Niinuma Kotaro

J-GLOBAL         Last updated: Nov 8, 2019 at 15:24
 
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Name
Niinuma Kotaro
E-mail
niinumayamaguchi-u.ac.jp
Affiliation
Yamaguchi University
Section
Graduate School of Science and Engineering Natural Sciences and Mathematics(Science)
Job title
Associate Professor
Degree
Ph.D (Sci)(Waseda University)
Research funding number
30434260

Academic & Professional Experience

 
Apr 2016
 - 
Today
Associate Professor, Graduate School of Sciences and Technology for Innovation, Yamaguchi University
 
Oct 2014
 - 
Mar 2016
Associate Professor, Yamaguchi University, Graduate School of Science and Engineering
 
Apr 2012
 - 
Sep 2014
Assistant Professor, Yamaguchi University, Graduate School of Science and Engineering
 
Oct 2011
 - 
Mar 2012
Assistant Professor, Yamaguchi University, Graduate School of Science and Engineering
 
Apr 2009
 - 
Sep 2011
Postdoctoral Fellow, Mizusawa VLBI Observatory, National Astronomical Observatory of Japan
 

Published Papers

 
Park, Jongho; Hada, Kazuhiro; Kino, Motoki; Nakamura, Masanori; Hodgson, Jeffrey; Ro, Hyunwook; Cui, Yuzhu; Asada, Keiichi; Algaba, Juan-Carlos; Sawada-Satoh, Satoko; Lee, Sang-Sung; Cho, Ilje; Shen, Zhiqiang; Jiang, Wu; Trippe, Sascha; Niinuma, Kotaro; Sohn, Bong Won; Jung, Taehyun; Zhao, Guang-Yao; Wajima, Kiyoaki Tazaki, Fumie; Honma, Mareki; An, Tao; Akiyama, Kazunori; Byun, Do-Young; Kim, Jongsoo; Zhang, Yingkang; Cheng, Xiaopeng; Kobayashi, Hideyuki; Shibata, Katsunori M.; Lee, Jee Won; Roh, Duk-Gyoo; Oh, Se-Jin; Yeom, Jae-Hwan; Jung, Dong-Kyu; Oh, Chungsik; Kim, Hyo-Ryoung; Hwang, Ju-Yeon; Hagiwara, Yoshiaki
The Astrophysical Journal   in press    Nov 2019   [Refereed]
Shoko Koyama, Motoki Kino, Akihiro Doi, Kotaro Niinuma, Marcello Giroletti, David Paneque, Kazunori Akiyama, Gabriele Giovannini, Guang-Yao Zhao, Eduardo Ros, Jun Kataoka, Monica Orienti, Kazuhiro Hada, Hiroshi Nagai, Naoki Isobe, Hideyuki Kobayashi, Mareki Honma, Rocco Lico
The Astrophysical Journal   884(2) 132   Oct 2019   [Refereed]
Nagoshi, Halca; Kubose, Yuzo; Fujisawa, Kenta; Sorai, Kazuo; Yonekura, Yoshinori; Sugiyama, Koichiro; Niinuma, Kotaro; Motogi, Kazuhito; Aoki, Takahiro
Publications of the Astronomical Society of Japan   71 80   Aug 2019   [Refereed]
Morokuma-Matsui, Kana; Morokuma, Tomoki; Tominaga, Nozomu; Hatsukade, Bunyo; Hayashi, Masao; Tamura, Yoichi; Matsuda, Yuichi; Motogi, Kazuhito; Niinuma, Kotaro; Konishi, Masahiro
The Astrophysical Journal Letters   879 L13   Jul 2019   [Refereed]
Lee, Taeseok; Trippe, Sascha; Kino, Motoki; Sohn, Bong Won; Park, Jongho; Oh, Junghwan; Hada, Kazuhiro; Niinuma, Kotaro; Ro, Hyunwook; Jung, Taehyun; Zhao, Guang-Yao; Lee, Sang-Sung; Algaba, Juan-Carlos; Akiyama, Kazunori; Wajima, Kiyoaki; Sawada-Satoh, Satoko; Tazaki, Fumie; Cho, Ilje; Hodgson, Jeffrey; Lee, Jeong Ae; Hagiwara, Yoshiaki; Honma, Mareki; Koyama, Shoko; An, Tao; Cui, Yuzhu; Yoo, Hyemin; Kawaguchi, Noriyuki; Roh, Duk-Gyoo; Oh, Se-Jin; Yeom, Jae-Hwan; Jung, Dong-Kyu; Oh, Chungsik; Kim, Hyo-Ryoung; Hwang, Ju-Yeon; Byun, Do-Young; Cho, Se-Hyung; Kim, Hyun-Goo; Kobayashi, Hideyuki; Shibata, Katsunori M.; Shen, Zhiqiang; Jiang, Wu; Lee, Jee Won
Monthly Notices of the Royal Astronomical Society   486 2412-2421   Jun 2019   [Refereed]
Zhao, Guang-Yao; Jung, Taehyun; Sohn, Bong Won; Kino, Motoki; Honma, Mareki; Dodson, Richard; Rioja, Marc_a; Han, Seog-Tae; Shibata, Katsunori; Byun, Do-Young; Akiyama, Kazunori; Algaba, Juan-Carlos; An, Tao; Cheng, Xiaopeng; Cho, Ilje; Cui, Yuzhu; Hada, Kazuhiro; Hodgson, Jeffrey A.; Jiang, Wu; Lee, Jee Won; Lee, Jeong Ae; Niinuma, Kotaro; Park, Jong-Ho; Ro, Hyunwook; Sawada-Satoh, Satoko; Shen, Zhi-Qiang; Tazaki, Fumie; Trippe, Sascha; Wajima, Kiyoaki; Zhang, Yingkang;
Journal of the Korean Astronomical Society   52 23-30   Feb 2019   [Refereed]
Nakamura, Masanori; Asada, Keiichi; Hada, Kazuhiro; Pu, Hung-Yi; Noble, Scott; Tseng, Chihyin; Toma, Kenji; Kino, Motoki; Nagai, Hiroshi; Takahashi, Kazuya; Algaba, Juan-Carlos; Orienti, Monica; Akiyama, Kazunori; Doi, Akihiro; Giovannini, Gabriele; Giroletti, Marcello; Honma, Mareki; Koyama, Shoko; Lico, Rocco; Niinuma, Kotaro; Tazaki, Fumie
The Astrophysical Journal   868 146   Dec 2018   [Refereed]
Hiura, Koichiro; Nagai, Hiroshi; Kino, Motoki; Niinuma, Kotaro; Sorai, Kazuo; Chida, Hikaru; Akiyama, Kazunori; D'Ammando, Filippo; Giovannini, Gabriele; Giroletti, Marcello; Hada, Kazuhiro; Honma, Mareki; Koyama, Shoko; Orienti, Monica; Orosz, Gabor; Sawada-Satoh, Satoko
Publications of the Astronomical Society of Japan   70 83   Oct 2018   [Refereed]
Kino, M.; Wajima, K.; Kawakatu, N.; Nagai, H.; Orienti, M.; Giovannini, G.; Hada, K.; Niinuma, K.; Giroletti, M.
The Astrophysical Journal   864 118   Sep 2018   [Refereed]
Hatsukade, B.; Tominaga, N.; Hayashi, M.; Konishi, M.; Matsuda, Y.; Morokuma, T.; Morokuma-Matsui, K.; Motogi, K.; Niinuma, K.; Tamura, Y.
The Astrophysical Journal   857 72   Apr 2018   [Refereed]
Naoki Isobe, Shoko Koyama, Motoki Kino, Takehiko Wada, Takao Nakagawa, Hideo Matsuhara, Kotaro Niinuma, Makoto Tashiro
The Astrophysical Journal   850 193   Dec 2017   [Refereed]
Mid-infrared properties are reported of the west hot spot of the radio galaxy Pictor A with the Wide-field Infrared Survey Explorer (WISE). The mid-infrared counterpart to the hot spot, WISE J051926.26-454554.1, is listed in the AllWISE source ...
Ilje Cho, Taehyun Jung, Guang-Yao Zhao, Kazunori Akiyama, Satoko Sawada-Satoh, Motoki Kino, Do-Young Byun, Bongwon Sohn, Katsunori M. Shibata, Tomoya Hirota, Kotaro Niinuma, Yoshinori Yonekura, Kenta Fujisawa, Tomoaki Oyama
Publications of the Astronomical Society of Japan, 2017   69 87   Dec 2017   [Refereed]
We present the results of comparative study of amplitude calibrations for East-Asia VLBI Network (EAVN) at 22 and 43 GHz using two different methods of an "a-priori" and a "template spectrum", particularly on lower declination sources. Using ob...
Kazuhito Motogi, Tomoya Hirota, Kazuo Sorai, Yoshinori Yonekura, Koichiro Sugiyama, Mareki Honma, Kotaro Niinuma, Kazuya Hachisuka, Kenta Fujisawa, Andrew J. Walsh
The Astrophysical Journal   849 23   Nov 2017   [Refereed]
We report on interferometric observations of a face-on accretion system around the High-Mass young stellar object, G353.273+0.641. The innermost accretion system of 100 au radius was resolved in a 45 GHz continuum image taken with the Jansky-Ve...
Tomoki Morokuma, Masaomi Tanaka, Yasuyuki T. Tanaka, Ryosuke Itoh, Nozomu Tominaga, Poshak Gandhi, Elena Pian, Paolo Mazzali, Kouji Ohta, Emiko Matsumoto, Takumi Shibata, Hinako Akimoto, Hiroshi Akitaya, Gamal B. Ali, Tsutomu Aoki, Mamoru Doi, Nana Ebisuda, Ahmed Essam, Kenta Fujisawa, Hideo Fukushima, Shuhei Goda, Yuya Gouda, Hidekazu Hanayama, Yasuhito Hashiba, Osamu Hashimoto, Kenzo Hayashida, Yuichiro Hiratsuka, Satoshi Honda, Masataka Imai, Kanichiro Inoue, Michiko Ishibashi, Ikuru Iwata, Hideyuki Izumiura, Yuka Kanda, Miho Kawabata, Kenji Kawaguchi, Nobuyuki Kawai, Mitsuru Kokubo, Daisuke Kuroda, Hiroyuki Maehara, Hiroyuki Mito, Kazuma Mitsuda, Ryota Miyagawa, Takeshi Miyaji, Yusuke Miyamoto, Kumiko Morihana, Yuki Moritani, Kana Morokuma-Matsui, Kotone Murakami, Katsuhiro L. Murata, Takahiro Nagayama, Kazuki Nakamura, Tatsuya Nakaoka, Kotaro Niinuma, Takafumi Nishimori, Daisaku Nogami, Yumiko Oasa, Tatsunori Oda, Tomohito Ohshima, Yoshihiko Saito, Shuichiro Sakata, Shigeyuki Sako, Yuki Sarugaku, Satoko Sawada-Satoh, Genta Seino, Kazuo Sorai, Takao Soyano, Francesco Taddia, Jun Takahashi, Yuhei Takagi, Katsutoshi Takaki, Koji Takata, Ken'ichi Tarusawa, Makoto Uemura, Takahiro Ui, Riku Urago, Kazutoshi Ushioda, Jun-ichi Watanabe, Makoto Watanabe, Satoshi Yamashita, Kenshi Yanagisawa, Yoshinori Yonekura, Michitoshi Yoshida
Publications of the Astronomical Society of Japan, 2017   69 82   Oct 2017   [Refereed]
We present monitoring campaign observations at optical and near-infrared (NIR) wavelengths for a radio-loud active galactic nucleus (AGN) at z=0.840, SDSS~J110006.07+442144.3 (hereafter, J1100+4421), which was identified during a flare phase in...
Kazuhiro Hada, Jong Ho Park, Motoki Kino, Kotaro Niinuma, Bong Won Sohn, Hyun Wook Ro, Taehyun Jung, Juan-Carlos Algaba, Guang-Yao Zhao, Sang-Sung Lee, Kazunori Akiyama, Sascha Trippe, Kiyoaki Wajima, Satoko Sawada-Satoh, Fumie Tazaki, Ilje Cho, Jeffrey Hodgson, Jeong Ae Lee, Yoshiaki Hagiwara, Mareki Honma, Shoko Koyama, Junghwan Oh, Taeseak Lee, Hyemin Yoo, Noriyuki Kawaguchi, Duk-Gyoo Roh, Se-Jin Oh, Jae-Hwan Yeom, Dong-Kyu Jung, Chungsik Oh, Hyo-Ryoung Kim, Ju-Yeon Hwang, Do-Young Byun, Se-Hyung Cho, Hyun-Goo Kim, Hideyuki Kobayashi, Katsunori M. Shibata
Publications of the Astronomical Society of Japan, 2017   69 71   Aug 2017   [Refereed]
We report the initial results of our high-cadence monitoring program on the radio jet in the active galaxy M87, obtained by the KVN and VERA Array (KaVA) at 22 GHz. This is a pilot study that preceded a larger KaVA-M87 monitoring program, which...
Asada, K.; Kino, M.; Honma, M.; Hirota, T.; Lu, R.-S.; Inoue, M.; Sohn, B.-W.; Shen, Z.-Q.; Ho, P. T. P.; Akiyama, K.; Algaba, J-C.; An, T.; Bower, G.; Byun, D-Y.; Dodson, R.; Doi, A.; Edwards, P. G.; Fujisawa, K.; Gu, M-F.; Hada, K.; Hagiwara, Y.; Jaroenjittichai, P.; Jung, T.; Kawashima, T.; Koyama, S.; Lee, S-S.; Matsushita, S.; Nagai, H.; Nakamura, M.; Niinuma, K.; Phillips, C.; Park, J-H.; Pu, H-Y.; Ro, H-W.; Stevens, J.; Trippe, S.; Wajima, K.; Zhao, G-Y.
eprint arXiv:1705.04776      May 2017
Zhao, G.-Y.; Kino, M.; Cho, I.-J.; Akiyama, K.; Sohn, B. W.; Jung, T.; Algaba, J. C.; Hada, K.; Hagiwara, Y.; Hodgson, J.; Honma, M.; Kawaguchi, N.; Koyama, S.; Lee, J. A.; Lee, T.; Niinuma, K.; Oh, J.; Park, J.-H.; Ro, H.; Sawada-Satoh, S.; Tazaki, F.; Trippe, S.; Wajima, K.; Yoo, H.
The Multi-Messenger Astrophysics of the Galactic Centre, Proceedings of the International Astronomical Union, IAU Symposium   332 56-63   Jan 2017   [Refereed]
Kazuhito Motogi, Kazuo Sorai, Mareki Honma, Tomoya Hirota, Kazuya Hachisuka, Kotaro Niinuma, Koichiro Sugiyama, Yoshinori Yonekura, Kenta Fujisawa
Publications of the Astronomical Society of Japan   68 69   Oct 2016   [Refereed]
We report on a long-term single-dish and VLBI monitoring for intermittent flare activities of a Dominant Blue-Shifted HTexO Maser (DBSM) associated with a southern high mass young stellar object, G353.273+0.641. Bi-weekly single-dish monitoring...
Fujinaga, Yoshitaka; Niinuma, Kotaro; Kimura, Atsushi; Fujisawa, Kenta; Oyama, Tomoaki; Mizuno, Syota; Kono, Yusuke; Takemura, Shinji; Sawada-Satoh, Satoko; Akutagawa, Kengo; Sugiyama, Koichiro; Motogi, Kazuhito; Fukuzaki, Yoshihiro
Publications of the Astronomical Society of Japan   68 70   Oct 2016   [Refereed]
In this paper, we report on the discovery of 26 new radio sources located within positional error range of unassociated γ-ray sources listed in the Fermi Large Area Telescope Second Source Catalog (2FGL catalog) by very long baseline interferometr...
Sugiyama, Koichiro; Fujisawa, Kenta; Hachisuka, Kazuya; Yonekura, Yoshinori; Motogi, Kazuhito; Sawada-Satoh, Satoko; Matsumoto, Naoko; Hirano, Daiki; Hayashi, Kyonosuke; Kobayashi, Hideyuki; Kawaguchi, Noriyuki; Shibata, Katsunori M.; Honma, Mareki; Hirota, Tomoya; Murata, Yasuhiro; Doi, Akihiro; Ogawa, Hideo; Kimura, Kimihiro; Niinuma, Kotaro; Chen, Xi; Xia, Bo; Li, Bin; Sorai, Kazuo; Momose, Munetake; Saito, Yu; Takaba, Hiroshi; Omodaka, Toshihiro; Kim, Kee-Tae; Shen, Zhiqiang
Publications of the Astronomical Society of Japan   68 72   Oct 2016   [Refereed]
Yonekura, Yoshinori; Saito, Yu; Sugiyama, Koichiro; Soon, Kang Lou; Momose, Munetake; Yokosawa, Masayoshi; Ogawa, Hideo; Kimura, Kimihiro; Abe, Yasuhiro; Nishimura, Atsushi; Hasegawa, Yutaka; Fujisawa, Kenta; Ohyama, Tomoaki; Kono, Yusuke; Miyamoto, Yusuke; Sawada-Satoh, Satoko; Kobayashi, Hideyuki; Kawaguchi, Noriyuki; Honma, Mareki; Shibata, Katsunori M.; Sato, Katsuhisa; Ueno, Yuji; Jike, Takaaki; Tamura, Yoshiaki; Hirota, Tomoya; Miyazaki, Atsushi; Niinuma, Kotaro; Sorai, Kazuo; Takaba, Hiroshi; Hachisuka, Kazuya; Kondo, Tetsuro; Sekido, Mamoru; Murata, Yasuhiro; Nakai, Naomasa; Omodaka, Toshihiro
Publications of the Astronomical Society of Japan   68 74   Oct 2016   [Refereed]
Shoko Koyama, Motoki Kino, Marcello Giroletti, Akihiro Doi, Hiroshi Nagai, Kazuhiro Hada, Kotaro Niinuma, Monica Orienti, Gabriele Giovannini, Eduardo Ros, Tuomas Savolainen, Miguel A. P?rez-Torres, Thomas P. Krichbaum
Astronomy & Astrophysics   586 113   Feb 2016   [Refereed]
Context. High-resolution millimeter wave very-long-baseline interferometry (mm-VLBI) is an ideal tool for probing the structure at the base of extragalactic jets in detail. The TeV blazar Mrk 501 is one of the best targets among BL Lac objects for...
Koyama, Shoko; Kino, Motoki; Doi, Akihiro; Niinuma, Kotaro; Hada, Kazuhiro; Nagai, Hiroshi; Honma, Mareki; Akiyama, Kazunori; Giroletti, Marcello; Giovannini, Gabriele; Orienti, Monica; Isobe, Naoki; Kataoka, Jun; Paneque, David; Kobayashi, Hideyuki; Asada, Keiichi
Publications of the Astronomical Society of Japan   67 67   Aug 2015   [Refereed]
K. Niinuma, M. Kino, A. Doi, K. Hada, H. Nagai, and S. Koyama
The Astrophysical Journal Letters   807(1) L14   Jul 2015   [Refereed]
We investigate the location of the radio jet bases ("radio cores") of blazars in radio images and their stationarity by means of dense very long baseline interferometry (VLBI) observations. In order to measure the position of a radio core, we cond...
Niinuma, Kotaro; Lee, Sang-Sung; Kino, Motoki; Sohn, Bong Won; Akiyama, Kazunori; Zhao, Guang-Yao; Sawada-Satoh, Satoko; Trippe, Sascha; Hada, Kazuhiro; Jung, Taehyun; Hagiwara, Yoshiaki; Dodson, Richard; Koyama, Shoko; Honma, Mareki; Nagai, Hiroshi; Chung, Aeree; Doi, Akihiro; Fujisawa, Kenta; Han, Myoung-Hee; Kim, Joeng-Sook; Lee, Jeewon; Lee, Jeong Ae; Miyazaki, Atsushi; Oyama, Tomoaki; Sorai, Kazuo; Wajima, Kiyoaki; Bae, Jaehan; Byun, Do-Young; Cho, Se-Hyung; Choi, Yoon Kyung; Chung, Hyunsoo; Chung, Moon-Hee; Han, Seog-Tae; Hirota, Tomoya; Hwang, Jung-Wook; Je, Do-Heung; Jike, Takaaki; Jung, Dong-Kyu; Jung, Jin-Seung; Kang, Ji-Hyun; Kang, Jiman; Kang, Yong-Woo; Kan-ya, Yukitoshi; Kanaguchi, Masahiro; Kawaguchi, Noriyuki; Kim, Bong Gyu; Kim, Hyo Ryoung; Kim, Hyun-Goo; Kim, Jaeheon; Kim, Jongsoo; Kim, Kee-Tae; Kim, Mikyoung; Kobayashi, Hideyuki; Kono, Yusuke; Kurayama, Tomoharu; Lee, Changhoon; Lee, Jung-Won; Lee, Sang Hyun; Minh, Young Chol; Matsumoto, Naoko; Nakagawa, Akiharu; Oh, Chung Sik; Oh, Se-Jin; Park, Sun-Youp; Roh, Duk-Gyoo; Sasao, Tetsuo; Shibata, Katsunori M.; Song, Min-Gyu; Tamura, Yoshiaki; Wi, Seog-Oh; Yeom, Jae-Hwan; Yun, Young Joo
Publications of the Astronomical Society of Japan   66(6) 103   Dec 2014   [Refereed]
The Korean very-long-baseline interferometry (VLBI) network (KVN) and VLBI Exploration of Radio Astrometry (VERA) Array (KaVA) is the first international VLBI array dedicated to high-frequency (23?43?GHz bands) observations in East Asia. Here, we ...
Fujisawa, Kenta; Aoki, Nozomu; Nagadomi, Yoshito; Kimura, Saki; Shimomura, Tadashi; Takase, Genta; Sugiyama, Koichiro; Motogi, Kazuhito; Niinuma, Kotaro; Hirota, Tomoya; Yonekura, Yoshinori
Publications of the Astronomical Society of Japan   66 109   Dec 2014   [Refereed]
Fujisawa, Kenta; Takase, Genta; Kimura, Saki; Aoki, Nozomu; Nagadomi, Yoshito; Shimomura, Tadashi; Sugiyama, Koichiro; Motogi, Kazuhito; Niinuma, Kotaro; Hirota, Tomoya; Yonekura, Yoshinori
Publications of the Astronomical Society of Japan   66(4) 78   Jul 2014   [Refereed]
Hada, K.; Giroletti, M.; Kino, M.; Giovannini, G.; D'Ammando, F.; Cheung, C. C.; Beilicke, M.; Nagai, H.; Doi, A.; Akiyama, K.; Honma, M.; Niinuma, K.; Casadio, C.; Orienti, M.; Krawczynski, H.; G_mez, J. L.; Sawada-Satoh, S.; Koyama, S.; Cesarini, A.; Nakahara, S.; Gurwell, M. A.
The Astrophysical Journal   788(2) 165   Jun 2014   [Refereed]
Fujisawa, Kenta; Sugiyama, Koichiro; Motogi, Kazuhito; Hachisuka, Kazuya; Yonekura, Yoshinori; Sawada-Satoh, Satoko; Matsumoto, Naoko; Sorai, Kazuo; Momose, Munetake; Saito, Yu; Takaba, Hiroshi; Ogawa, Hideo; Kimura, Kimihiro; Niinuma, Kotaro; Hirano, Daiki; Omodaka, Toshihiro; Kobayashi, Hideyuki; Kawaguchi, Noriyuki; Shibata, Katsunori M.; Honma, Mareki; Hirota, Tomoya; Murata, Yasuhiro; Doi, Akihiro; Mochizuki, Nanako; Shen, Zhiqiang; Chen, Xi; Xia, Bo; Li, Bin; Kim, Kee-Tae
Publications of the Astronomical Society of Japan   66(2) 31   Apr 2014   [Refereed]
Sugiyama, K.; Fujisawa, K.; Doi, A.; Honma, M.; Kobayashi, H.; Murata, Y.; Motogi, K.; Niinuma, K.; Ogawa, H.; Wajima, K.; Sawada-Satoh, S.; Ellingsen, S. P.
Astronomy and Astrophysics   562 82   Feb 2014   [Refereed]
Aoki, Takahiro; Tanaka, Tai; Niinuma, Kotaro; Takefuji, Kazuhiro; Kida, Sumiko; Nakao, Ryota; Nomura, Naomi; Sugisawa, Kentaro; Daishido, Tsuneaki
The Astrophysical Journal   781(1) 10   Jan 2014   [Refereed]
Takahashi, Y.; Kataoka, J.; Niinuma, K.; Honma, M.; Inoue, Y.; Totani, T.; Inoue, S.; Nakamori, T.; Maeda, K.
The Astrophysical Journal   773(1) 36   Aug 2013   [Refereed]
T. Tanaka, T. Nakamizo, T. Aoki, S. Kida, K. Asuma, K. Konishi, K. Niinuma, and T. Daishido
Publications of the Astronomical Society of the Pacific   125(927) 557-564   2013   [Refereed]
Orienti, M. Koyama, S. D'Ammando, F. Giroletti, M. Kino, M. Nagai, H. Venturi, T. Dallacasa, D. Giovannini, G. Angelakis, E. Fuhrmann, L. Hovatta, T. Max-Moerbeck, W. Schinzel, F. K. Akiyama, K. Hada, K. Honma, M. Niinuma, K. Gasparrini, D. Krichbaum, T. P. Nestoras, I. Readhead, A. C. S. Richards, J. L. Riquelme, D. Sievers, A. Ungerechts, H. Zensus, J. A.
Monthly Notices of the Royal Astronomical Society   428(3) 2418-2429   2013   [Refereed]
Kazuhito Motogi, Kazuo Sorai, Kotaro Niinuma, Koichiro Sugiyama, Mareki Honma, Kenta Fujisawa
Monthly Notices of the Royal Astronomical Society   428(1) 349-353   2013   [Refereed]
Hiroshi Nagai, Motoki Kino, Kotaro Niinuma, Kazunori Akiyama, Kazuhiro Hada, Shoko Koyama, Monica Orienti, Koichiro Hiura, Satoko Sawada-Satoh, Mareki Honma, Gabriele Giovannini, Marcello Giroletti, Katsunori Shibata, Kazuo Sorai
Publications of the Astronomical Society of Japan   65 24   2013   [Refereed]
Tanaka, T. Nakamizo, T. Aoki, T. Kida, S. Asuma, K. Imai, A. Furukawa, N. Hiruma, R. Matsumura, N. Takefuji, K. Niinuma, K. Daishido, T.
Publications of the Astronomical Society of the Pacific   124(916) 616-623   2012   [Refereed]
Niinuma, K. Kino, M. Nagai, H. Isobe, N. Gabanyi, K. E. Hada, K. Koyama, S. Asada, K. Oyama, T. Fujisawa, K.
The Astrophysical Journal   759(2) 84   2012   [Refereed]
Honma, Mareki Nagayama, Takumi Ando, Kazuma Bushimata, Takeshi Choi, Yoon Kyung Handa, Toshihiro Hirota, Tomoya Imai, Hiroshi Jike, Takaaki Kim, Mi Kyoung Kameya, Osamu Kawaguchi, Noriyuki Kobayashi, Hideyuki Kurayama, Tomoharu Kuji, Seisuke Matsumoto, Naoko Manabe, Seiji Miyaji, Takeshi Motogi, Kazuhito Nakagawa, Akiharu Nakanishi, Hiroyuki Niinuma, Kotaro Oh, Chung Sik Omodaka, Toshihiro Oyama, Tomoaki Sakai, Nobuyuki Sato, Katsuhisa Sato, Mayumi Shibata, Katsunori M. Shiozaki, Satoshi Sunada, Kazuyoshi Tamura, Yoshiaki Ueno, Yuji Yamauchi, Aya
Publications of the Astronomical Society of Japan   64 136   2012   [Refereed]
Aoki, T., Tanaka, T., Niinuma, K., Asuma, K., Kida, S., Nakamizo, T. Furukawa, N. Ikouga, J. Odai, K. Yamada, Y. Hiruma, R. Endo, T. Konishi, K. Tsuda, T. Daishido, T.
Publications of the Astronomical Society of the Pacific   124(914) 371-379   2012   [Refereed]
Kotaro Niinuma, Takumi Nagayama, Tomoya Hirota, Mareki Honma, Kazuhito Motogi, Akiharu Nakagawa, Tomoharu Kurayama, Yukitoshi Kan-ya, Noriyuki Kawaguchi, Hideyuki Kobayashi, Yuji Ueno
Publications of the Astronomical Society of Japan   63(1) 9-16   2011   [Refereed]
Kida, S. Daishido, T. Tanaka, T. Aoki, T. Tekefuji, K. Niinuma, K. Asuma, K. Nakagawa, S. Uehara, H. Akamatsu, H. Imai, A. Miyata, H. Ikouga, J. Otsubo, A. Odai, K. Kodama, R. Takanashi, Y. Nakamizo, N. Yamada, Y. Hiruma, R. Furukawa, N. Matsumura, N.
Astrophysical Journal Letters   714(1) L36-L40   2010   [Refereed]
Performance of VERA in the phase-referencing astrometry
Honma, M. Hirota, T. Jike, T. Kameya, O. Kawaguchi, N. Kobayashi, H. Kurayama, T. Manabe, S. Miyaji, T. Nagayama, T. Niinuma, K. Omodaka, T. Oyama, T. Sato, K. Shibata, K. M. Tamura, Y.
Publications of the National Astronomical Observatory of Japan   13 57-69   2010   [Refereed]
Niinuma, K. Daishido, T. Matsumura, N. Takefuji, K. Kuniyoshi, M. Asuma, K. Kida, S. Tanaka, T. Aoki, T. Ishikawa, S. Hirano, K. Uehara, H. Nakagawa, S.
The Astrophysical Journal   704 652-660   2009   [Refereed]
Matsumura, N. Niinuma, K. Kuniyoshi, M. Takefuji, K. Asuma, K. Daishido, T. Kida, S. Tanaka, T. Aoki, T. Ishikawa, S. Hirano, K. Nakagawa, S.
The Astronomical Journal   138(3) 787-795   2009   [Refereed]
Takefuji, K. Asuma, K. Kuniyoshi, M. Matsumura, N. Niinuma, K. Kida, S. Nakamura, R. Tanaka, T. Suzuki, S. Ishikawa, S. Aoki, T. Hirano, K. Daishido, T.
Publications of the Astronomical Society of the Pacific   120(865) 339-347   2008   [Refereed]
Kida, S. Niinuma, K. Suzuki, S. Tanaka, T. Nakanura, R. Takefuji, K. Matsumura, N. Kuniyoshi, M. Daishido, T.
New Astronomy   13(7) 519-525   2008   [Refereed]
Takefuji, K. Asuma, K. Kuniyoshi, M. Matsumura, N. Niinuma, K. Kida, S. Nakamura, R. Tanaka, T. Suzuki, S. Isikawa, S. Aoki, T. Hirano, K. Daishido, T.
Publications of the Astronomical Society of the Pacific   119(860) 1145-1151   2007   [Refereed]
Niinuma, K. Kuniyoshi, M. Matsumura, N. Takefuji, K. Kida, S. Takeuchi, A. Nakamura, R. Suzuki, S. Ichikwa, H. Asuma, K. Daishido, T.
Publications of the Astronomical Society of the Pacific   119(851) 112-121   2007   [Refereed]
Niinuma, K. Asuma, K. Kuniyoshi, M. Matsumura, N. Takefuji, K. Kida, S. Takeuchi, A. Nakamura, R. Tanaka, T. Suzuki, S. Daishido, T.
The Astrophysical Journal Letters   657(1) L37-L40   2007   [Refereed]
Matsumura, N. Daishido, T. Kuniyosfd, M. Asuma, K. Takefuji, K. Niinuma, K. Kida, S. Takeuchi, A. Nakamura, R. Shigehiro, S. Tanaka, T.
The Astronomical Journal   133(4) 1441-1446   2007   [Refereed]
Kuniyoshi, M. Matsumura, N. Takefuji, K. Niinuma, K. Kida, S. Takeuchi, A. Nakamura, R. Suzuki, S. Tanaka, T. Asuma, K. Daishido, T.
Publications of the Astronomical Society of the Pacific   119(851) 122-126   2007   [Refereed]
Niinuma, K. Asuma, K. Kuniyoshi, M. Matsumura, N. Takefuji, K. Kida, S. Takeuchi, A. Ichikawa, H. Sawano, A. Yoshimura, N. Suzuki, S. Nakamura, R. Nakayama, Y. Daishido, T.
Journal of Physics: Conference Series   31(1) 223-224   2006
Matsumura, N. Kuniyoshi, M. Takefuji, K. Niinuma, K. Kida, S. Takeuchi, A. Asuma, K. Daishido, T.
Journal of Physics: Conference Series   31(1) 193-194   2006
Kuniyoshi, M. Daishido, T. Asuma, K. Matsumura, N. Takefuji, K. Niinuma, K. Kida, S. Takeuchi, A. Nakamura, R. Nakayama, Y. Suzuki, S.
Journal of Physics: Conference Series   31(1) 191-192   2006
Kuniyoshi, M. Daishido, T. Asuma, K. Matsumura, N. Takefuji, K. Niinuma, K. Kida, S. Takeuchi, A. Nakamura, R. Nakayama, Y. Suzuki, S.
Publications of the Astronomical Society of the Pacific   118(844) 901-906   2006   [Refereed]
Takeuchi, H. Kuniyoshi, M. Daishido, T. Asuma, K. Matsumura, N. Takefuji, K. Niinuma, K. Ichikawa, H. Okubo, R. Sawano, A. Yoshimura, N. Fujii, F. Mizuno, K. Akamine, Y.
Publications of the Astronomical Society of Japan   57(5) 815-820   2005   [Refereed]

Misc

 
Takahashi Hiroaki
Meeting abstracts of the Physical Society of Japan   68(1)    Mar 2013

Books etc

 
The Astronomical Herald
Niinuma, K., Nagai, H., Kino, M. (Part:Contributor, EURECA 「GENJI Programme」)
Astronomical Society of Japan   May 2013   
The astronomical herald (April, 2010)
Niinuma Kotaro (Part:Joint Work, (EURECA 「Unidentified Radio Bursts at a High Galactic Latitude」))
Astronomical Society of Japan   Apr 2010   

Conference Activities & Talks

 
Niinuma Kotaro
AGN Jet Workshop 2020 "Active Galactic Nucleus Jets in the Event Horizon Telescope Era"   20 Jan 2020   Tohoku University
Niinuma Kotaro
Annual Meeting, Astronomical Society of Japan, 2019 Autumn   11 Sep 2019   Astronomical Society of Japan
Niinuma Kotaro
SKA-Japanシンポジウム 2019   2 Sep 2019   SKA-Japan consortium
Niinuma Kotaro
The sixth Astrophysical Multimessenger Observatory Network (AMON) Workshop   21 May 2019   ICEHAP Neutrino Astrophysics Dept., Chiba Uviversity
Niinuma Kotaro
East Asia To Itary Nearly Global (Eating) VLBI Workshop 2019   15 Apr 2019   INAF Istituto di Radioastronomia

Research Grants & Projects

 
Ministry of Education, Culture, Sports, Science and Technology: Grant-in-Aid for Scientific Research (A)
Project Year: 2018 - 2021    Investigator(s): Kotaro NIINUMA
Ministry of Education, Culture, Sports, Science and Technology: Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
Project Year: 2015 - 2016    Investigator(s): Kotaro NIINUMA
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(若手研究(B))
Project Year: 2010 - 2012    Investigator(s): Kotaro NIINUMA
Development of the automatic data reduction and detected signal evaluation system in Nasu observatory are progressed more than the one was expected, although preparing the framework of monitor of transient phenomena between Nasu observatory and th...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(若手研究(B))
Project Year: 2008 - 2009    Investigator(s): Kotaro NIINUMA
Actually, on December 2009, we made the mosaicing VLBI observation for 4 radio transients which were already reported. In this observation, the progenitors of 4 radio transients couldn't be identified, but we could confirm that no radio sources wh...

Education

 
Apr 2005
 - 
Jul 2007
Department of Pure and Applied Physics, Doctral Course, Graduate School of Science and Engineering, Waseda University
 
Apr 2003
 - 
Mar 2005
Department of Pure and Applied Physics, Master Course, Graduate School of Science and Engineering, Waseda University
 
Apr 1999
 - 
Mar 2003
Department of Applied Physics, School of Science and Engineering, Waseda University
 
 
 - 
Mar 1999
Nihon Univ. 3rd High School