AFTERGLOWS

作品数:22被引量:18H指数:2
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相关领域:天文地球更多>>
相关机构:贵州大学南京大学广西大学更多>>
相关期刊:《Science China(Physics,Mechanics & Astronomy)》《Journal of Materials Science & Technology》《Science China Chemistry》《Chinese Physics Letters》更多>>
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更多>>
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Laser-rewritable room temperature phosphorescence based on in-situ polymerized tartaric acid
《Science China Chemistry》2024年第9期3029-3038,共10页Tuo-Yu Zhou Tai-Wen Li Hai-Fu Zhang Rui-Lin Chai Qian Zhao Penglin Zhang Guang-Yue Li Qian-Wen Wang Chang Li Yu Shu Zhi Fan Sheng-Hua Li 
supported by the National Natural Science Foundation of China(21801185,22001194,22201208);the Scientific Research Project of Tianjin Educational Committee(2018KJ109)。
Organic room temperature phosphorescence(RTP)materials have potential applications in information technology and bioimaging.However,the precise control of the afterglow in reversible manners remains challenging for or...
关键词:room temperature phosphorescence tunable afterglows tartaric acid laser direct writing stimuli-response 
Prediction for the Multi-band Afterglows of FRB 200428 and its Implication
《Research in Astronomy and Astrophysics》2023年第11期84-89,共6页Mei Du Shuang-Xi Yi Can-Min Deng Pei Wang 
supported by the National Natural Science Foundation of China (grant No. U2038106);China Manned Spaced Project (CMS-CSST-2021-A12);supported by the National Natural Science Foundation of China(grant No. 12203013);the Guangxi Science Foundation(grant Nos. AD22035171 and 2023GXNSFBA026030)。
The physical mechanism of fast radio bursts(FRBs) is still unknown. On 2020 April 28, a special radio burst, FRB200428, was detected and believed to be associated with the Galactic magnetar SGR 1935+2154. It confirms ...
关键词:stars:magnetars (stars:)gamma-ray bursts:general radiation mechanisms:non-thermal 
Recent progress in organic color-tunable phosphorescent materials被引量:1
《Journal of Materials Science & Technology》2022年第6期264-284,共21页Zhengshuo Wang Hua Yuan Yongzhi Zhang Dandan Wang Junping Ju Yeqiang Tan 
financially supported by the Shandong Provincial Natural Science Foundation(Nos.ZR2019YQ19 and ZR2019BEM018);the Project of Shandong Province Higher Educational Science and Technology Program(No.2019KJA026);the National Natural Science Foundation of China(Nos.51403113 and 52072193)。
Organic color-tunable phosphorescent materials depend upon multiple emission centers to achieve colortunable phosphorescence with changes in excitation wavelength,temperature,time,and other external factors.Organic co...
关键词:PHOTOPHYSICS POLYMERS PHOSPHORESCENCE AFTERGLOWS 
Revisiting gamma-ray burst afterglows with time-dependent parameters
《Research in Astronomy and Astrophysics》2018年第2期53-72,共20页Chao Yang Yuan-Chuan Zou Wei Chen Bin Liao Wei-Hua Lei Yu Liu 
supported by the National Basic Research Program of China(973 Program,Grant 2014CB845800);the National Natural Science Foundation of China(Grant Nos.11773010,U1431124 and U1738132)
The relativistic external shock model of gamma-ray burst (GRB) afterglows has been estab- lished with five free parameters, i.e., the total kinetic energy E, the equipartition parameters for electrons ee and for the...
关键词:(stars:) gamma.ray burst: general -- methods: analytical 
Polarization of gamma-ray burst afterglows in the synchrotron self-Compton process from a highly relativistic jet
《Chinese Physics C》2017年第4期108-116,共9页林海南 李昕 常哲 
Supported by Fundamental Research Funds for the Central Universities(106112016CDJCR301206);National Natural Science Fund of China(11375203,11603005);Open Project Program of State Key Laboratory of Theoretical Physics,Institute of Theoretical Physics,Chinese Academy of Sciences,China(Y5KF181CJ1)
Linear polarization has been observed in both the prompt phase and afterglow of some bright gamma-ray bursts(GRBs).Polarization in the prompt phase spans a wide range,and may be as high as 50%.In the afterglow phas...
关键词:gamma-ray burst POLARIZATION synchrotron radiation Compton scattering 
Constraint on the counter-jet emission in gamma-ray burst afterglows from GRB 980703被引量:2
《Science China(Physics,Mechanics & Astronomy)》2010年第S1期259-261,共3页WANG Xin,HUANG YongFeng & KONG SiWei Department of Astronomy,Nanjing University,Nanjing 210093,China 
supported by the National Basic Research Program of China (Grant No. 2009CB824800);the National Natural Science Foundation of China (Grant No. 10625313);the 2008 National Undergraduate Innovation Program of China (Grant No. 081028441)
We present a numerical investigation of emission from the receding jet of gamma-ray bursts.It is found that the peak time of the receding jet emission is significantly affected by synchrotron self-absorption in radio ...
关键词:gamma rays:bursts ISM:jets and OUTFLOWS methods:numerical 
Modeling the radio and optical/NIR afterglows of GRB 980703:A numerical study
《Science China(Physics,Mechanics & Astronomy)》2009年第12期2047-2053,共7页CHENG KwongSang 
Supported by the National Natural Science Foundation of China (Grant Nos. 10625313 and 10973039);the National Basic Research Program of China (Grant No. 2009CB824800);a GRF Grant of Hong Kong Government (Grant No. HKU701109P)
Extensive multi-band afterglow data are available for GRB 980703. Especially,its radio afterglow was very bright and was monitored until more than 1000 days after the trigger time. Additionally,there is no obvious spe...
关键词:gamma RAY BURSTS jets and OUTFLOWS AFTERGLOWS HYDRODYNAMICS shock waves 
Early afterglows from radially structured outflows and the application to X-ray shallow decays
《Research in Astronomy and Astrophysics》2009年第8期911-920,共10页Xue-Wen Liu Xue-Feng Wu Yuan-Chuan Zou Tan Lu 
supported by the National Natural Science Foundation of China(grant Nos. 10473023, 10503012, 10621303, 10633040 and 10703002);the National Basic Research Program of China (973 Program 2009CB824800);XFW also thanks the support of the NSF AST0307376, NASA NNX07AJ62G, NNX08AL40G, the China Postdoctoral Science Foundation, and the Postdoctoral Research Award of Jiangsu Province
In the fireball model, it is more physically realistic that ganuna-ray burst (GRB) ejecta have a range of bulk Lorentz factors (assuming M ∝ Г^-8). The low Lorentz factor part of the ejecta will catch up with th...
关键词:GAMMA-RAYS bursts -- hydrodynamics -- radiation mechanisms nonther- mal -- shock waves 
Hyperaccretion after the Blandford-Znajek Process:A New Model for GRBs with X-Ray Flares Observed in Early Afterglows被引量:1
《Chinese Journal of Astronomy and Astrophysics》2008年第4期404-410,共7页Wei-Hua Lei Ding-Xiong Wang Yuan-Chuan Zou Lei Zhang 
the National Natural Science Foundation of China under Grant 10703002
We propose a three-stage model with Blandford-Znajek (BZ) and hyperaccretion process to interpret the recent observations of early afterglows of Gamma-Ray Bursts (GRBs). In the first stage, the prompt GRB is power...
关键词:accretion  accretion disks - black hole physics - magnetic fields - gammarays BURSTS 
Shallow Decay of X-ray Afterglows in Short GRBs:Energy Injection from a Millisecond Magnetar?
《Chinese Journal of Astronomy and Astrophysics》2007年第5期669-674,共6页Yu Yu Yong-Feng Huang 
Supported by the National Natural Science Foundation of China.
With the successful launch of Swift satellite, more and more data of early X-ray afterglows from short gamma-ray bursts have been collected. Some interesting features such as unusual afterglow light curves and unexpec...
关键词:gamma rays bursts -- X-rays individual (GRB 060313) -- ISM -- stars neutron 
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