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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Tracing the Evolution of SMBHs and Stellar Objects in Galaxy Mergers: A Multi-mass Direct N-body Model
星系合并 SMBH 恒星物体演化 多质量 直接N体模型
2023/11/13
By using direct N-body numerical simulations, we model the dynamical coevolution of two supermassive black holes (SMBHs) and the surrounding stars in merging galaxies. In order to investigate how diff...
Tracing star formation in galaxies with molecular line and continuum observations
molecular line continuum observations
2014/12/23
We report our recent progress on extragalactic spectroscopic and continuum observations, including HCN(J=1–0), HCO+(J=1–0), and CN(N=1–0) imaging surveys of local Seyfert and starburst galaxies using ...
Dissecting high-mass star-forming regions; tracing back their complex formation history
Dissecting high-mass star-forming regions complex formation history
2011/8/24
We present near-infrared JHKs imaging as well as K-band multi-object spectroscopy of the massive stellar content of W3 Main using LUCI at the LBT. We confirm 13 OB stars by their absorption line spect...
Dissecting high-mass star-forming regions; tracing back their complex formation history
high-mass star-forming regions tracing complex formation
2011/9/26
We present near-infrared JHKs imaging as well as K-band multi-object spectroscopy of the massive stellar content of W3 Main using LUCI at the LBT. We confirm 13 OB stars by their absorption line spect...
Adaptive image ray-tracing for astrophysical simulations
Adaptive image ray-tracing astrophysical simulations
2011/1/11
A technique is presented for producing synthetic images from numerical simulations whereby the image resolution is adapted around prominent features. In so doing, adaptive image ray-tracing (AIR) impr...
The global dust SED: Tracing the nature and evolution of dust with DustEM
Galaxy Astrophysics (astro-ph.GA)
2011/1/4
The Planck and Herschel missions are currently measuring the farIR-mm emission of dust, which combined with existing IR data, will for the first time provide the full SED of the galactic ISM dust emis...
A bias in cosmic shear from galaxy selection: results from ray-tracing simulations
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/22
We identify and study a previously unknown systematic effect on cosmic shear measurements, caused by the selection of galaxies used for shape measurement, in particular the rejection of close (blended...
Tracing shock evolution in yso Jets。
RAY-TRACING STUDY ABOUT INITIAL CONDITIONS OF MULTICOMPONENT WHISTLERS IN THE ASYMMETRIC MODEL OF THE MAGNETOSPHERE
RAY-TRACING MAGNETOSPHERE MULTICOMPONENT WHISTLERS
2009/4/16
RAY-TRACING STUDY ABOUT INITIAL CONDITIONS OF MULTICOMPONENT WHISTLERS IN THE ASYMMETRIC MODEL OF THE MAGNETOSPHERE。