The Bulletin of The Korean Astronomical Society (천문학회보)
- Volume 35 Issue 2
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- Pages.34.2-34.2
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- 2010
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- 1226-2692(pISSN)
The monitoring inner jet of 3C84 with GMVA
- Kim, Min-Joong (Department of Astronomy and Space Science, Sejong University) ;
- Lee, Sang-Sung (Korea Astronomy and Space Science Institute) ;
- Krichbaum, T.P. (Max-Pank-Institut fur Radioastronomie) ;
- Kim, Sung-Eun (Department of Astronomy and Space Science, Sejong University)
- Published : 2010.10.06
Abstract
The 3C84 (NGC 1275), one of Seyfert 2 galaxy, is an interesting object with its peculiar sub-mas structure. We found that the inner jet (r < 2.5mas) of 3C84 seemed to even changed its position angle and flux over one and a half years based on the result of global 86GHz VLBI survey (Lee et al. 2008). In order to confirm the 'precession' of jet, we observed the object in 4 epochs May07, Oct.07, May08 and Oct.08 with the GMVA (Global mm-VLBI Array) at 3mm (86.25GHz) and the each observation time is about 14 hours. Here we present observation and preliminary result of Oct.07 and May08 epochs.
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