SHOCKS

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The Unusual AGN Host NGC 1266:Evidence for Shocks in a Molecular Gas Rich S0 Galaxy with a Low Luminosity Nucleus
《Research in Astronomy and Astrophysics》2023年第1期48-59,共12页Peibin Chen Yinghe Zhao Junfeng Wang 
supported by the National Natural Science Foundation of China(NSFC Grant Nos.12033004,U1831205,12173079 and 12221003);the science research grants from the China Manned Space Project with Nos.CMS-CSST-2021A06 and CMS-CSST-2021-B02。
NGC 1266 is a lenticular galaxy(S0)hosting an active galactic nucleus(AGN),and known to contain a large amount of shocked gas.We compare the luminosity ratio of mid-J CO lines to IR continuum with star-forming galaxie...
关键词：GALAXIES elliptical and lenticular-cD-galaxies individual(NGC 1266)-galaxies ISM-galaxies star formation-galaxies active 
Transonic Accretion and Winds Around Pseudo-Kerr Black Holes And Comparison with General Relativistic Solutions
《Research in Astronomy and Astrophysics》2022年第3期157-167,共11页Abhrajit Bhattacharjee Sandip K.Chakrabarti Dipak Debnath 
sponsored RESPOND project(ISRO/RES/2/418/18-19);supported in part by the Higher Education Dept.of the Govt.of West Bengal,India。
Spectral and timing properties of accretion flows on a black hole depend on their density and temperature distributions,which in turn come from the underlying dynamics.Thus,an accurate description of the flow which in...
关键词：black hole physics(159) Kerr black holes(886) relativity(1393) hydrodynamics(1963) shocks(2086) 
The Ellerman bomb and ultraviolet burst triggered successively by an emerging magnetic flux rope
《Research in Astronomy and Astrophysics》2021年第9期163-179,共17页Guan-Chong Cheng Lei Ni Ya-Jie Chen Udo Ziegler Jun Lin 
supported by the National Natural Science Foundation of China(NSFC,Grant Nos.11973083 and 11933009);the Strategic Priority Research Program of CAS(Grant Nos.XDA17040507 and QYZDJ-SSWSLH012);the grants associated with the Yunling Scholar Project of the Yunnan Province and the Yunnan Province Scientist Workshop of Solar Physics;the Youth Innovation Promotion Association CAS 2017;the Applied Basic Research of Yunnan Province in China(Grant 2018FB009);the Yunnan Ten-Thousand Talents Plan-Young top talents;the project of the Group for Innovation of Yunnan Province(Grant 2018HC023);the Yunnan Ten-Thousand Talents Plan-Yunling Scholar Project;the Special Program for Applied Research on Super Computation of the NSFC-Guangdong Joint Fund(NSFC015-460,NSFC2015-463,the second phase);Computational Solar Physics Laboratory of Yunnan Observatories,the key Laboratory of Solar Activity(Grant KLSA202103)。
Ellerman bombs(EBs)and ultraviolet(UV)bursts are common brightening phenomena,which are usually generated in the low solar atmosphere of emerging flux regions.In this paper,we have investigated the emergence of an ini...
关键词：magnetic reconnection (magnetohydrodynamics)MHD SHOCKS Sun:heating Sun:low solar atmosphere Sun:magnetic flux emergence 
Effects of resistivity on standing shocks in low angular momentum flows around black holes
《Research in Astronomy and Astrophysics》2021年第6期222-232,共11页Chandra B.Singh Toru Okuda Ramiz Aktar 
supported by the National Natural Science Foundation of China(Grant No.12073021);support from the National Natural Science Foundation of China(Grant No.11373002);the Natural Science Foundation of Fujian Province of China(Grant No.2018J01007)。
We study two-dimensional low angular momentum flow around a black hole using the resistive magnetohydrodynamic module of PLUTO code.Simulations have been performed for the flows with parameters of specific angular mom...
关键词：ACCRETION accretion disks magnetohydrodynamics(MHD) methods:numerical shock waves Galaxy:center 
MHD simulations of inward shocks in Cassiopeia A
《Research in Astronomy and Astrophysics》2020年第4期39-43,共5页Chu-Yuan Yang Bi-Wen Bao Si-Ming Liu 
supported by the National Key Research&Development Program of China(2018YFA0404203);the National Natural Science Foundation of China(Grant Nos.U1931204,U1738122,11761131007,11673060and 11433004);the International Partnership Program of Chinese Academy of Sciences(114332KYSB20170008);Top Talents Program of Yunnan Province,and the Natural Science Foundation of Yunnan Province(2016FB003 and 2018FY001(-003))。
Cassiopeia A,the brightest radio supernova remnant(SNR)in the sky,has several unique characteristics in comparison to its peers.Besides its radio brightness and prominent soft-concave radio spectrum,itsγ-ray spectrum...
关键词：acceleration of particles supernovae:individual(Cassiopeia A) ISM:supernova REMNANTS X-rays:ISM 
Early acceleration of electrons and protons at the nonrelativistic quasiparallel shocks with different obliquity angles被引量：1
《Research in Astronomy and Astrophysics》2019年第12期298-304,共7页Jun Fang Chun-Yan Lu Jing-Wen Yan Huan Yu 
partially supported by the National Key R&D Program of China (2018YFA0404204);the National Natural Science Foundation of China (11873042 and 11563009);the Yunnan Applied Basic Research Projects (2016FB001 and 2018FY001(-003));partially supported by the Yunnan Applied Basic Research Projects (2016FD105);the Candidate Talents Training Fund of Yunnan Province (2017HB003);the Program for Excellent Young Talents, Yunnan University (WX069051 and 2017YDYQ01);the foundations of Yunnan Province (2016ZZX180 and 2016DG006);Kunming University (YJL15004 and XJL15015)
The early acceleration of protons and electrons in the nonrelativistic collisionless shocks with three obliquities are investigated through 1D particle-in-cell simulations. In the simulations, the charged particles po...
关键词：acceleration of particles methods:numerical shock waves 
HNCO： a molecule that traces low-velocity shocks
《Research in Astronomy and Astrophysics》2018年第2期19-36,共18页Nai-Ping Yu Jing-Long Xu Jun-Jie Wang 
supported by the National Natural Science Foundation of China(Grant No.11503037)
Using data from Millimetre Astronomy Legacy Team Survey at 90 GHz （MALT90）, we present a molecular line study of a sample of APEX Telescope Large Area Survey of the Galaxy （ATLASGAL） clumps. Twelve emission lines ...
关键词：stars： formation- ISM： abundances- ISM： clouds- ISM： molecules 
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