All papers authored by Ryo Imazawa
Refreshing results…
2023
Alok C. Gupta 
,
Pankaj Kushwaha ,
Mauri J. Valtonen ,
Sergey S. Savchenko ,
Svetlana G. Jorstad ,
Ryo Imazawa ,
Paul J. Wiita ,
Minfeng Gu ,
Alan P. Marscher ,
Zhongli Zhang ,
Rumen Bachev ,
G. A. Borman ,
Haritma Gaur ,
T. S. Grishina ,
V. A. Hagen-Thorn
and 13 other authors
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,
Pankaj Kushwaha ,
Mauri J. Valtonen ,
Sergey S. Savchenko ,
Svetlana G. Jorstad ,
Ryo Imazawa ,
Paul J. Wiita ,
Minfeng Gu ,
Alan P. Marscher ,
Zhongli Zhang ,
Rumen Bachev ,
G. A. Borman ,
Haritma Gaur ,
T. S. Grishina ,
V. A. Hagen-Thorn
and 13 other authors
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H. Abe,
K. Abe,
S. Abe,
A. Aguasca-Cabot,
I. Agudo ,
N. Alvarez Crespo,
L. A. Antonelli ,
C. Aramo ,
A. Arbet-Engels,
C. Arcaro,
M. Artero ,
K. Asano ,
P. Aubert,
A. Baktash ,
A. Bamba
and 275 other authors
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,
N. Alvarez Crespo,
L. A. Antonelli ,
C. Aramo ,
A. Arbet-Engels,
C. Arcaro,
M. Artero ,
K. Asano ,
P. Aubert,
A. Baktash ,
A. Bamba
and 275 other authors
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Jin Beniyama ,
Shigeyuki Sako ,
Katsuhito Ohtsuka ,
Tomohiko Sekiguchi ,
Masateru Ishiguro ,
Daisuke Kuroda ,
Seirato Urakawa ,
Fumi Yoshida ,
Asami Takumi,
Natsuho Maeda ,
Jun Takahashi,
Seiko Takagi ,
Hiroaki Saito ,
Tatsuya Nakaoka,
Tomoki Saito
and 4 other authors
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,
Shigeyuki Sako ,
Katsuhito Ohtsuka ,
Tomohiko Sekiguchi ,
Masateru Ishiguro ,
Daisuke Kuroda ,
Seirato Urakawa ,
Fumi Yoshida ,
Asami Takumi,
Natsuho Maeda ,
Jun Takahashi,
Seiko Takagi ,
Hiroaki Saito ,
Tatsuya Nakaoka,
Tomoki Saito
and 4 other authors
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Rishabh Singh Teja ,
Avinash Singh ,
Judhajeet Basu ,
Anirban Dutta ,
G. C. Anupama ,
D. K. Sahu ,
Vishwajeet Swain ,
Tatsuya Nakaoka,
Utkarsh Pathak ,
Varun Bhalerao ,
Sudhanshu Barway ,
Harsh Kumar ,
Nayana A. J. ,
J. Nayana A.,
Ryo Imazawa
and 2 other authors
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,
Avinash Singh ,
Judhajeet Basu ,
Anirban Dutta ,
G. C. Anupama ,
D. K. Sahu ,
Vishwajeet Swain ,
Tatsuya Nakaoka,
Utkarsh Pathak ,
Varun Bhalerao ,
Sudhanshu Barway ,
Harsh Kumar ,
Nayana A. J. ,
J. Nayana A.,
Ryo Imazawa
and 2 other authors
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Mauri J. Valtonen,
Staszek Zola ,
A. Gopakumar,
Anne Lähteenmäki,
Merja Tornikoski,
Lankeswar Dey ,
Alok C. Gupta ,
Tapio Pursimo,
Emil Knudstrup ,
Jose L. Gomez,
Rene Hudec,
Martin Jelínek,
Jan Štrobl,
Andrei V. Berdyugin,
Stefano Ciprini
and 13 other authors
,
A. Gopakumar,
Anne Lähteenmäki,
Merja Tornikoski,
Lankeswar Dey ,
Alok C. Gupta ,
Tapio Pursimo,
Emil Knudstrup ,
Jose L. Gomez,
Rene Hudec,
Martin Jelínek,
Jan Štrobl,
Andrei V. Berdyugin,
Stefano Ciprini
and 13 other authors
On the need of an ultramassive black hole in OJ 287
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Jooyeon Geem ,
Masateru Ishiguro ,
Mikael Granvik ,
Hiroyuki Naito ,
Hiroshi Akitaya ,
Tomohiko Sekiguchi ,
Sunao Hasegawa ,
Daisuke Kuroda ,
Tatsuharu Oono,
Yoonsoo P. Bach ,
Sunho Jin ,
Ryo Imazawa ,
Koji S. Kawabata ,
Seiko Takagi ,
Makoto Yoshikawa
and 6 other authors
,
Masateru Ishiguro ,
Mikael Granvik ,
Hiroyuki Naito ,
Hiroshi Akitaya ,
Tomohiko Sekiguchi ,
Sunao Hasegawa ,
Daisuke Kuroda ,
Tatsuharu Oono,
Yoonsoo P. Bach ,
Sunho Jin ,
Ryo Imazawa ,
Koji S. Kawabata ,
Seiko Takagi ,
Makoto Yoshikawa
and 6 other authors
Spectral type and geometric albedo of (98943) 2001 CC21, the Hayabusa2# mission target
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H. Abe,
S. Abe,
V. A. Acciari ,
I. Agudo ,
T. Aniello,
S. Ansoldi ,
L. A. Antonelli ,
A. Arbet-Engels ,
C. Arcaro ,
M. Artero ,
K. Asano ,
D. Baack ,
A. Babić ,
A. Baquero ,
U. Barres de Almeida
and 323 other authors
,
I. Agudo ,
T. Aniello,
S. Ansoldi ,
L. A. Antonelli ,
A. Arbet-Engels ,
C. Arcaro ,
M. Artero ,
K. Asano ,
D. Baack ,
A. Babić ,
A. Baquero ,
U. Barres de Almeida
and 323 other authors
Multimessenger Characterization of Markarian 501 during Historically Low X-Ray and γ-Ray Activity
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Takashi Horiuchi ,
Hidekazu Hanayama ,
Masatoshi Ohishi ,
Tatsuya Nakaoka,
Ryo Imazawa ,
Koji S. Kawabata ,
Jun Takahashi ,
Hiroki Onozato ,
Tomoki Saito,
Masayuki Yamanaka ,
Daisaku Nogami,
Yusuke Tampo ,
Naoto Kojiguchi,
Jumpei Ito,
Masaaki Shibata
and 13 other authors
,
Hidekazu Hanayama ,
Masatoshi Ohishi ,
Tatsuya Nakaoka,
Ryo Imazawa ,
Koji S. Kawabata ,
Jun Takahashi ,
Hiroki Onozato ,
Tomoki Saito,
Masayuki Yamanaka ,
Daisaku Nogami,
Yusuke Tampo ,
Naoto Kojiguchi,
Jumpei Ito,
Masaaki Shibata
and 13 other authors
Multicolor and multi-spot observations of Starlink’s Visorsat
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2022
Riccardo Middei ,
Ioannis Liodakis ,
Matteo Perri ,
Simonetta Puccetti ,
Elisabetta Cavazzuti ,
Laura Di Gesu,
Steven R. Ehlert ,
Grzegorz Madejski,
Alan P. Marscher ,
Herman L. Marshall ,
Fabio Muleri ,
Michela Negro ,
Svetlana G. Jorstad ,
Beatriz Agís-González ,
Iván Agudo
and 132 other authors
,
Ioannis Liodakis ,
Matteo Perri ,
Simonetta Puccetti ,
Elisabetta Cavazzuti ,
Laura Di Gesu,
Steven R. Ehlert ,
Grzegorz Madejski,
Alan P. Marscher ,
Herman L. Marshall ,
Fabio Muleri ,
Michela Negro ,
Svetlana G. Jorstad ,
Beatriz Agís-González ,
Iván Agudo
and 132 other authors
X-Ray Polarization Observations of BL Lacertae
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2021
Ryo Imazawa ,
Yasushi Fukazawa ,
Hiromitsu Takahashi
,
Yasushi Fukazawa ,
Hiromitsu Takahashi
The Study of X-Ray Flux Variability of M87
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