All papers authored by Kohei Ichikawa
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2019
Kohei Ichikawa 
,
Taiki Kawamuro ,
Megumi Shidatsu,
Claudio Ricci ,
Hyun-Jin Bae ,
Kenta Matsuoka ,
Jaejin Shin,
Yoshiki Toba ,
Junko Ueda,
Yoshihiro Ueda
,
Taiki Kawamuro ,
Megumi Shidatsu,
Claudio Ricci ,
Hyun-Jin Bae ,
Kenta Matsuoka ,
Jaejin Shin,
Yoshiki Toba ,
Junko Ueda,
Yoshihiro Ueda
NuSTAR Discovery of Dead Quasar Engine in Arp 187
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Yoshiki Toba ,
Takuji Yamashita ,
Tohru Nagao ,
Wei-Hao Wang ,
Yoshihiro Ueda ,
Kohei Ichikawa ,
Toshihiro Kawaguchi,
Masayuki Akiyama ,
Bau-Ching Hsieh ,
Masaru Kajisawa ,
Chien-Hsiu Lee ,
Yoshiki Matsuoka,
Akatoki Noboriguchi ,
Masafusa Onoue ,
Malte Schramm
and 2 other authors
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,
Takuji Yamashita ,
Tohru Nagao ,
Wei-Hao Wang ,
Yoshihiro Ueda ,
Kohei Ichikawa ,
Toshihiro Kawaguchi,
Masayuki Akiyama ,
Bau-Ching Hsieh ,
Masaru Kajisawa ,
Chien-Hsiu Lee ,
Yoshiki Matsuoka,
Akatoki Noboriguchi ,
Masafusa Onoue ,
Malte Schramm
and 2 other authors
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Kohei Ichikawa ,
Claudio Ricci ,
Yoshihiro Ueda ,
Franz E. Bauer ,
Taiki Kawamuro ,
Michael J. Koss ,
Kyuseok Oh ,
David J. Rosario ,
T. Taro Shimizu ,
Marko Stalevski ,
Lindsay Fuller,
Christopher Packham,
Benny Trakhtenbrot
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,
Claudio Ricci ,
Yoshihiro Ueda ,
Franz E. Bauer ,
Taiki Kawamuro ,
Michael J. Koss ,
Kyuseok Oh ,
David J. Rosario ,
T. Taro Shimizu ,
Marko Stalevski ,
Lindsay Fuller,
Christopher Packham,
Benny Trakhtenbrot
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Enrique Lopez-Rodriguez ,
Lindsay Fuller,
Almudena Alonso-Herrero ,
Andreas Efstathiou ,
Kohei Ichikawa ,
Nancy A. Levenson,
Chris Packham,
James Radomski,
Cristina Ramos Almeida ,
Dominic J. Benford ,
Marc Berthoud,
Ryan Hamilton ,
Doyal Harper,
Attila Kovávcs,
Fabio P. Santos
and 2 other authors
,
Lindsay Fuller,
Almudena Alonso-Herrero ,
Andreas Efstathiou ,
Kohei Ichikawa ,
Nancy A. Levenson,
Chris Packham,
James Radomski,
Cristina Ramos Almeida ,
Dominic J. Benford ,
Marc Berthoud,
Ryan Hamilton ,
Doyal Harper,
Attila Kovávcs,
Fabio P. Santos
and 2 other authors
The Emission and Distribution of Dust of the Torus of NGC 1068
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E. Lopez-Rodriguez,
A. Alonso-Herrero,
T. Diaz-Santos ,
O. Gonzalez-Martin,
K. Ichikawa ,
N. A. Levenson,
M. Martinez-Paredes ,
R. Nikutta,
C. Packham,
E. Perlman,
C. Ramos Almeida ,
J. M. Rodriguez-Espinosa,
C. M. Telesco
,
O. Gonzalez-Martin,
K. Ichikawa ,
N. A. Levenson,
M. Martinez-Paredes ,
R. Nikutta,
C. Packham,
E. Perlman,
C. Ramos Almeida ,
J. M. Rodriguez-Espinosa,
C. M. Telesco
The origin of the mid-infrared nuclear polarization of active galactic nuclei
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2017
C. Ricci ,
B. Trakhtenbrot ,
M. J. Koss ,
Y. Ueda ,
I. Del Vecchio ,
E. Treister ,
K. Schawinski ,
S. Paltani ,
K. Oh ,
I. Lamperti ,
S. Berney,
P. Gandhi ,
K. Ichikawa ,
F. E. Bauer ,
L. C. Ho
and 6 other authors
,
B. Trakhtenbrot ,
M. J. Koss ,
Y. Ueda ,
I. Del Vecchio ,
E. Treister ,
K. Schawinski ,
S. Paltani ,
K. Oh ,
I. Lamperti ,
S. Berney,
P. Gandhi ,
K. Ichikawa ,
F. E. Bauer ,
L. C. Ho
and 6 other authors
BAT AGN Spectroscopic Survey. V. X-Ray Properties of theSwift/BAT 70-month AGN Catalog
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Michael Koss ,
Benny Trakhtenbrot ,
Claudio Ricci ,
Isabella Lamperti ,
Kyuseok Oh ,
Simon Berney,
Kevin Schawinski ,
Mislav Baloković ,
Linda Baronchelli,
D. Michael Crenshaw ,
Travis Fischer ,
Neil Gehrels,
Fiona Harrison ,
Yasuhiro Hashimoto,
Drew Hogg
and 9 other authors
,
Benny Trakhtenbrot ,
Claudio Ricci ,
Isabella Lamperti ,
Kyuseok Oh ,
Simon Berney,
Kevin Schawinski ,
Mislav Baloković ,
Linda Baronchelli,
D. Michael Crenshaw ,
Travis Fischer ,
Neil Gehrels,
Fiona Harrison ,
Yasuhiro Hashimoto,
Drew Hogg
and 9 other authors
BAT AGN Spectroscopic Survey. I. Spectral Measurements, Derived Quantities, and AGN Demographics
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Kohei Ichikawa ,
Christopher Packham,
Andrés Asensio Ramos ,
Cristina Ramos Almeida ,
Enrique Lopez-Rodriguez,
Almudena Alonso-Herrero,
Omaira González-Martín,
Yoshihiro Ueda,
Tanio Díaz-Santos ,
Masatoshi Imanishi,
Moshe Elitzur ,
Nancy A. Levenson,
Sebastian F. Hönig,
Rachel E. Mason,
Eric S. Perlman
and 1 other authors
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,
Christopher Packham,
Andrés Asensio Ramos ,
Cristina Ramos Almeida ,
Enrique Lopez-Rodriguez,
Almudena Alonso-Herrero,
Omaira González-Martín,
Yoshihiro Ueda,
Tanio Díaz-Santos ,
Masatoshi Imanishi,
Moshe Elitzur ,
Nancy A. Levenson,
Sebastian F. Hönig,
Rachel E. Mason,
Eric S. Perlman
and 1 other authors
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