报告人：Dr. Giommi Paolo（意大利空间局ASI）
主持人：熊少林 副研究员
时间：6月18日下午3点
地点：物理楼B326
报告简介:
The speaker will present some recent multi-frequency and time domain observations of blazars, the only type of extragalactic sources capable of emitting radiation across the entire electromagnetic spectrum, and possibly beyond, through other channels. Blazars are the most powerful and most energetic cosmic accelerators known, so particular attention will be given to the X-ray, gamma-ray and VHE energy bands. In particular, the number of blazar expected to be found in upcoming and mid-term future VHE observations (e.g. Fermi and CTA) will be estimated together with their contribution to the extragalactic backgrounds. Finally, the speaker will describe some recent attempts to open the field of multi-messenger astronomy. This will include the possible association of some of the most energetic blazars with IceCube neutrinos and ultra high energy cosmic rays, and an estimate of the contribution of blazars to the neutrino extragalactic background.
报告人简介：
Giommi Paolo博士是一位经验丰富的天体物理学家，发表了1000多篇论文，总引用3万2千多次，H因子86。现为意大利空间局（ASI）数据中心主任。Paolo博士作为BeppoSAX、Swift、Fermi以及AGILE天文望远镜的核心成员，曾四次获得“布鲁诺罗西奖”。他还入选了2014年汤姆逊路透社发布的“高引用学者”以及“2014年世界最有影响的科学思想”。
