activity
19992023
most citedA Helical Magnetic Field in the Jet of 3C 273

175 citations · 1.1k across the 48 of their papers we have counts for

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6 papers · 1 filter

astro-ph.IM2022★ 16 cited

Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)

Kazunori Akiyama, Juan-Carlos Algaba, Tao An +101

The East Asian VLBI Network (EAVN) is an international VLBI facility in East Asia and is operated under mutual collaboration between East Asian countries, as well as part of Southe…

astro-ph.IM2018★ 11 cited

A Balloon-Borne Very Long Baseline Interferometry Experiment in the Stratosphere: Systems Design and Developments

Akihiro Doi, Yusuke Kono, Kimihiro Kimura +33

The balloon-borne very long baseline interferometry (VLBI) experiment is a technical feasibility study for performing radio interferometry in the stratosphere. The flight model has…

astro-ph.IM2017★ 13 cited

A comparative study of amplitude calibrations for East-Asia VLBI Network: a-priori and template spectrum methods

Ilje Cho, Taehyun Jung, Guang-Yao Zhao +11

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 "templat…

astro-ph.IM2017★ 1 cited

Development of the Phase-up Technology of the Radio Telescopes: 6.7 GHz Methanol Maser Observations with Phased Hitachi 32 m and Takahagi 32 m Radio Telescopes

Kazuhiro Takefuji, Koichiro Sugiyama, Yoshinori Yonekura +3

For the sake of high-sensitivity 6.7 GHz methanol maser observations, we developed a new technology for coherently combining the two signals from the Hitachi 32 m radio telescope a…

astro-ph.IM2015

The East-Asian VLBI Network

Kiyoaki Wajima, Yoshiaki Hagiwara, Tao An +14

The East-Asian VLBI Network (EAVN) is the international VLBI facility in East Asia and is conducted in collaboration with China, Japan, and Korea. The EAVN consists of VLBI arrays…

astro-ph.IM2014★ 44 cited

VLBI observations of bright AGN jets with KVN and VERA Array (KaVA): Evaluation of Imaging Capability

Kotaro Niinuma, Sang-Sung Lee, Motoki Kino +69

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 hi…