The VHE γ-Ray View of the FSRQ PKS 1510-089

被引：7
|
作者：
Zacharias, Michael [1 ,2 ]
Prester, Dijana Dominis [3 ,4 ,5 ]
Jankowsky, Felix [6 ]
Lindfors, Elina [7 ,8 ]
Meyer, Manuel [9 ,10 ]
Mohamed, Mahmoud [6 ]
Prokoph, Heike [11 ]
Sanchez, David [12 ]
Sitarek, Julian [13 ]
Terzic, Tomislav [3 ,4 ,5 ]
Wagner, Stefan [6 ]
Wierzcholska, Alicja [14 ]
机构：
[1] Ruhr Univ Bochum, Ins Theoret Phys 4, RAPP Ctr, D-44780 Bochum, Germany
[2] North West Univ, Ctr Space Sci, ZA-2520 Potchefstroom, South Africa
[3] Univ Rijeka, Croatian MAGIC Consortium, Rudjer Boskovic Inst, Zagreb 10000, Croatia
[4] Univ Split, Zagreb 10000, Croatia
[5] Univ Zagreb, Zagreb 10000, Croatia
[6] Heidelberg Univ, Landessternwarte, D-69117 Heidelberg, Germany
[7] Univ Turku, Tuorla Observ, Finnish MAGIC Consortium, Oulun 90014, Finland
[8] Univ Oulu, Astron Div, Oulun 90014, Finland
[9] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, WW Hansen Expt Phys Lab, Dept Phys, Stanford, CA 94305 USA
[10] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
[11] DESY, D-15738 Zeuthen, Germany
[12] Univ Savoie Mt Blanc, CNRS, Lab Annecy Le Vieux Phys Particules, IN2P3, F-74941 Annecy Le Vieux, France
[13] Univ Lodz, Dept Astrophys, PL-90236 Lodz, Poland
[14] Polish Acad Sci, Inst Nucl Phys, PL-31342 Krakow, Poland
来源：
GALAXIES | 2019年 / 7卷 / 01期
基金：
新加坡国家研究基金会; 英国科学技术设施理事会; 澳大利亚研究理事会; 奥地利科学基金会; 日本学术振兴会;
关键词：
active galactic nuclei; blazar variability; multi-wavelength; correlation; VARIABILITY;
D O I：
10.3390/galaxies7010041
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The flat spectrum radio quasar PKS 1510-089 is a monitored target in many wavelength bands due to its high variability. It was detected as a very-high-energy (VHE) gamma-ray emitter with H.E.S.S. in 2009, and has since been a regular target of VHE observations by the imaging Cherenkov observatories H.E.S.S. and MAGIC. In this paper, we summarize the current state of results focusing on the monitoring effort with H.E.S.S. and the discovery of a particularly strong VHE flare in 2016 with H.E.S.S. and MAGIC. While the source has now been established as a weak, but regular emitter at VHE, no correlation with other energy bands has been established. This is underlined by the 2016 VHE flare, where the detected optical and high-energy gamma-ray counterparts evolve differently than the VHE flux.
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页数：11
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