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Flip of the jet head position of 3C 84 in 2015

Published online by Cambridge University Press:  07 April 2020

M. Kino Open the ORCID record for M. Kino [Opens in a new window] ,
H. Nagai ,
K. Wajima ,
N. Kawakatu ,
M. Orienti ,
G. Giovannini ,
K. Hada ,
K. Niinuma  and
M. Giroletti
M. Kino
Affiliation:
Kogakuin University of Technology & Engineering, Academic Support Center, 2665-1 Nakano, Hachioji, Tokyo192-0015, Japan National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo, 181-8588, Japan
H. Nagai
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo, 181-8588, Japan
K. Wajima
Affiliation:
Korea Astronomy and Space Science Institute, 776 Daedeokdae-ro, Yuseong-gu, Daejeon34055, Republic of Korea
N. Kawakatu
Affiliation:
National Institute of Technology, Kure College, 2-2-11, Agaminami, Kure, Hiroshima, 737-8506, Japan
M. Orienti
Affiliation:
INAF - Istituto di Radioastronomia, via Gobetti 101, 40129 Bologna, Italy
G. Giovannini
Affiliation:
INAF - Istituto di Radioastronomia, via Gobetti 101, 40129 Bologna, Italy Dipartimento di Astronomia, Universita’ di Bologna, via Gobetti 103/2, I-40129, Bologna, Italy
K. Hada
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo, 181-8588, Japan
K. Niinuma
Affiliation:
Graduate School of Sciences and Technology for Innovation, Yamaguchi University, 1677-1 Yoshida, Yamaguchi, Yamaguchi753-8512, Japan
M. Giroletti
Affiliation:
INAF - Istituto di Radioastronomia, via Gobetti 101, 40129 Bologna, Italy
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Abstract

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By performing the multi-epoch monitoring observation with KaVA at 43 GHz, we investigate the kinematics of the notable newborn bright component C3 located at the tip of the recurrent jet of 3C 84. During 2015 August-September,we discover the positional flip of the C3 component about 0.4 milli-arcsecond in angular scale. The flux density of the C3 component coherently showed the monotonic increase after the flip during our monitoring period. These phenomena are in good agreement with characteristic behaviors of a jet propagation in clumpy ambient medium predicted in hydrodynamical simulations.

Keywords

galaxies: activegalaxies: jetsradio continuum: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S342: Perseus in Sicily: From Black Hole to Cluster Outskirts , May 2018 , pp. 227 - 228
Copyright
© International Astronomical Union 2020

References

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