitsu4 aut |
700 | 1 | a Takahashi, Tadayuki4 aut |
700 | 1 | a Takeda, Shinichiro4 aut |
700 | 1 | a Takei, Yoh4 aut |
700 | 1 | a Tamagawa, Toru4 aut |
700 | 1 | a Tamura, Takayuki4 aut |
700 | 1 | a Tanaka, Takaaki4 aut |
700 | 1 | a Tanaka, Yasuo4 aut |
700 | 1 | a Tanaka, Yasuyuki T.4 aut |
700 | 1 | a Tashiro, Makoto S.4 aut |
700 | 1 | a Tawara, Yuzuru4 aut |
700 | 1 | a Terada, Yukikatsu4 aut |
700 | 1 | a Terashima, Yuichi4 aut |
700 | 1 | a Tombesi, Francesco4 aut |
700 | 1 | a Tomida, Hiroshi4 aut |
700 | 1 | a Tsuboi, Yohko4 aut |
700 | 1 | a Tsujimoto, Masahiro4 aut |
700 | 1 | a Tsunemi, Hiroshi4 aut |
700 | 1 | a Tsuru, Takeshi Go4 aut |
700 | 1 | a Uchida, Hiroyuki4 aut |
700 | 1 | a Uchiyama, Hideki4 aut |
700 | 1 | a Uchiyama, Yasunobu4 aut |
700 | 1 | a Ueda, Shutaro4 aut |
700 | 1 | a Ueda, Yoshihiro4 aut |
700 | 1 | a Uno, Shinichiro4 aut |
700 | 1 | a Urry, C. Megan4 aut |
700 | 1 | a Ursino, Eugenio4 aut |
700 | 1 | a Watanabe, Shin4 aut |
700 | 1 | a Werner, Norbert4 aut |
700 | 1 | a Wilkins, Dan R.4 aut |
700 | 1 | a Williams, Brian J.4 aut |
700 | 1 | a Yamada, Shinya4 aut |
700 | 1 | a Yamaguchi, Hiroya4 aut |
700 | 1 | a Yamaoka, Kazutaka4 aut |
700 | 1 | a Yamasaki, Noriko Y.4 aut |
700 | 1 | a Yamauchi, Makoto4 aut |
700 | 1 | a Yamauchi, Shigeo4 aut |
700 | 1 | a Yaqoob, Tahir4 aut |
700 | 1 | a Yatsu, Yoichi4 aut |
700 | 1 | a Yonetoku, Daisuke4 aut |
700 | 1 | a Zhuravleva, Irina4 aut |
700 | 1 | a Zoghbi, Abderahmen4 aut |
710 | 2 | a Stockholms universitetb Fysikum4 org |
773 | 0 | t Publications of the Astronomical Society of Japand : Oxford University Press (OUP)g 70:2q 70:2x 0004-6264x 2053-051X |
856 | 4 | u https://doi.org/10.1093/pasj/psx127y Fulltext |
856 | 4 | u https://academic.oup.com/pasj/article-pdf/70/2/10/24612261/psx127.pdf |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-157834 |
856 | 4 8 | u https://doi.org/10.1093/pasj/psx127 |
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