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Weak Merging Scenario of CLASH Cluster A209
《Research in Astronomy and Astrophysics》2024年第4期174-182,共9页Wen-Cheng Feng Heng Yu Hai-Hui Zhao Xiao-Lan Hou Shu-Mei Jia Cheng-Kui Li Yu-Lin Cheng Paolo Tozzi Ming Sun Yong Chen 
supported by the National Natural Science Foundation of China(grant Nos.U2038104 and 11703014);the Bureau of International Cooperation,Chinese Academy of Sciences(GJHZ1864)。
We study the structural and dynamical properties of A209 based on Chandra and XMM-Newton observations.We obtain detailed temperature,pressure,and entropy maps with the contour binning method,and find a hot region in t...
关键词：X rays:galaxies:clusters galaxies:clusters:intracluster medium galaxies:clusters:Abell 209 
Circular Polarization of Fast Radio Bursts in the Curvature Radiation Scenario
《Research in Astronomy and Astrophysics》2022年第7期206-213,共8页Hao Tong Hong-Guang Wang 
The curvature radiation is applied to the explanation of the circular polarization of fast radio bursts(FRBs).Significant circular polarization is reported in both apparently non-repeating and repeating FRBs.Curvature...
关键词：stars:magnetars (stars:)pulsars:general POLARIZATION 
A Common Envelope Jets Supernova(CEJSN) Impostor Scenario for Fast Blue Optical Transients
《Research in Astronomy and Astrophysics》2022年第5期87-97,共11页Noam Soker 
supported by the Amnon Pazy Research Foundation;the Asher Space Research Fund at the Technion。
I propose a new scenario,the polar common envelope jets supernova(CEJSN)impostor scenario,to account for AT2018 cow-like fast blue optical transients(FBOTs).The polar CEJSN impostor scenario evolves through four main ...
关键词：neutron stars-supernovae-stellar jets-common envelope binary stars-transient sources 
A strange star scenario for the formation of eccentric millisecond pulsar PSR J1946+3417
《Research in Astronomy and Astrophysics》2021年第9期185-192,共8页Long Jiang Na Wang Wen-Cong Chen Wei-Min Liu Chun-Wei Leng Jian-Ping Yuan Xiang-Li Qian 
supported by the CAS‘Light of West China’Program(Grant No.2018-XBQNXZ-B-022);the National Natural Science Foundation of China(Grant Nos.11803018,11733009,11773015,U2031116 and 11605110);the National Key Research and Development Program of China(Grant No.2016YFA0400803);the Program for Innovative Research Team(in Science and Technology)at the University of Henan Province;the Key laboratory of Modern Astronomy and Astrophysics(Nanjing University),Ministry of Education。
PSR J1946+3417 is a millisecond pulsar(MSP)with a spin period P?3.17 ms.Harbored in a binary with an orbital period Pb?27 days,the MSP is accompanied by a white dwarf(WD).The masses of the MSP and the WD were determin...
关键词：stars:neutron stars:evolution pulsars:individual(J1946+3417) 
Classification of stellar populations in globular clusters
《Research in Astronomy and Astrophysics》2017年第5期107-112,共6页Yue Wang Gang Zhao Hai-Ning Li 
supported by the National Natural Science Foundation of China (Grant Nos. 11303040, 11390371, 11573032 and 1233004);the Strategic Priority Research Program "The Emergence of Cosmological Structures of the Chinese Academy of Sciences" (Grant No. XDB09000000)
Possessing multiple stellar populations has been accepted as a common feature of globular clusters（GCs）. Different stellar populations manifest themselves with different chemical features,e.g. the well-known O-Na an...
关键词：stellar populations stars criterion distinguish scenario primordial abundance manifest constraint 
SN 1054: A pulsar-powered supernova?
《Research in Astronomy and Astrophysics》2015年第11期1823-1831,共9页Shao-Ze Li Yun-Wei Yu Yan Huang 
supported by the National Natural Science Foundation of China (Grant No. 11473008);the funding for the Authors of National Excellent Doctoral Dissertations of China (Grant No. 201225);the Program for New Century Excellent Talents in University (Grant No. NCET-13-0822)
The famous ancient supernova SN 1054 could have been too bright to be explained in the “standard” radioactive-powered supernova scenario. As an alternative attempt, we demonstrate that the spin-down of the newly bor...
关键词：scenario powered neutron gamma bright ancient luminosity attempt radioactive stars 
Binary population synthesis for the core-degenerate scenario of type Ia supernova progenitors
《Research in Astronomy and Astrophysics》2015年第10期1701-1712,共12页Wei-Hong Zhou Bo Wang Xiang-Cun Meng Dong-Dong Liu Gang Zhao 
supported by the National Basic Research Program of China(973 program,2014CB845700);the National Natural Science Foundation of China(Grant Nos.11322327,11390371,11473063,11033008 and 61561053);the Foundation of State Ethnic Affairs Commission(Grant No.12YNZ008);the Science Foundation of Key Laboratory in Software Engineering(Grant No.2012SE402);the Natural Science Foundation of Yunnan Province(Grant Nos.2013FB083 and 2013HB097)
The core-degenerate （CD） scenario has been suggested to be a possible progenitor model of type Ia supernovae （SNe Ia）, in which a carbon-oxygen white dwarf merges with the hot CO core of a massive asymptotic giant...
关键词：binaries： close -- stars： evolution -- supernovae： general 
An interacting two-fluid scenario for dark energy in a Bianchi type-I cosmological model
《Research in Astronomy and Astrophysics》2012年第5期473-484,共12页Triloki Singh Raghavendra Chaubey 
We study the evolution of the dark energy parameter within a Bianchi type-I cosmological model filled with barotropic fluid and dark energy. The solutions have been obtained for power law and exponential forms of the ...
关键词：cosmological model -- dark energy parameter -- barotropic fluid 
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