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

doi:10.3390/galaxies10060113

	Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)
	Akiyama, Kazunori 1,2,3; Algaba, Juan-Carlos 4; An, Tao 5,6; Asada, Keiichi 7; Asanok, Kitiyanee 8; Byun, Do-Young 9,10; Chanapote, Thanapol 8; Chen, Wen 11; Chen, Zhong 5; Cheng, Xiaopeng 9; Chibueze, James O.12,13; Cho, Ilje 14; Cho, Se-Hyung 9,15; Chung, Hyun-Soo 9; Cui, Lang6,16 ; Cui, Yuzhu 17; Doi, Akihiro 18,19; Dong, Jian 5; Fujisawa, Kenta 20,21; Gou, Wei 5; Guo, Wen 5; Hada, Kazuhiro 2,22; Hagiwara, Yoshiaki 23,24,25; Hirota, Tomoya 2,22; Hodgson, Jeffrey A.26; Honma, Mareki 2,22,27; Imai, Hiroshi 28,29; Jaroenjittichai, Phrudth 8; Jiang, Wu 5,6; Jiang, Yongbin 5; Jiang, Yongchen 5; Jike, Takaaki 2,22; Jung, Dong-Kyu 9; Jung, Taehyun 9; Kawaguchi, Noriyuki 2; Kim, Dong-Jin 1,30; Kim, Hyo-Ryoung 9; Kim, Jaeheon 9; Kim, Jeong-Sook 31,32; Kim, Kee-Tae 9,10; Kim, Soon-Wook 9; Kino, Motoki 2,33; Kobayashi, Hideyuki 2; Koyama, Shoko 7,34; Kramer, Busaba H.8,30; Lee, Jee-Won 9; Lee, Jeong Ae 9; Lee, Sang-Sung 9,10; Lee, Sang Won 35; Li, Bin 5; Li, Guanghui16 ; Li, Xiaofei16 ; Li, Zhixuan 11; Liu, Qinghui 5; Liu, Xiang6,16 ; Lu, Ru-Sen 5,6,30; Motogi, Kazuhito 20,21; Nakamura, Masanori 7,36; Niinuma, Kotaro 20,21; Oh, Chungsik 9; Oh, Hongjong 35; Oh, Junghwan 25,26; Oh, Se-Jin 9; Oyama, Tomoaki 2; Park, Jongho 7,9; Poshyachinda, Saran 8; Ro, Hyunwook 9,37; Roh, Duk-Gyoo 9; Rujopakarn, Wiphu 8; Sakai, Nobuyuki 8; Sawada-Satoh, Satoko 38; Shen, Zhi-Qiang 5,6; Shibata, Katsunori M.2; Sohn, Bong Won 9,10,37; Soonthornthum, Boonrucksar 8; Sugiyama, Koichiro 8; Sun, Yunxia 5; Takamura, Mieko 2,27; Tanabe, Yoshihiro 39; Tazaki, Fumie 40; Trippe, Sascha 15; Wajima, Kiyoaki 9,10; Wang, Jinqing 5; Wang, Na6,16 ; Wang, Shiqiang16 ; Wang, Xuezheng 5; Xia, Bo 5; Xu, Shuangjing 5,9; Yan, Hao16 ; Yang, Wenjun16 ; Yeom, Jae-Hwan 9; Yi, Kunwoo 15; Yi, Sang-Oh 35; Yonekura, Yoshinori 39; Yoon, Hasu 35; Yu, Linfeng 5; Yuan, Jianping16 ; Yun, Youngjoo 9; Zhang, Bo 5; Zhang, Hua16 ; Zhang, Yingkang 5; Zhao, Guang-Yao 14; Zhao, Rongbing5 ; Zhong, Weiye 5
	2022-12-07
Source Publication	Galaxies
ISSN	2075-4434
Volume	10 Issue:6 Pages:113
Contribution Rank	16
Abstract	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 Southeast Asian and European countries. EAVN currently consists of 16 radio telescopes and three correlators located in China, Japan, and Korea, and is operated mainly at three frequency bands, 6.7, 22, and 43 GHz with the longest baseline length of 5078 km, resulting in the highest angular resolution of 0.28 milliarcseconds at 43 GHz. One of distinct capabilities of EAVN is multi-frequency simultaneous data reception at nine telescopes, which enable us to employ the frequency phase transfer technique to obtain better sensitivity at higher observing frequencies. EAVN started its open-use program in the second half of 2018, providing a total observing time of more than 1100 h in a year. EAVN fills geographical gap in global VLBI array, resulting in enabling us to conduct contiguous high-resolution VLBI observations. EAVN has produced various scientific accomplishments especially in observations toward active galactic nuclei, evolved stars, and star-forming regions. These activities motivate us to initiate launch of the ’Global VLBI Alliance’ to provide an opportunity of VLBI observation with the longest baselines on the earth.
Keyword	active galactic nucleus astrometry evolved star star-forming region very long baseline interferometry
DOI	10.3390/galaxies10060113
URL	查看原文
Indexed By	其他
Language	英语
Citation statistics	Cited Times:9[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.xao.ac.cn/handle/45760611-7/5122
Collection	射电天文研究室_星系宇宙学研究团组
Corresponding Author	Wajima, Kiyoaki
Affiliation	1.Massachusetts Institute of Technology Haystack Observatory, Westford, MA 01886, USA; 2.Mizusawa VLBI Observatory, National Astronomical Observatory of Japan, Iwate 023-0861, Japan; 3.Black Hole Initiative, Harvard University, Cambridge, MA 02138, USA; 4.Department of Physics, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia; 5.Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China; 6.Key Laboratory of Radio Astronomy, Chinese Academy of Sciences, Nanjing 210008, China; 7.Institute of Astronomy and Astrophysics, Academia Sinica, Hilo, HI 96720, USA; 8.National Astronomical Research Institute of Thailand (Public Organization), Chiangmai 50180, Thailand; 9.Korea Astronomy and Space Science Institute, Yuseong-gu, Daejeon 34055, Republic of Korea; 10.Department of Astronomy and Space Science, University of Science and Technology, Yuseong-gu, Daejeon 34113, Republic of Korea; 11.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China; 12.Centre for Space Research, North-West University, Potchefstroom 2520, South Africa; 13.Department of Physics and Astronomy, Faculty of Physical Sciences, University of Nigeria, Nsukka 410001, Nigeria; 14.Instituto de Astrofísica de Andalucía-CSIC, Glorieta de la Astronomía s/n, E-18008 Granada, Spain; 15.Department of Physics and Astronomy, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea; 16.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi 830011, China; 17.Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai 201210, China; 18.The Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Kanagawa 252-5210, Japan; 19.Department of Space and Astronautical Science, The Graduate University for Advanced Studies, SOKENDAI, Kanagawa 252-5210, Japan; 20.The Research Institute for Time Studies, Yamaguchi University, Yamaguchi 753-8511, Japan; 21.Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Yamaguchi 753-8512, Japan; 22.Department of Astronomical Science, The Graduate University for Advanced Studies, SOKENDAI, Tokyo 181-8588, Japan; 23.Natural Science Laboratory, Toyo University, Bunkyo-ku, Tokyo 112-8606, Japan; 24.ASTRON, 7991 PD Dwingeloo, The Netherlands; 25.Joint Institute for VLBI ERIC, 7991 PD Dwingeloo, The Netherlands; 26.Department of Physics and Astronomy, Sejong University, Gwangjin-gu, Seoul 05006, Republic of Korea; 27.Institute of Astronomy, The University of Tokyo, Tokyo 181-0015, Japan; 28.Graduate School of Science and Engineering, Kagoshima University, Kagoshima 890-0065, Japan; 29.Amanogawa Galaxy Astronomy Research Center, Graduate School of Science and Engineering, Kagoshima University, Kagoshima 890-0065, Japan; 30.Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany; 31.Department of Physics, Ulsan National Institute of Science and Technology, Ulsan 44919, Korea; 32.Department of Astronomy and Space Science, Chungbuk National University, Cheongju 28644, Republic of Korea; 33.Academic Support Center, Kogakuin University of Technology and Engineering, Tokyo 192-0015, Japan; 34.Graduate School of Science and Technology, Niigata University, Nishi-ku, Niigata 950-2181, Japan; 35.National Geographic Information Institute, Suwon 16517, Republic of Korea; 36.National Institute of Technology, Hachinohe College, Aomori 039-1192, Japan; 37.Department of Astronomy, Yonsei University, Seodaemun-gu, Seoul 03722, Republic of Korea; 38.Graduate School of Science, Osaka Metropolitan University, Osaka 599-8531, Japan; 39.Center for Astronomy, Ibaraki University, Ibaraki 310-8512, Japan; 40.Tokyo Electron Technology Solutions Limited, Iwate 023-1101, Japan
Recommended Citation GB/T 7714	Akiyama, Kazunori,Algaba, Juan-Carlos,An, Tao,et al. Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)[J]. Galaxies,2022,10(6):113.
APA	Akiyama, Kazunori.,Algaba, Juan-Carlos.,An, Tao.,Asada, Keiichi.,Asanok, Kitiyanee.,...&Zhong, Weiye.(2022).Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN).Galaxies,10(6),113.
MLA	Akiyama, Kazunori,et al."Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)".Galaxies 10.6(2022):113.

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