BURSTS

作品数:192被引量:232H指数:8
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相关作者:陈彬王传兵田晖更多>>
相关机构:北京大学中国科学技术大学湘潭大学中国科学院国家天文台更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金高等学校学科创新引智计划更多>>
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Polarization Study of Swift J151857.0–572147 with IXPE Observation
《Research in Astronomy and Astrophysics》2024年第9期60-65,共6页Yu-Shan Ling Fei Xie Ming-Yu Ge Fabio La Monaca 
supported by the National Key R&D Program of China(grant No.2023YFE0117200);the National Natural Science Foundation of China(NSFC,grant Nos.12373041 and 12373051);special funding for Guangxi distinguished professors(Bagui Xuezhe);the Guangxi Talent Program(Highland of Innovation Talents)。
We present an analysis of the Imaging X-ray Polarimetry Explorer observation from a newly discovered transient source:Swift J151857.0-572147.The obtained polarization degree(PD)and angle are 0.3%±0.3% and -24°±26°...
关键词:stars:black holes POLARIZATION X-rays:bursts 
X-Ray Source Classification Using Machine Learning:A Study with EP-WXT Pathfinder LEIA
《Research in Astronomy and Astrophysics》2024年第8期175-195,共21页Xiaoxiong Zuo Yihan Tao Yuan Liu Yunfei Xu Wenda Zhang Haiwu Pan Hui Sun Zhen Zhang Chenzhou Cui Weimin Yuan 
supported by the National Key Research and Development Program of China(2022YFF0711500);National Natural Science Foundation of China(NSFC,grant Nos.12373110,12273077,12103070,and 12333004);the Strategic Priority Research Program of the Chinese Academy of Sciences(grant Nos.XDA15310300,XDB0550200,XDB0550100,and XDB0550000);supported by China National Astronomical Data Center(NADC);Chinese Virtual Observatory(China-VO);supported by Astronomical Big Data Joint Research Center,cofounded by National Astronomical Observatories,Chinese Academy of Sciences and Alibaba Cloud。
X-ray observations play a crucial role in time-domain astronomy.The Einstein Probe(EP),a recently launched X-ray astronomical satellite,emerges as a forefront player in the field of time-domain astronomy and high-ener...
关键词:methods data analysis-X-rays binaries-stars VARIABLES general-X-rays BURSTS 
Temporal and Spectral Characteristics of Persistent Emission and Special Bursts of Magnetar SGR J1935+2154 Based on Insight-HXMT
《Research in Astronomy and Astrophysics》2024年第6期225-233,共9页Xue-Feng Lu Li-Ming Song Ming-Yu Ge Shuang-Nan Zhang Jin-Lu Qu Ce Cai Cong-Zhan Liu Cheng-Kui Li Yu-Cong Fu Ying-Chen Xu 
supported by International Partnership Program of Chinese Academy of Sciences(grant No.113111KYSB20190020);by the National Key R&D Program of China(2021YFA0718500)from the Minister of Science and Technology of China(MOST);supports from the National Natural Science Foundation of China under Grants U1938109,12333007,12173103,U2038101,U1938103,12333007,12303045,U1938201 and 11733009。
In October 2022,the magnetar SGR J1935+2154 entered the active outburst state.During the episode,the InsightHXMT satellite carried out a long observation that lasted for 20 days.More than 300 bursts were detected,and ...
关键词:radiation mechanisms:general dense matter magnetic fields 
Spin Evolution of the Magnetar SGR J1935+2154
《Research in Astronomy and Astrophysics》2024年第1期201-211,共11页Ming-Yu Ge Yuan-Pei Yang Fang-Jun Lu Shi-Qi Zhou Long Ji Shuang-Nan Zhang Bing Zhang Liang Zhang Pei Wang Kejia Lee Weiwei Zhu Jian Li Xian Hou Qiao-Chu Li 
supported by the National Key R&D Program of China(2021YFA0718500)from the Minister of Science and Technology of China(MOST);supports from the National Natural Science Foundation of China under grants 12173103,12003028,U2038101,U2038102 and 11733009;supported by International Partnership Program of Chinese Academy of Sciences(grant No.113111KYSB20190020);the National SKA Program of China(2022SKA0130100);the China Manned Spaced Project(CMS-CSST-2021-B11)。
Fast radio bursts(FRBs)are short pulses observed in radio frequencies usually originating from cosmological distances.The discovery of FRB 200428 and its X-ray counterpart from the Galactic magnetar SGR J1935+2154sugg...
关键词:(stars:)pulsars:general (stars:)pulsars:individual(SGR J1935+2154) X-rays:bursts 
Statistical Properties of X-Ray Bursts from SGR J1935+2154 Detected by Insight-HXMT被引量:1
《Research in Astronomy and Astrophysics》2023年第11期112-117,共6页Wen-Long Zhang Xiu-Juan Li Yu-Peng Yang Shuang-Xi Yi Cheng-Kui Li Qing-Wen Tang Ying Qin Fa-Yin Wang 
supported by the National Key R&D Program of China(2021YFA0718500);the National Natural Science Foundation of China under grants U2038106 and 12065017;partially by the Jiangxi Provincial Natural Science Foundation under grant 20224ACB211001。
As one class of the most important objects in the universe,magnetars can produce a lot of different frequency bursts including X-ray bursts.In Cai et al.,75 X-ray bursts produced by magnetar SGR J1935+2154 during an a...
关键词:stars:magnetars X-rays:bursts magnetic reconnection 
Detection of Quasi-periodic Oscillations in SGR 150228213
《Research in Astronomy and Astrophysics》2023年第8期277-289,共13页Run-Chao Chen Can-Min Deng Xiang-Gao Wang Zi-Min Zhou Xing Yang Da-Bin Lin Qi Wang En-Wei Liang 
supported by the National Natural Science Foundation of China(grant Nos.12203013,12273005,and U1938201);China Manned Spaced Project(CMS-CSST-2021-B11);the Guangxi Science Foundation(grant Nos.AD22035171 and 2023GXNSFBA026030)。
The detection of quasi-periodic oscillations(QPOs)in magnetar giant flares(GFs)has brought a new perspective to studies of the mechanism of magnetar bursts.Due to the scarcity of GFs,searching for QPOs in magnetar sho...
关键词:methods statistical-(stars:)pulsars individual(4U 0142+61)-X-rays BURSTS 
AstroSat Observations of the Be/X-Ray Binary XTE J1946+274 During 2018 and 2021 Outbursts
《Research in Astronomy and Astrophysics》2023年第4期26-43,共18页Amar Deo Chandra Jayashree Roy P.C.Agrawal 
We present the timing and spectral studies of the Be/X-ray binary XTE J1946+274 during its 2018 and 2021 giant outbursts using observations with the SXT and LAXPC instruments on the AstroSat satellite.Unlike the 1998 ...
关键词:accretion-accretion disks-stars neutron-(stars:)pulsars general-X-rays binaries-stars emission-line-Be-X-rays BURSTS 
A Possible 250s X-Ray Quasi-periodicity in the Fast Blue Optical Transient AT2018cow
《Research in Astronomy and Astrophysics》2022年第12期299-310,共12页Wenjie Zhang Xinwen Shu Jin-Hong Chen Luming Sun Rong-Feng Shen Lian Tao Chun Chen Ning Jiang Liming Dou Ying Qin Xue-Guang Zhang Liang Zhang Jinlu Qu Tinggui Wang 
supported by the National Natural Science Foundation of China(NSFC,Grant Nos.11822301,12192220,12192221 and 11833007);support from the NSFC(Grant No.12122306);support from the NSFC(Grant Nos.11733009 and U2031205);support by the science research grants from the China Manned Space Project through No.CMS-CSST-2021-A06。
The fast blue optical transients(FBOTs)are a new population of extragalactic transients of unclear physical origin.A variety of mechanisms has been proposed including failed supernova explosion,shock interaction with ...
关键词:black hole physics X-rays:individual(AT2018cow) X-rays:bursts 
Research on the Magnetic Field of NGC 7793 P13 and Other Confirmed Pulsating Ultraluminous X-Ray Sources
《Research in Astronomy and Astrophysics》2022年第11期207-213,共7页Fan-Liang Meng Yuan-Yue Pan Zhao-Sheng Li 
supported by the National Natural Science Foundation of China(12130342,12273030 and U1938107)。
A pulsating ultraluminous X-ray source(PULX)is a new kind of pulsar(PSR)whose characteristics are different from all known neutron stars.The magnetic field of PULX is suspected to be the main reason to support its sup...
关键词:stars:neutronll(stars:)pulsars stars:evolution stars:magnetic field accretion accretion disks X-rays:bursts stars:magnetars 
Evolvement of microwave spike bursts in a solar flare on 2006 December 13被引量:1
《Research in Astronomy and Astrophysics》2021年第6期359-368,共10页Jian-Fei Tang De-Jin Wu Jun-Lin Wan Ling Chen Cheng-Ming Tan 
supported by 2018-XBQNXZ-A-009 and 2017-XBQNXZ-A-007;by the National Natural Science Foundation of China(Grant Nos.11673055,41531071,11873018,11773061,11790301 and 11973057);the Tianshan Youth funding(Grant 2017Q401);by Key Laboratory of Solar Activity at National Astronomical Observatories,CAS。
Solar radio spikes are one of the most intriguing spectral types of radio bursts.Their very short lifetimes,small source size and super-high brightness temperature indicate that they should be involved in some strong ...
关键词:Sun:activity Sun:flares Sun:radio radiation 
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