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SHAO Astrophysics Colloquia

Title: Comparing radiative transfer models and observations of astrophysical dust

Speaker: Peter Scicluna, (ASIAA)

Time: 3 PM, Dec. 08 (Thursday)

Location: Lecture Hall, 3rd floor

Abstract: Modern astronomy often relies upon models to interpret observations. In particular, because optical-depth effects play a major role in the propagation of light, radiative transfer modelling is crucial. I will briefly review methods of radiative transfer, along with their strengths, weaknesses, and example applications, before discussing a selection of recent and future work on systems with complex geometries in greater detail. In particular, I will explore the influence of clumpiness on observations of extinction and emission in dusty circum- and interstellar media.

 Galaxy Seminar

Location: 1714

Contact: Jian Fu, Fangting Yuan, Chunyan Jiang, Zhaoyu Li, Ting Xiao

Time: 10:30,Dec.07( Wednesday)

Title: Measuring the Hubble Constant, SMBH mass and beyond with H2O megamaser disks

Speaker: 高峰

Group meetings

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

Location:1608

Time:14:00-16:00, Dec.07( Wednesday)

Speaker: Feng Yuan

Title: Simulating galaxy formation with black hole driven thermal and kinetic feedback

http://adsabs.harvard.edu/abs/2016arXiv160703486W

Fuguo Xie:

Title: The small observed scale of AGN-driven outflows, and inside-out disc quenching

http://adsabs.harvard.edu/abs/2016MNRAS.462.4055Z

Galactic Dynamics Group Journal Club

Location:1608

Time:9:30-11:00,Dec. 08 (Thursday)

Speaker: Yingying Zhou

Title: Kinematics in the Galactic Bulge with APOGEE: II. High-Order Kinematical Moments and Comparison to Extragalactic Bar Diagnostics

Abstract:

From the LOSVD map of APOGEE, they find that the models do not reproduce the observed LOSVD skewness patterns and find evidence in the MW of the skewness-velocity correlation that is used as a diagnostic of extragalactic bar/bulges. This correlation appears in metal-rich stars only, providing further evidence for different evolutionary histories of chemically differentiated populations. They connect these skewness measurements to previous work on high-velocity "peaks" in the inner Galaxy, confirming the presence of that phenomenon, and they quantify the cylindrical rotation of the inner Galaxy, finding that the latitude-independent rotation vanishes outside of l ~ 7 deg.

 
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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