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Browsing by Author "Matsumoto, K"

Browsing by Author "Matsumoto, K"

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  • Authenticating the presence of a relativistic massive black hole binary in OJ 287 using Its general relativity centenary flare: improved orbital parameters 
    Dey, L; Valtonen, M. J; Gopakumar, A; Zola, S; Hudec, R; Pihajoki, P; Ciprini, S; Matsumoto, K; Sadakane, K; Kidger, M; Nilsson, K; Mikkola, S; Sillanpaa, A; Takalo, L. O; Lehto, H. J; Berdyugin, A; Piirola, V; Jermak, H; Baliyan, K. S; Pursimo, T; Caton, D. B; Alicavus, F; Baransky, A; Blay, P; Boumis, P; Boyd, D; Campas Torrent, M; Campos, F; Carrillo Gomez, J; Chandra, S; Chavushyan, V; Dalessio, J; Debski, B; Drozdz, M; Er, H; Erdem, A; Escartin Perez, A; Fallah Ramazani, V; Filippenko, A. V; Gafton, E; Ganesh, S; Garcia, F; Gazeas, K; Godunova, V; Gomez Pinilla, F; Maheswar, G; Haislip, J. B; Harmanen, J; Hurst, G; Janik, J; Jelinek, M; Joshi, A; Kagitani, M; Karjalainen, R; Kaur, N; Keel, W. C; Kouprianov, V. V; Kundera, T; Kurowski, S; Kvammen, A; LaCluyze, A. P; Lee, B. C; Liakos, A; Lindfors, E; Lozano de Haro, J; Mugrauer, M; Naves Nogues, R; Neely, A. W; Nelson, R. H; Ogloza, W; Okano, S; Pajdosz-Smierciak, U; Pandey, J. C; Perri, M; Poyner, G; Provencal, J; Raj, A; and 27 co-authors (IOP Publishing, 2018-10-10)
    Results from regular monitoring of relativistic compact binaries like PSR 1913+16 are consistent with the dominant (quadrupole) order emission of gravitational waves (GWs). We show that observations associated with the ...
  • Breaking the Habit: The Peculiar 2016 Eruption of the Unique Recurrent Nova M31N 2008-12a 
    Henze, M; Darnley, M. J; Williams, S. C; Kato, M; Hachisu, I; Anupama, G. C; Arai, A; Boyd, D; Burke, D; Ciardullo, R; Chinetti, K; Cook, L. M; Cook, M. J; Erdman, P; Gao, X; Harris, B; Hartmann, D. H; Hornoch, K; Chuck Horst, J; Hounsel, R; Husar, D; Itagaki, K; Kabashima, F; Kafka, S; Kaur, A; Kiyota, S; Kojiguchi, N; Kučáková, H; Kuramoto, K; Maehara, H; Mantero, A; Masci, F. J; Matsumoto, K; Naito, H; Ness, J. U; Nishiyama, K; Oksanen, A; Osborne, J. P; Page, K. L; Paunzen, E; Pavana, M; Pickard, R; Prieto-Arranz, J; Rodríguez-Gil, P; Sala, G; Sano, Y; Shafter, A. W; Sugiura, Y; Tan, H; Tordai, T; Vraštil, J; Wagner, R. M; Watanabe, F; Williams, B. F; Bode, M. F; Bruno, A; Buchheim, B; Crawford, T; Goff, B; Hernanz, M; Igarashi, A. S; José, J; Motta, M; O’Brien, T. J; Oswalt, T; Poyner, G; Ribeiro, V. A. R. M; Sabo, R; Shara, M.M; Shears, J; Starkey, D; Starrfield, S; Woodward, C. E (IOP Publishing, 2018-04-10)
    which is the most promising candidate for the single-degenerate progenitor of a Type Ia supernova known to date. The previous three eruptions of M31N 2008-12a have displayed remarkably homogeneous multiwavelength properties: ...
  • Breaking the habit: the peculiar 2016 eruption of the unique recurrent nova M31N 2008-12a 
    Henze, M; Darnley, M. J; Williams, S. C; Kato, M M; Hachisu, I; Anupama, G. C; Arai, A; Boyd, D; Burke, D; Ciardullo, R; Chinetti, K; Cook, L. M; Cook, M. J; Erdman, P; Gao, X; Harris, B; Hartmann, D. H; Hornoch, K; Chuck Horst, J; Hounsel, R; Husar, D; Itagaki, K; Kabashima, F; Kafka, S; Kaur, A; Kiyota, S; Kojiguchi, N; Kucakova, H; Kuramoto, K; Maehara, H; Mantero, A; Masci, F. J; Matsumoto, K; Naito, H; Ness, J.-U; Nishiyama, K; Oksanen, A; Osborne, J. P; Page, K. L; Paunzen, E; Pavana, M; Pickard, R; Prieto-Arranz, J; Rodri­guez-Gil, P; Sala, G; Sano, Y; Shafter, A. W; Sugiura, Y; Tan, H; Tordai, T; Vrastil, J; 22 others (IOP Publishing, 2018-04-10)
    Since its discovery in 2008, the Andromeda galaxy nova M31N 2008-12a has been observed in eruption every single year. This unprecedented frequency indicates an extreme object, with a massive white dwarf and a high accretion ...
  • Host galaxy magnitude of OJ 287 from its colours at minimum light 
    Valtonen, Mauri J; Dey, Lankeswar; Zola, S; Ciprini, S; Kidger, M; Pursimo, T; Gopakumar, A; Matsumoto, K; Sadakane, K; Caton, D. B; Nilsson, K; Komossa, S; Bagaglia, M; Baransky, A; Boumis, P; Boyd, D; Castro-Tirado, A. J; Debski, B; Drozdz, M; Perez, A. Escartin; Fiorucci, M; Garcia, F; Gazeas, K; Ghosh, S; Godunova, V; Gomez, J. L; Gredel, R; Grupe, D; Haislip, J. B; Henning, T; Hurst, G; Janík, J; Kouprianov, V. V; Lehto, H; Liakos, A; Mathur, S; Mugrauer, M; Nogues, R. Naves; Nucciarelli, G; Ogloza, W; Ojha, D. K; Pajdosz-Śmierciak, U; Pascolini, S; Poyner, G; Reichart, D. E; Rizzi, N; Roncella, F; Sahu, D. K; Sillanpää, A; Simon, A; Siwak, M; Alfaro, F. C. Soldán; Sonbas, E; Tosti, G; Vasylenko, V; Webb, J. R; Zielinski, P (Oxford University Press on behalf of Royal Astronomical Society, 2022-08)
    OJ 287 is a BL Lacertae type quasar in which the active galactic nucleus (AGN) outshines the host galaxy by an order of magnitude. The only exception to this may be at minimum light when the AGN activity is so low that ...
  • Photometric and polarimetric observations of fast declining Type II supernovae 2013hj and 2014G 
    Bose, S; Kumar, B; Misra, K; Matsumoto, K; Brajesh Kumar; Singh, M; Fukushima, D; Kawabata, M (Oxford University Press on behalf of the Royal Astronomical Society, 2016-01)
    We present broad-band photometric and polarimetric observations of two Type II supernovae (SNe) 2013hj and 2014G. SN 2014G is a spectroscopically classified Type IIL event, which we also confirm photometrically because ...
  • A search for QPOs in the lazar OJ287: preliminary results from the 2015/2016 observing campaign 
    Zola, S; Valtonen, M; Bhatta, G; Goyal, A; Debski, B; Baran, A; Krzesinski, J; Siwak, M; Ciprini, S; Gopakumar, A; Jermak, H; Nilsson, K; Reichart, D; Matsumoto, K; Sadakane, K; Gazeas, K; Kidger, M; Piirola, V; Alicavus, F; Baliyan, K. S; Berdyugin, A; Boyd, D; Campas Torrent, M; Campos, F; Carrillo G-mez, J; Caton, D. B; Chavushyan, V; Dalessio, J; Dimitrov, D; Drozdz, M; Er, H; Erdem, A; Escartin Perez, A; Fallah Ramazani, V; Filippenko, A. V; Garcia, F; Gomez Pinilla, F; Maheswar, G; Haislip, J. B; Harmanen, J; Hudec, R; Hurst, G; Ivarsen, K. M; Jelinek, M; Joshi, A; Kagitan, M; Kaur, N; Keel, W. C; LaCluyze, A. P; Lee, B. C; Lindfors, E; Lozano de Haro, J; Moore, J. P; Mugrauer, M; Naves Nogues, R; Neely, A. W; Nelson, R. H; Ogloza, W; Okano, S; Pandey, J. C; Perri, M; Pihajoki, P; Poyner, G; Provencal, J; Pursimo, T; Raj, A; 29 others (Molecular Diversity Preservation International, 2016-12)
    We analyse the light curve in the R band of the blazar OJ287, gathered during the 2015/2016 observing season. We did a search for quasi-periodic oscillations (QPOs) using several methods over a wide range of timescales. ...
  • Stochastic modeling of multiwavelength variability of the classical BL Lac Object OJ 287 on timescales ranging from decades to hours 
    Goyal, A; Stawarz, L; Zola, S; Marchenko, V; Soida, M; Nilsson, K; Ciprini, S; Baran, A; Ostrowski, M; Wiita, P. J; Gopal-Krishna; iemiginowska, A; Sobolewska, M; Jorstad, S; Marscher, A; Aller, M. F; Aller, H. D; Hovatta, T; Caton, D. B; Reichart, D; Matsumoto, K; Sadakane, K; Gazeas, K; Kidger, M; Piirola, V; Jermak, H; Alicavus, F; Baliyan, K. S; Baransky, A; Berdyugin, A; Blay, P; Boumis, P; Boyd, D; Bufan, Y; Campas Torrent, M; Campos, F; Carrillo Gomez, J; Dalessio, J; Debski, B; Dimitrov, D; Drozdz, M; Er, H; Erdem, A; Escartin Perez, A; Fallah Ramazani, V; Filippenko, A. V; Gafton, E; Garcia, F; Godunova, V; Gomez Pinilla, F; Maheswar, G; Haislip, J. B; Haque, S; Harmanen, J; Hudec, R; Hurst, G; Ivarsen, K. M; Joshi, A; Kagitani, M; Karaman, N; Karjalainen, R; Kaur, N; Koziel-Wierzbowska, D; Kuligowska, E; Kundera, T; Kurowski, S; Kvammen, A; LaCluyze, A. P; Lee, B. C; Liakos, A; Lozano de Haro, J; Moore, J. P; Mugrauer, M; Naves Nogues, R; Neely, A. W; Ogloza, W; Okano, S; Pajdosz, U; Pandey, J. C; Perri, M; Poyner, G; Provencal, J; Pursimo, T; Raj, A; and 29 co-authors (IOP Publishing, 2018-08-20)
    We present the results of our power spectral density analysis for the BL Lac object OJ 287, utilizing the Fermi-LAT survey at high-energy γ-rays, Swift-XRT in X-rays, several ground-based telescopes and the Kepler satellite ...

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