T
Tetsuo Sasao
Researcher at Korea Astronomy and Space Science Institute
Publications - 27
Citations - 649
Tetsuo Sasao is an academic researcher from Korea Astronomy and Space Science Institute. The author has contributed to research in topics: Very-long-baseline interferometry & Maser. The author has an hindex of 12, co-authored 27 publications receiving 612 citations.
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Journal ArticleDOI
SiO Maser Observations toward Orion-KL with VERA
Mi Kyoung Kim,Tomoya Hirota,Mareki Honma,Hideyuki Kobayashi,Takeshi Bushimata,Yoon Kyung Choi,Hiroshi Imai,Kenzaburo Iwadate,Takaaki Jike,Seiji Kameno,Osamu Kameya,Ryuichi Kamohara,Yukitoshi Kan-ya,Noriyuki Kawaguchi,Seisuke Kuji,Tomoharu Kurayama,Seiji Manabe,Makoto Matsui,Naoko Matsumoto,Takeshi Miyaji,Takumi Nagayama,Akiharu Nakagawa,Chung Sik Oh,Toshihiro Omodaka,Tomoaki Oyama,Satoshi Sakai,Tetsuo Sasao,Katsuhisa Sato,Mayumi Sato,Katsunori M. Shibata,Yoshiaki Tamura,Kazuyoshi Yamashita +31 more
TL;DR: In this article, the authors derived the trigonometric parallax of Orion-KL to be 2.39˙0.03mas, corresponding to a distance of 418˙6pc.
Journal ArticleDOI
First Fringe Detection with VERA's Dual-Beam System and its Phase Referencing Capability
Mareki Honma,T. Fujii,Tomoya Hirota,K. Horiai,Kenzaburo Iwadate,Takaaki Jike,Osamu Kameya,Ryuichi Kamohara,Yukitoshi Kan-ya,K. Kawaguchi,Hideyuki Kobayashi,Seisuke Kuji,Tomoharu Kurayama,Seiji Manabe,T. Miyaji,Kouichirou Nakashima,Toshihiro Omodaka,Tomoaki Oyama,Satoshi Sakai,Sei-ichiro Sakakibara,Katsuhisa Sato,Tetsuo Sasao,Katsunori M. Shibata,R. Shimizu,Hiroshi Suda,Yoichi Tamura,Hideki Ujihara,A. Yoshimura +27 more
TL;DR: The first dual-beam observations of a pair of H2O maser sources W49N and OH43.1 have been carried out on 2002 May 29 and July 23 as discussed by the authors.
Journal ArticleDOI
VLBI observations of bright AGN jets with the KVN and VERA Array (KaVA): Evaluation of imaging capability
Kotaro Niinuma,Sang-Sung Lee,Motoki Kino,Motoki Kino,Bong Won Sohn,Kazunori Akiyama,Guang Yao Zhao,Satoko Sawada-Satoh,Sascha Trippe,Kazuhiro Hada,Taehyun Jung,Yoshiaki Hagiwara,Richard Dodson,Shoko Koyama,Mareki Honma,Hiroshi Nagai,Aeree Chung,Akihiro Doi,Kenta Fujisawa,Myoung Hee Han,Joeng Sook Kim,Jee Won Lee,Jee Won Lee,Jeong Ae Lee,Atsushi Miyazaki,Tomoaki Oyama,Kazuo Sorai,Kiyoaki Wajima,Jaehan Bae,Jaehan Bae,Do-Young Byun,Se Hyung Cho,Y. K. Choi,Hyunsoo Chung,Moon Hee Chung,Seog Tae Han,Tomoya Hirota,Jung-Wook Hwang,Do Heung Je,Takaaki Jike,Dong Kyu Jung,Jin Seung Jung,Ji Hyun Kang,Jiman Kang,Yong Woo Kang,Yukitoshi Kan-ya,Masahiro Kanaguchi,N. Kawaguchi,Bong Gyu Kim,Hyo Ryoung Kim,Hyun-Goo Kim,Jaeheon Kim,Jongsoo Kim,Kee-Tae Kim,Mikyoung Kim,Hideyuki Kobayashi,Yusuke Kono,Tomoharu Kurayama,Chang-Hoon Lee,Jung-Won Lee,Sang Hyun Lee,Young Chol Minh,Naoko Matsumoto,Akiharu Nakagawa,Chungsik Oh,Se-Jin Oh,Sun Youp Park,Duk Gyoo Roh,Tetsuo Sasao,Katsunori M. Shibata,Min-Gyu Song,Yoshiaki Tamura,Seog Oh Wi,Jae Hwan Yeom,Young Joo Yun +74 more
TL;DR: The Korean very-long-baseline interferometry (KVN) and VLBI Exploration of Radio Astrometry (VERA) Array (KaVA) as discussed by the authors is the first very long baseline interference (VLBI) array dedicated to high-frequency (23-43 GHz bands) observations in East Asia.
Journal ArticleDOI
VLBI observations of bright AGN jets with KVN and VERA Array (KaVA): Evaluation of Imaging Capability
Kotaro Niinuma,Sang-Sung Lee,Motoki Kino,Bong Won Sohn,Kazunori Akiyama,Guang-Yao Zhao,Satoko Sawada-Satoh,Sascha Trippe,Kazuhiro Hada,Taehyun Jung,Yoshiaki Hagiwara,Richard Dodson,Shoko Koyama,Mareki Honma,Hiroshi Nagai,Aeree Chung,Akihiro Doi,Kenta Fujisawa,Myoung-Hee Han,Joeng-Sook Kim,Jee Won Lee,Jeong Ae Lee,Atsushi Miyazaki,Tomoaki Oyama,Kazuo Sorai,Kiyoaki Wajima,Jaehan Bae,Do-Young Byun,Se-Hyung Cho,Y. K. Choi,Hyunsoo Chung,Moon-Hee Chung,Seog-Tae Han,Tomoya Hirota,Jung-Wook Hwang,Do-Heung Je,Takaaki Jike,Dong-Kyu Jung,Jin-seung Jung,Ji-hyun Kang,Jiman Kang,Yong-Woo Kang,Yukitoshi Kan-ya,Masahiro Kanaguchi,Noriyuki Kawaguchi,Bong Gyu Kim,Hyo Ryoung Kim,Hyun-Goo Kim,Jaeheon Kim,Jongsoo Kim,Kee-Tae Kim,Mikyoung Kim,Hideyuki Kobayashi,Yusuke Kono,Tomoharu Kurayama,Changhoon Lee,Jungwon Lee,Sang Hyun Lee,Young Chol Minh,Naoko Matsumoto,Akiharu Nakagawa,Chung Sik Oh,Se-Jin Oh,Sun-Youp Park,Duk-Gyoo Roh,Tetsuo Sasao,Katsunori M. Shibata,Min-Gyu Song,Yoshiaki Tamura,Seog-Oh Wi,Jae-Hwan Yeom,Young Joo Yun +71 more
TL;DR: The Korean very-long-baseline interferometry (KVN) and VLBI Exploration of Radio Astrometry (VERA) Array (KaVA) as mentioned in this paper is the first international array dedicated to high-frequency (23 and 43 GHz bands) observations in East Asia.
Journal ArticleDOI
Phase compensation experiments with the paired antennas method: 2. Millimeter‐wave fringe correction using centimeter‐wave reference
Yoshiharu Asaki,Katsunori M. Shibata,Ryohei Kawabe,Duk-Gyoo Roh,Masao Saito,Ko-Ichiro Morita,Tetsuo Sasao +6 more
TL;DR: In this paper, an experiment for compensating interferometer phase fluctuations due to the turbulent troposphere was conducted with the paired antennas method (PAM) using different sky frequencies for a target and reference source.