Sub-Parsec-Scale Acceleration of the Radio Jet in the Powerful Radio Galaxy NGC 6251 | Zendy

Hiroshi Sudou | Zendy; Yoshiaki Taniguchi | Zendy; Youichi Ohyama | Zendy; Seiji Kameno | Zendy; Satoko SawadaSatoh | Zendy; Makoto Inoue | Zendy; Osamu Kaburaki | Zendy; Tetsuo Sasao | Zendy

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Sub-Parsec-Scale Acceleration of the Radio Jet in the Powerful Radio Galaxy NGC 6251

Author(s) -

Hiroshi Sudou,

Yoshiaki Taniguchi,

Youichi Ohyama,

Seiji Kameno,

Satoko SawadaSatoh,

Makoto Inoue,

Osamu Kaburaki,

Tetsuo Sasao

Publication year - 2000

Publication title -

publications of the astronomical society of japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.99

H-Index - 110

eISSN - 2053-051X

pISSN - 0004-6264

DOI - 10.1093/pasj/52.6.989

Subject(s) - very long baseline interferometry , physics , parsec , astrophysics , jet (fluid) , radio galaxy , x shaped radio galaxy , astronomy , active galactic nucleus , galaxy , acceleration , very long baseline array , relativistic beaming , classical mechanics , thermodynamics

In order to investigate the genesis of powerful radio jet, we have mapped thecentral 10 pc region of the nearby radio galaxy NGC 6251 with a 0.2 pcresolution using Very Long Baseline Interferometer (VLBI) at two radiofrequencies, 5 GHz and 15 GHz, we have found the sub-parsec-scale counterjetfor the first time in this radio galaxy. This discovery allows us toinvestigate the jet acceleration based on the relativistic beaming model.Comment: 7 pages with 7 figures. To appear in PASJ, 52, No. 5, Oct. 25, 200

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