| Title | BAT AGN Spectroscopic Survey - XVII. The parsec-scale jet properties of the ultrahard X-ray-selected local AGNs |
| Authors | Baek, Junhyun Chung, Aeree Schawinski, Kevin Oh, Kyuseok Wong, O. Ivy Koss, Michael Ricci, Claudio Trakhtenbrot, Benny Smith, Krista Lynne Ueda, Yoshihiro |
| Affiliation | Yonsei Univ, Dept Astron, 50 Yonsei Ro, Seoul 03722, South Korea Swiss Fed Inst Technol, Inst Particle Phys & Astrophys, Wolfgang Pauli Str 27, CH-8093 Zurich, Switzerland Kyoto Univ, Dept Astron, Sakyo Ku, Oiwake Cho, Kyoto 6068502, Japan Univ Western Australia, Int Ctr Radio Astron Res M468, 35 Stirling Hwy, Crawley, WA 6009, Australia Eureka Sci Inc, 2452 Delmer St Suite 100, Oakland, CA 94602 USA Pontificia Univ Catolica Chile, Fac Fis, Inst Astrofis, Casilla 306, Santiago 22, Chile Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel Stanford Univ, SLAC Natl Accelerator Lab, Kavli Inst Particle Astrophys & Cosmol, Menlo Pk, CA 94025 USA |
| Keywords | galaxies: jets galaxies: nuclei radio continuum: galaxies X-rays: galaxies |
| Issue Date | 2019 |
| Publisher | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY |
| Abstract | We have performed a very long baseline interferometry (VLBI) survey of local (z < 0.05) ultrahard X-ray (14-195 keV) selected active galactic nuclei (AGNs) from the Swift Burst Alert Telescope (BAT) using KVN, KaVA, and VLBA. We first executed fringe surveys of 142 BAT-detected AGNs at 15 or 22 (HU. Based on the result from the fringe surveys and archival data, we find 10/279 nearby AGN (similar to 4 per cent) VLBI have 22 GHz flux above 30 mJy. This implies that the X-ray AGNs with a bright nuclear jet are not common. Among these 10 radio-bright AGNs, we obtained 22 GHz VLBI imaging data of our own for four targets and reprocessed archival data for six targets. We find that, although our 10 AGNs observed with VLBI span a wide range of pc-scale morphological types, they lie on a tight linear relation between accretion luminosity and nuclear jet luminosity. Our result suggests that a powerful nuclear radio jet correlates with the accretion disc luminosity. We also probed the Fundamental Plane of black hole activity at VLBI scales (e.g. few milliarcsecond). The jet luminosity and size distribution among our sample roughly fit into the proposed AGN evolutionary scenario, finding powerful jets after the blow-out phase based on the Eddington ratio (lambda(Edd)) hydrogen column density (N-H) relation. In addition, we find some hints of gas inflow or galaxy galaxy merger in the majority of our sample. This implies that gas supply via tidal interactions in galactic scale may help the central AGN to launch a powerful parsec-scale jet. |
| URI | http://hdl.handle.net/20.500.11897/545456 |
| ISSN | 0035-8711 |
| DOI | 10.1093/mnras/stz1995 |
| Indexed | SCI(E) |
| Appears in Collections: | 科维理天文与天体物理研究所 |
