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SHAO Astrophysics Colloquia

Title: Multi-messenger approach to study the origin of high-energy cosmic rays

Speaker: Xiang-Yu Wang (Nanjing University)

Time: 3 PM, June 29 (Thursday)

Location: Lecture Hall, 3rd floor

Abstract:  Cosmic rays are extremely energetic charged particles  with energy up to 10^20 eV. Although these particles have been discovered for more than 100 years, the astrophysical sources of them are still unknown. As cosmic rays produce secondary neutrinos and gamma-rays within the source or during the propagation,  neutrino and gamma-ray

are important messengers to study the origin of the parent cosmic rays.  In recent years, a lot of progress has been made in this area, thanks to IceCube and Fermi observatories. I will discuss the multi-messenger approach, incorporating gamma-ray, neutrino and cosmic ray research, in studying the origin of Galactic and extra-Galactic cosmic rays.

Group meetings

Black hole Accretion and High-energy Astrophysics /Black Hole Feedback and Cosmic Ray Astrophysics Seminar

Location: 1608

Time: 14:00-16:00, Wednesday(Jun 28th)

Speaker: Defu Bu

Title: Magnetohydrodynamic Accretion Disk Winds as X-ray Absorbers in Active Galactic Nuclei

http://adsabs.harvard.edu/abs/2010ApJ...715..636F

Speaker: Bin Liu
Title: Polar Alignment of a Protoplanetary Disk around an Eccentric Binary

http://adsabs.harvard.edu/abs/2017ApJ...835L..28M

 
中心简介
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    天体物理研究室是上海天文台从事基础天体物理研究的主要机构,包括12个科研团组。研究室的研究方向涉及黑洞和高能天体物理、星系形成与演化、宇宙大尺度 结构、星团和银河系结构、恒星形成、以及行星天体物理等领域,在黑洞吸积与喷流理论、黑洞和星系的共同演化、银河系结构与动力学、计算天体物理等方向具有一定的国际影响力。研究室现有固定研究人员固定研究人员45名,博士后16名,研究生65名。固定研究人员中包括国家杰出青年基金获得者3人、优秀青年基金获得者2人、科学院“百人计划”入选者9人。
    研究室与国内外的天文研究机构有着密切的合作关系,与中国科技大学联合成立了“中国科学院星系和宇宙学重点实验室”,与厦门大学成立了天体物理联合中心。研究室还参与了多项国际、国内天文项目和观测计划,如LAMOST、HXMT、SDSS-IV、TMT、LSST、FAST等。
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