国家自然科学基金(10625313)

作品数:7被引量:8H指数:2
导出分析报告
相关作者:黄永锋郑广生刘岱钟孔大力何秋会更多>>
相关机构:南京大学香港大学中国科学院国家天文台更多>>
相关期刊:《Research in Astronomy and Astrophysics》《自然科学进展》《Science China(Physics,Mechanics & Astronomy)》更多>>
相关主题:GRBBURSTSOUTFLOWSGAMMA-RAY喷流更多>>
相关领域:天文地球化学工程更多>>
-

检索结果分析

结果分析中...
条 记 录,以下是1-7
视图:
排序:
The effects of parametrization of the dark energy equation of state
《Research in Astronomy and Astrophysics》2011年第12期1403-1412,共10页Ke Shi Yong-Feng Huang1,2 Tan Lu 
supported by the National Natural Science Foundation of China (Grant Nos. 10625313,10973039 and 11033002);the National Basic Research Program of China (973 program; GrantNo. 2009CB824800)
We investigate in detail the influence of parametrizations of the dark energy equation of state on reconstructing dark energy geometrical parameters, such as the deceleration parameter q(z) and Om diagnostic. We use...
关键词:cosmology: observations -- cosmology: cosmological parameters 
赤道式天文望远镜极轴调整分析及观测结果被引量:3
《天文研究与技术》2010年第3期238-246,共9页何秋会 孔大力 刘岱钟 
国家自然科学基金(10625313);科技部973项目(2009CB824800)资助
天文望远镜的指向精度和跟踪精度是评判一架天文望远镜的重要指标。赤道式天文望远镜的指向精度和跟踪精度受到极轴位置准确性的影响。正确地安装好极轴位置显得非常重要。极轴校正是一项很重要的工作。介绍了用观测恒星的方法来校正极...
关键词:天文望远镜 极轴校正 仪器误差 
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 
A model for the optical flares from the Galactic transient SWIFT J195509+261406被引量:1
《Science China(Physics,Mechanics & Astronomy)》2010年第S1期91-93,共3页XU Ming & HUANG YongFeng Department of Astronomy,Nanjing University,Nanjing 210093,China 
supported by the National Natural Science Foundation of China (Grant No. 10625313);the National Basic Research Program of China (Grant No. 2009CB824800)
The Galactic hard X-ray transient SWIFT J195509+261406 was first observed as gamma-ray burst GRB 070610.Within 3 days after the burst,more than forty optical flares had been observed.Here,we propose that this peculiar...
关键词:GAMMA-RAY BURSTS white DWARFS CYCLOTRON radiation 
Afterglow from GRB 070610/Swift J195509.6+261406:An explanation using the fireball model被引量:1
《Science China(Physics,Mechanics & Astronomy)》2010年第S1期94-97,共4页KONG SiWei & HUANG YongFeng Department of Astronomy,Nanjing University,Nanjing 210093,China 
supported by the National Natural Science Foundation of China (Grant No. 10625313);the National Basic Research Program of China (Grant No. 2009CB824800)
GRB 070610,which is also named Swift J195509.6+261406,is a peculiar Galactic transient with significant variability on short timescales in both X-ray and optical light curves.One possible explanation is that GRB 07061...
关键词:GAMMA-RAY BURSTS soft GAMMA-RAY REPEATERS OUTFLOWS 
GRB 980703射电、光学和红外余辉的数值模拟研究被引量:1
《中国科学(G辑)》2009年第10期1540-1546,共7页孔思伟 黄永锋 郑广生 陆琰 
国家自然科学基金(批准号:10625313,10973039);国家基础研究发展计划(编号:2009CB824800);香港政府科研基金资助项目
GRB980703有丰富的多波段余辉观测数据.特别是它的射电余辉非常明亮以至于在爆发后1000多天还能被观测到.此外,它的多波段余辉光变曲线中没有特殊的特征,也就是说没有增亮、平台、快速衰减或缓慢衰减等现象.以上这些特点使得GRB980703...
关键词:伽玛射线暴 喷流 外流 
γ-射线暴余辉中的非相对论阶段
《自然科学进展》2007年第10期1321-1330,共10页黄永锋 陆埮 郑广生 
国家自然科学基金(批准号:10625313;10221001;10473023);全国优秀博士学位论文作者专项资金(批准号:200125);香港政府科研基金资助
余辉的发现证实了绝大多数γ-射线暴的宇宙学起源.人们已经认识到γ-射线暴是宇宙中最猛烈的爆发现象之一,其中有着令人吃惊的极端相对论性宏观运动.文中概述了γ-射线暴及其多波段余辉的观测特征,简要介绍了γ-射线暴的标准理论模型—...
关键词:γ-射线暴 余辉 喷流 激波 相对论 
检索报告 对象比较 聚类工具 使用帮助 返回顶部