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Daniel R. Wik
Researcher at University of Utah
Publications - 138
Citations - 8580
Daniel R. Wik is an academic researcher from University of Utah. The author has contributed to research in topics: Galaxy & Galaxy cluster. The author has an hindex of 39, co-authored 132 publications receiving 7707 citations. Previous affiliations of Daniel R. Wik include Ohio University & Goddard Space Flight Center.
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Journal ArticleDOI
THE NUCLEAR SPECTROSCOPIC TELESCOPE ARRAY (NuSTAR) HIGH-ENERGY X-RAY MISSION
Fiona A. Harrison,William W. Craig,William W. Craig,Finn Erland Christensen,Charles J. Hailey,William W. Zhang,Steven E. Boggs,Daniel Stern,W. Rick Cook,Karl Forster,Paolo Giommi,Brian W. Grefenstette,Yunjin Kim,Takao Kitaguchi,Jason E. Koglin,Kristin K. Madsen,Peter H. Mao,Hiromasa Miyasaka,Kaya Mori,M. Perri,Michael J. Pivovaroff,Simonetta Puccetti,Vikram Rana,Niels Jørgen Stenfeldt Westergaard,J. L. Willis,Andreas Zoglauer,Hongjun An,Matteo Bachetti,Matteo Bachetti,Nicolas M. Barrière,Eric C. Bellm,Varun Bhalerao,Varun Bhalerao,Nicolai Brejnholt,Felix Fuerst,Carl Christian Liebe,Craig B. Markwardt,Melania Nynka,Julia Vogel,Dominic J. Walton,Daniel R. Wik,David M. Alexander,L. R. Cominsky,Ann Hornschemeier,Allan Hornstrup,Victoria M. Kaspi,Greg Madejski,Giorgio Matt,S. Molendi,David M. Smith,John A. Tomsick,Marco Ajello,David R. Ballantyne,Mislav Baloković,Didier Barret,Didier Barret,Franz E. Bauer,Roger Blandford,W. Niel Brandt,Laura Brenneman,James Chiang,Deepto Chakrabarty,Jérôme Chenevez,Andrea Comastri,Francois Dufour,Martin Elvis,Andrew C. Fabian,Duncan Farrah,Chris L. Fryer,Eric V. Gotthelf,Jonathan E. Grindlay,D. J. Helfand,Roman Krivonos,David L. Meier,Jon M. Miller,Lorenzo Natalucci,Patrick Ogle,Eran O. Ofek,Andrew Ptak,Stephen P. Reynolds,Jane R. Rigby,Gianpiero Tagliaferri,Stephen E. Thorsett,Ezequiel Treister,C. Megan Urry +84 more
TL;DR: The Nuclear Spectroscopic Telescope Array (NuSTAR) as discussed by the authors is the first focusing high-energy X-ray telescope in orbit, which operates in the band from 3 to 79 keV.
Journal ArticleDOI
The Nuclear Spectroscopic Telescope Array (NuSTAR) Mission
Fiona A. Harrison,William W. Craig,Finn Erland Christensen,Charles J. Hailey,W. W. Zhang,Steven E. Boggs,Daniel Stern,W. Rick Cook,Karl Forster,Paolo Giommi,Brian W. Grefenstette,Yunjin Kim,Takao Kitaguchi,Jason E. Koglin,Kristin K. Madsen,Peter H. Mao,Hiromasa Miyasaka,Kaya Mori,M. Perri,Michael J. Pivovaroff,Simonetta Puccetti,Vikram Rana,Niels Jørgen Stenfeldt Westergaard,J. L. Willis,Andreas Zoglauer,Hongjun An,Matteo Bachetti,Nicolas M. Barrière,Eric C. Bellm,Varun Bhalerao,Nicolai Brejnholt,Felix Fuerst,Carl Christian Liebe,Craig B. Markwardt,Melania Nynka,Julia Vogel,Dominic J. Walton,Daniel R. Wik,David M. Alexander,L. R. Cominsky,Ann Hornschemeier,Allan Hornstrup,Victoria M. Kaspi,Greg Madejski,Giorgio Matt,Silvano Molendi,David M. Smith,John A. Tomsick,Marco Ajello,David R. Ballantyne,Mislav Baloković,Diddier Barret,Franz E. Bauer,Roger Blandford,W. Niel Brandt,Laura Brenneman,James Chiang,Deepto Chakrabarty,Jérôme Chenevez,Andrea Comastri,Martin Elvis,Andrew C. Fabian,Duncan Farrah,Chris L. Fryer,Eric V. Gotthelf,Jonathan E. Grindlay,David J. Helfand,Roman Krivonos,David L. Meier,Jon M. Miller,Lorenzo Natalucci,Patrick Ogle,Eran O. Ofek,Andrew Ptak,Stephen P. Reynolds,Jand R. Rigby,Gianpiero Tagliaferri,Stephen E. Thorsett,Ezequiel Treister,C. Megan Urry +79 more
TL;DR: The Nuclear Spectroscopic Telescope Array (NuSTAR) as discussed by the authors is the first focusing high-energy X-ray telescope in orbit, which operates in the band from 3 - 79 keV.
Journal ArticleDOI
The quiescent intracluster medium in the core of the Perseus cluster
Felix Aharonian,Felix Aharonian,Hiroki Akamatsu,Fumie Akimoto,Steven W. Allen,Naohisa Anabuki,Lorella Angelini,Keith A. Arnaud,Keith A. Arnaud,Marc Audard,Hisamitsu Awaki,Magnus Axelsson,Aya Bamba,Marshall W. Bautz,Roger Blandford,Laura Brenneman,Gregory V. Brown,Esra Bulbul,Edward M. Cackett,Maria Chernyakova,Meng P. Chiao,Paolo De Coppi,Elisa Costantini,Jelle de Plaa,Jan-Willem den Herder,Chris Done,Tadayasu Dotani,Ken Ebisawa,Megan E. Eckart,Teruaki Enoto,Yuichiro Ezoe,Andrew C. Fabian,Carlo Ferrigno,Adam R. Foster,Ryuichi Fujimoto,Yasushi Fukazawa,Akihiro Furuzawa,Massimiliano Galeazzi,Luigi C. Gallo,Poshak Gandhi,Margherita Giustini,Andrea Goldwurm,Liyi Gu,Matteo Guainazzi,Yoshito Haba,Kouichi Hagino,Kenji Hamaguchi,Kenji Hamaguchi,Ilana M. Harrus,Ilana M. Harrus,Isamu Hatsukade,Katsuhiro Hayashi,T. Hayashi,Kiyoshi Hayashida,Junko S. Hiraga,Ann Hornschemeier,Akio Hoshino,John P. Hughes,Ryo Iizuka,Hajime Inoue,Yoshiyuki Inoue,Kazunori Ishibashi,Manabu Ishida,Kumi Ishikawa,Yoshitaka Ishisaki,Masayuki Itoh,Naoko Iyomoto,Jelle Kaastra,Timothy R. Kallman,Tuneyoshi Kamae,Erin Kara,Jun Kataoka,Satoru Katsuda,Junichiro Katsuta,Madoka Kawaharada,Nobuyuki Kawai,Richard L. Kelley,Dmitry Khangulyan,Caroline A. Kilbourne,A. L. King,Takao Kitaguchi,Shunji Kitamoto,Tetsu Kitayama,Takayoshi Kohmura,Motohide Kokubun,Shu Koyama,Katsuji Koyama,Peter Kretschmar,Hans A. Krimm,Hans A. Krimm,Aya Kubota,Hideyo Kunieda,P. Laurent,Francois Lebrun,Shiu-Hang Lee,Maurice A. Leutenegger,Olivier Limousin,Michael Loewenstein,Michael Loewenstein,Knox S. Long,David H. Lumb,Grzegorz Madejski,Yoshitomo Maeda,Daniel Maier,Kazuo Makishima,Maxim Markevitch,Hironori Matsumoto,Kyoko Matsushita,Dan McCammon,Brian R. McNamara,Missagh Mehdipour,Eric J. Miller,Jon M. Miller,Shin Mineshige,Kazuhisa Mitsuda,Ikuyuki Mitsuishi,Takuya Miyazawa,Tsunefumi Mizuno,Hideyuki Mori,Koji Mori,Harvey Moseley,Koji Mukai,Koji Mukai,Hiroshi Murakami,Toshio Murakami,Richard F. Mushotzky,Ryo Nagino,Takao Nakagawa,Hiroshi Nakajima,Takeshi Nakamori,Toshio Nakano,Shinya Nakashima,Kazuhiro Nakazawa,Masayoshi Nobukawa,Hirofumi Noda,Masaharu Nomachi,Steve O'Dell,Hirokazu Odaka,Takaya Ohashi,Masanori Ohno,Takashi Okajima,Naomi Ota,Masanobu Ozaki,Frits Paerels,Stéphane Paltani,Arvind Parmar,Robert Petre,Ciro Pinto,M. Pohl,F. Scott Porter,Katja Pottschmidt,Katja Pottschmidt,Brian D. Ramsey,Christopher S. Reynolds,Helen Russell,Samar Safi-Harb,Shinya Saito,Kazuhiro Sakai,Hiroaki Sameshima,Goro Sato,Kosuke Sato,Rie Sato,Makoto Sawada,Norbert Schartel,Peter J. Serlemitsos,Hiromi Seta,Megumi Shidatsu,Aurora Simionescu,Randall K. Smith,Yang Soong,Lukasz Stawarz,Yasuharu Sugawara,Satoshi Sugita,Andrew Szymkowiak,Hiroyasu Tajima,Hiromitsu Takahashi,Tadayuki Takahashi,Shin'ichiro Takeda,Yoh Takei,Toru Tamagawa,Keisuke Tamura,Takayuki Tamura,Takaaki Tanaka,Yasuo Tanaka,Yasuyuki T. Tanaka,Makoto Tashiro,Y. Tawara,Yukikatsu Terada,Yuichi Terashima,Francesco Tombesi,Hiroshi Tomida,Yohko Tsuboi,Masahiro Tsujimoto,Hiroshi Tsunemi,Takeshi Go Tsuru,Hiroyuki Uchida,Hideki Uchiyama,Yasunobu Uchiyama,Shutaro Ueda,Yoshihiro Ueda,Shiro Ueno,Shin'ichiro Uno,Meg Urry,Eugenio Ursino,Cor P. de Vries,Shin Watanabe,Norbert Werner,Daniel R. Wik,Daniel R. Wik,Dan R. Wilkins,Brian J. Williams,Shinya Yamada,Hiroya Yamaguchi,Kazutaka Yamaoka,Noriko Y. Yamasaki,Makoto Yamauchi,Shigeo Yamauchi,Tahir Yaqoob,Tahir Yaqoob,Yoichi Yatsu,Daisuke Yonetoku,Atsumasa Yoshida,Takayuki Yuasa,Irina Zhuravleva,Abderahmen Zoghbi +224 more
TL;DR: X-ray observations of the core of the Perseus cluster reveal a remarkably quiescent atmosphere in which the gas has a line-of-sight velocity dispersion of 164 ± 10 kilometres per second in the region 30–60 kiloparsecs from the central nucleus, infering that a total cluster mass determined from hydrostatic equilibrium in a central region would require little correction for turbulent pressure.
Journal ArticleDOI
Asymmetries in core-collapse supernovae from maps of radioactive 44Ti in Cassiopeia A.
Brian W. Grefenstette,Fiona A. Harrison,Steven E. Boggs,Stephen P. Reynolds,Chris L. Fryer,K. K. Madsen,Daniel R. Wik,Andreas Zoglauer,C. I. Ellinger,D. M. Alexander,Hongjun An,Didier Barret,Didier Barret,Finn Erland Christensen,Walter Craig,Walter Craig,K. Forster,Paolo Giommi,C. J. Hailey,Allan Hornstrup,V. M. Kaspi,Takao Kitaguchi,Jason E. Koglin,Peter H. Mao,Hiromasa Miyasaka,K. Mori,M. Perri,M. Perri,M. J. Pivovaroff,Simonetta Puccetti,Simonetta Puccetti,Vikram Rana,D. Stern,Niels Jørgen Stenfeldt Westergaard,W. W. Zhang +34 more
TL;DR: The observed spatial distribution rules out symmetric explosions even with a high level of convective mixing, as well as highly asymmetric bipolar explosions resulting from a fast-rotating progenitor, providing strong evidence for the development of low-mode convective instabilities in core-collapse supernovae.
Journal ArticleDOI
NuSTAR observations of the bullet cluster: constraints on inverse Compton emission
Daniel R. Wik,Daniel R. Wik,Allan Hornstrup,Silvano Molendi,Grzegorz Madejski,Fiona A. Harrison,Andreas Zoglauer,Brian W. Grefenstette,Fabio Gastaldello,Kristin K. Madsen,Niels Jørgen Stenfeldt Westergaard,Desiree Della Monica Ferreira,Takao Kitaguchi,Kristian Pedersen,Steven E. Boggs,Finn E. Christensen,William W. Craig,William W. Craig,Charles J. Hailey,Daniel Stern,William W. Zhang +20 more
TL;DR: In this article, a complete background model constructed of physically inspired components constrained by extragalactic survey field observations is presented, the specific parameters of which are derived locally from data in non-source regions of target observations.