0319-454 - AN FR-II GIANT RADIO GALAXY WITH TWIN JETS

被引：20
|
作者：
SARIPALLI, L
SUBRAHMANYAN, R
HUNSTEAD, RW
机构：
[1] UNIV BONN,INST ASTROPHYS,D-53121 BONN 1,GERMANY
[2] UNIV SYDNEY,SCH PHYS,SYDNEY,NSW 2006,AUSTRALIA
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1994年 / 269卷 / 01期
关键词：
GALAXIES; ACTIVE; INDIVIDUAL; 0319; 454; JETS; RADIO CONTINUUM;
D O I：
10.1093/mnras/269.1.37
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present radio images of the edge-brightened giant radio galaxy 0319-454 made with the Australia Telescope at frequencies 1.5, 2.4 and 4.8 GHz. The observations show a jet and a counterjet out to exceptional distances of 380 and 590 kpc, respectively, from the radio core. 0319-454 is therefore one of only three powerful radio galaxies observed to date to have twin quasi-continuous jets. The NE lobe of the double radio structure has an extremely rare configuration of five compact hotspots that may be classified into a primary and a cluster of four secondaries. Optical imaging of the parent galaxy reveals a prominent, warped dust lane, and a highly disturbed structure that is indicative of past merger activity.
引用
收藏
页码：37 / 51
页数：15
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