The GENJI Programme : Gamma-Ray Emitting Notable AGN Monitoring by Japanese VLBI
The GENJI Programme : Gamma-Ray Emitting Notable AGN Monitoring by Japanese VLBI
复制标题
GENJI 计划：日本 VLBI 进行的伽马射线发射显着 AGN 监测
DOI：
10.1093/pasj/65.2.24
复制
发表时间：
2013
影响因子：
2.3
通讯作者：
K.
中科院分区：
文献类型：
--
作者：
Nagai;H.;Kino;M.;Niinuma;K.;Akiyama K.;Hada;K.;Koyama;S.;Orienti M.;Hiura;K.;Sawada-Satoh S.;Honma;M.;Giovannini;G.;Giroletti;M.;Shibata;K. and Sorai;K.
本文介绍了日本VLBI项目对伽马射线发射显著活动星系核（AGN）的监测，即利用VLBI射电天文探测（VERA）阵列对伽马射线明亮活动星系核的监测。该计划旨在对发射射线的agn进行22 GHz的密集监测，以研究射电核心的时间变化和可能的新射电成分的喷射，射流的运动以及它们与其他波长，特别是射线发射的关系。我们目前大约每两周监测8个显著的辐射agn （DA 55、3C 84、m87、PKS 1510089、DA 406、NRAO 530、BL Lac和3C 454.3）一次。该方案有望在较短的时间尺度上追踪无线电时间变化的趋势，比传统的VLBI监测方案更有希望，并与其他方案（例如MOJAVE；波士顿大学Blazar项目）的数据相补充。特别是在Fermi伽玛射线空间望远镜报告的NRAO 530和3C 454.3的gev射线耀斑后，我们成功地进行了快速的后续观测。在这里，我们给出了第一个7个月手术的形态学和光曲线的初步结果。
We introduce the gamma-ray emitting notable active galactic nucleus (AGN) monitoring by Japanese VLBI programme, which is the monitoring of gamma-ray bright AGNs with the VLBI Exploration of Radio Astrometry (VERA) array. This programme aims to conduct dense monitoring at 22 GHz toward the-ray emitting AGNs to investigate the time variation of the radio core and possible ejection of a new radio component, the motion of jets, and their relations with the emission at other wavelengths, especially at-rays. We are currently monitoring 8 notable-ray-emitting AGNs (DA 55, 3C 84, M 87, PKS 1510089, DA 406, NRAO 530, BL Lac, and 3C 454.3) about once every two weeks. This programme is promising for tracing the trend of radio time variation on shorter time scale than conventional VLBI monitoring programmes and is complementary to data of other programmes (e.g., MOJAVE; Boston University Blazar Project). In particular, we successfully carried out quick follow-up observations after the GeV-ray flare in NRAO 530 and 3C 454.3 reported by the Fermi Gamma-ray Space Telescope. Here, we present the initial results of morphology and light curves for the first 7-month operation.