Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Lewis M. Cook"'
Autor:
David R. Skillman, Gordon Myers, Richard Sabo, Robert Koff, Enrique de Miguel, Kenneth Menzies, Geoffrey Stone, Yenal Ogmen, George Roberts, Jonathan Kemp, Lewis M. Cook, Joseph Patterson, Jim Seargeant, Thomas Krajci, Donn R. Starkey, Tonny Vanmunster, Helena Uthas, Jerry Foote, D. Slauson, James W. Jones, Michael Potter, Tut Campbell
Publikováno v:
NASA Astrophysics Data System
We report a long-term (1961-2017) study of the eclipse times in the dwarf nova WZ Sagittae, in an effort to learn its rate of orbital-period change. Some wiggles with a time scale of 20-50 years are apparent, and a connection with the 23-year interva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70a2e8e9a167542dfda6e3d0a82acf43
Autor:
Ava E. Covington, Aarran W. Shaw, Koji Mukai, Colin Littlefield, Craig O. Heinke, Richard M. Plotkin, Doug Barrett, James Boardman, David Boyd, Stephen M. Brincat, Rolf Carstens, Donald F. Collins, Lewis M. Cook, Walter R. Cooney, David Cejudo Fernández, Sjoerd Dufoer, Shawn Dvorak, Charles Galdies, William Goff, Franz-Josef Hambsch, Steve Johnston, Jim Jones, Kenneth Menzies, Libert A. G. Monard, Etienne Morelle, Peter Nelson, Yenal Ögmen, John W. Rock, Richard Sabo, Jim Seargeant, Geoffrey Stone, Joseph Ulowetz, Tonny Vanmunster
We present optical photometry of six intermediate polars that exhibit transitions to a low-flux state. For four of these systems, DW Cnc, V515 And, V1223 Sgr, and RX J2133.7+5107, we are able to perform timing analysis in and out of the low states. W
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7b993d45ec565af56ad0ec412686dcb
https://www.um.edu.mt/library/oar/handle/123456789/96934
https://www.um.edu.mt/library/oar/handle/123456789/96934
Autor:
Matt A. Wood, S. Lowther, James W. Jones, Berto Monard, David R. Skillman, Joseph Ulowetz, Jennie McCormick, Emir Karamehmetoglu, George Roberts, Jim Seargeant, Kenneth Menzies, Tut Campbell, Geoffrey Stone, Lewis M. Cook, Joseph Patterson, Helena Uthas, William N. Goff, Tonny Vanmunster, Gordon Myers, D. Cejudo, Robert Rea, Franz-Josef Hambsch, Greg Bolt, Jonathan Kemp, William Stein, Shawn Dvorak, Enrique de Miguel, Thomas Krajci
Publikováno v:
Patterson, J, De Miguel, E, Kemp, J, Dvorak, S, Monard, B, Hambsch, F J, Vanmunster, T, Skillman, D R, Cejudo, D, Campbell, T, Roberts, G, Jones, J, Cook, L M, Bolt, G, Rea, R, Ulowetz, J, Krajci, T, Menzies, K, Lowther, S, Goff, W, Stein, W, Wood, M A, Myers, G, Stone, G, Uthas, H, Karamehmetoglu, E, Seargeant, J & Mccormick, J 2020, ' The Spin-period History of Intermediate Polars ', Astrophysical Journal, vol. 897, no. 1, 70 . https://doi.org/10.3847/1538-4357/ab863d
Arias Montano. Repositorio Institucional de la Universidad de Huelva
instname
Arias Montano. Repositorio Institucional de la Universidad de Huelva
instname
We report the detailed history of spin-period changes in five intermediate polars (DQ Herculis, AO Piscium, FO Aquarii, V1223 Sagittarii, and BG Canis Minoris) during the 30-60 years since their original discovery. Most are slowly spinning up, althou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d31025010a360b620c34dab40b79ed78
https://pure.au.dk/portal/da/publications/the-spinperiod-history-of-intermediate-polars(13b13c35-d2d0-4474-ac71-96f107c8ef60).html
https://pure.au.dk/portal/da/publications/the-spinperiod-history-of-intermediate-polars(13b13c35-d2d0-4474-ac71-96f107c8ef60).html
Autor:
Gianluca Masi, Hiroyuki Maehara, Domenico Licchelli, Julia V. Babina, Enrique de Miguel, Javier Ruiz, Yasuyuki Wakamatsu, Roger D. Pickard, J. V. Shields, Francisco Soldan, Hideo Nishimura, Yutaka Maeda, Igor Kudzej, Rod Stubbings, Pavol A. Dubovsky, Berto Monard, Nikolaj V. Pit, D. Denisenko, Shizuo Kaneko, Franz-Josef Hambsch, Peter Nelson, Geoff Stone, Thomas W.-S. Holoien, Greg Bolt, Oksana I. Antonyuk, Shawn Dvorak, Jose L. Prieto, Maksim V. Andreev, Shigehisa Fujikawa, Kenneth Menzies, Peter Starr, Anna M. Zaostrojnykh, Elena P. Pavlenko, Yenal Ogmen, Mariko Kimura, Richard Sabo, A. Sergeev, Taichi Kato, Hiroshi Itoh, Kirill A. Antonyuk, Gary Poyner, Aleksei V. Baklanov, Lewis M. Cook, Sergey Yu. Shugarov, Ian Miller, Natalia Katysheva, V. Vasylenko, Keisuke Isogai, Drahomir Chochol, Krzysztof Z. Stanek, Kiyoshi Kasai, Kazuhiro Nakajima, P. Golysheva, Aleksei A. Sosnovskij, Seiichiro Kiyota, Christopher S. Kochanek, A. M. Zubareva, A. Simon, Colin Littlefield, Masayuki Moriyama, Tomas Medulka, Tamás Tordai, Benjamin J. Shappee, Stephen M. Brincat, Eddy Muyllaert, Gordon Myers, Patrick Schmeer, Tonny Vanmunster, Ryuhei Ohnishi, Tadashi Kojima
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
arXiv:1911.04645v2
et al.
Continuing the project described by Kato et al. (2009, PASJ, 61, S395), we collected times of superhump maxima for 102 SU UMa-type dwarf novae observed mainly during the 2017 season, and characterized these objects
et al.
Continuing the project described by Kato et al. (2009, PASJ, 61, S395), we collected times of superhump maxima for 102 SU UMa-type dwarf novae observed mainly during the 2017 season, and characterized these objects
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ec513041405d8aec2d890711b3eb4a9
http://hdl.handle.net/10261/222010
http://hdl.handle.net/10261/222010
Autor:
Kiyoshi Kasai, Naoto Kojiguchi, Julia V. Babina, Lewis M. Cook, Atsushi Miyashita, Enrique de Miguel, Elena P. Pavlenko, Pavol A. Dubovsky, Keisuke Isogai, Yutaka Maeda, Katsura Matsumoto, Yuki Sugiura, Seiichiro Kiyota, William N. Goff, Hiroshi Itoh, Megumi Shidatsu, Igor Kudzej, Mariko Kimura, Daisaku Nogami, Tamás Tordai, Roger D. Pickard, Hyungsuk Tak, Taiki Tatsumi, Taichi Kato, William Stein, Aleksei A. Sosnovskij, Eiji Yamada
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 475:3083-3085
We present optical multi-colour photometry of V404 Cyg during the outburst from December, 2015 to January, 2016 together with the simultaneous X-ray data. This outburst occurred less than 6 months after the previous outburst in June–July, 2015. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0e12691aed1e9e809c0c2b9d1f55996
https://doi.org/10.1093/mnras/stx3365
https://doi.org/10.1093/mnras/stx3365
Autor:
Daisaku Nogami, Franz-Josef Hambsch, Peter Starr, Lewis M. Cook, Gordon Myers, Keisuke Isogai, Berto Monard, Taichi Kato
In 2015 and 2017, the AM CVn candidate NSV 1440 showed superoutbursts having the characteristic features of WZ Sge-type dwarf novae (DNe). By analogy with hydrogen-rich cataclysmic variables (CVs), we can interpret these outbursts as `double superout
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00159e4ee24f956bc2754776216495c6
Autor:
Stephen M. Brincat, Enrique de Miguel, Richard Sabo, John Briol, Valery Tsehmeystrenko, B. Harris, Jean-Francois Gout, Franz-Josef Hambsch, Colin Littlefield, Charles Galdies, Greg Bolt, Jonathan Kemp, Nathan Krumm, D. Lemay, Teofilo Arranz Heras, George Sjoberg, Jeff Thrush, Gordon Myers, Emmanuel Kardasis, Michel Bonnardeau, Velimir A. Popov, Emil Pellett, Rob Solomon, Daniel Coulter, Robert A. Stiller, G. Walker, Geoffrey Stone, Stefano Padovan, Roger D. Pickard, Joseph Patterson, Peter F. Nelson, William Stein, James R. Foster, Peter M. Garnavich, Michelle Dadighat, Andre Debackere, Kevin B. Alton, Tonny Vanmunster, James Boardman, David Cejudo Fernandez, K. Graham, Mark Kennedy, Brad Vietje, William N. Goff, Pablo Lewin, Bradley S. Walter, Lewis M. Cook, David J. Lane, Shawn Dvorak
Publikováno v:
Arias Montano. Repositorio Institucional de la Universidad de Huelva
instname
instname
The intermediate polar FO Aquarii (FO Aqr) experienced its first-reported low-accretion states in 2016, 2017, and 2018, and using newly available photographic plates, we identify pre-discovery low states in 1965, 1966, and 1974. The primary focus of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5202c566b7c48cc79457e9915f59a77
Autor:
Kirill A. Antonyuk, Taichi Kato, Takafumi Hori, Julia V. Babina, Kem H Cook, Teruaki Enoto, Elena D. Mazaeva, Matthew J. Lehner, Yutaka Maeda, M. Andreev, Kiyoshi Kasai, Tim Axelrod, Nikolai V. Pit, Lewis M. Cook, Wen Ping Chen, Atsushi Miyashita, Alina A. Volnova, J.-H. Wang, Naoto Kojiguchi, Yong-Ik Byun, Typhoon Lee, Megan E. Schwamb, Roger D. Pickard, Tamás Tordai, I. Reva, S. L. Marshall, Enrique de Miguel, Ian Miller, Hiromitsu Takahashi, R. Ishioka, Pavol A. Dubovsky, S. Schmalz, S. K. King, Oksana I. Antonyuk, Katsura Matsumoto, Z. W. Zhang, Yuki Sugiura, Akira Imada, Javier Ruiz, Igor Molotov, Colin Littlefield, Alexei Pozanenko, Federica B. Bianco, Megumi Shidatsu, Aleksei A. Sosnovskij, Nicholas D. James, Yoshihiro Ueda, Charles Alcock, Eiji Yamada, Sergei P. Belan, Makoto Uemura, Keisuke Isogai, Michael Richmond, Seiichiro Kiyota, Dae-Won Kim, William N. Goff, Satoshi Nakahira, William Stein, Shiang-Yu Wang, Mariko Kimura, Elena P. Pavlenko, Ying-Tung Chen, Daisaku Nogami, Aleksei V. Baklanov, C. Y. Wen, R. Inasaridze, Nao Takeda, N. Tungalag
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
arXiv:1607.06195v1.-- et al.
How black holes accrete surrounding matter is a fundamental yet unsolved question in astrophysics. It is generally believed that matter is absorbed into black holes via accretion disks, the state of which depends pri
How black holes accrete surrounding matter is a fundamental yet unsolved question in astrophysics. It is generally believed that matter is absorbed into black holes via accretion disks, the state of which depends pri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d5ba98df9836599a78c6baa40bf0b2d
http://hdl.handle.net/2433/203010
http://hdl.handle.net/2433/203010
Autor:
Katsura Matsumoto, Elena P. Pavlenko, O. V. Vozyakova, Kenzo Kinugasa, Lewis M. Cook, Richard Sabo, Satoshi Honda, R. Ishioka, Sergey Yu. Shugarov, Michael Richmond, Hiroshi Itoh, Taichi Kato, Hiroyuki Maehara, Hikaru Taguchi, Stephen M. Brincat, Mariko Kimura, Raul Michel, Roger D. Pickard, Daisaku Nogami, Nikolai V. Pit, Natalia Katysheva, Kazuhiro Nakajima, Yuki Sugiura, Osamu Hashimoto, Tamás Tordai, Kenji Tanabe, Oksana I. Antonyuk, Geoff Stone, Seiichiro Kiyota, Berto Monard, William N. Goff, Aleksei A. Sosnovskij, Kenta Yamamura, Ian Miller, Shihei Tei, Colin Littlefield, P. Golysheva, Naoto Kojiguchi
Publikováno v:
Publications of the Astronomical Society of Japan. 70
There are several peculiar long-period dwarf-nova like objects, which show rare, low-amplitude outbursts with highly ionized emission lines. 1SWASP J162117$+$441254, BD Pav, and V364 Lib belong to this kind of objects. Some researchers even doubt whe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1da7c9aced2cd55ab9b58b682f4ad517
https://doi.org/10.1093/pasj/psy073
https://doi.org/10.1093/pasj/psy073
We observed the deeply eclipsing SU UMa-type dwarf nova V4140 Sgr and established the very short supercycle of 69.7(3) d. There were several short outbursts between superoutbursts. These values, together with the short orbital period (0.06143 d), wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f91d52dc7d03779d6a05b1b60a7a81b8
http://arxiv.org/abs/1804.02107
http://arxiv.org/abs/1804.02107