천문학회보 (The Bulletin of The Korean Astronomical Society)
- 제42권1호
- /
- Pages.47.1-47.1
- /
- 2017
- /
- 1226-2692(pISSN)
The recent activities for a precise astrometry using SFPR with KVN
- Cho, Ilje (Korea Astronomy and Space Science Institute) ;
-
Jung, Taehyun
(Korea Astronomy and Space Science Institute)
;
-
Sohn, Bongwon
(Korea Astronomy and Space Science Institute)
;
- Kino, Motoki (Korea Astronomy and Space Science Institute) ;
- Zhao, Guangyao (Korea Astronomy and Space Science Institute) ;
- Rioja, Maria Jose (International Centre for Radio Astronomy Research) ;
- Dodson, Richard (International Centre for Radio Astronomy Research) ;
- Agudo, Ivan (Instituto de Astrofisica de Andalucia)
- 발행 : 2017.04.10
초록
Thanks to the quasi-optics system of KVN, the relative astrometry at different frequencies can be effectively achieved. In this talk, as a part of the KVN special session, we are going to present an important method making it possible, so called the source frequency phase referencing (SFPR). Based on the background, we will show our recent activities using the SFPR for the Galactic Center (Sgr A*) study, from its advantages on astrometric studies to the remained issues.
키워드