云南高校图书馆联盟文献共享服务平台- ASTROMETRY

ASTROMETRY: 作品数：98被引量：100H指数：4; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：李保权刘茂元陈鼎更多>>; 相关机构：中国科学院大学西藏大学中国科学院中国科学院国家天文台更多>>; 相关期刊：《Chinese Physics C》《Astronomical Techniques and Instruments》《Journal of Earth Science and Engineering》《Communications in Theoretical Physics》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上海市自然科学基金广东省自然科学基金更多>>

Observational signatures of traversable wormholes: 《Chinese Physics C》2025年第4期295-306,共12页Yiqian Chen Lang Cheng Peng Wang Haitang Yang; Supported in part by the the National Natural Science Foundation of China(12105191,12275183,12275184,11875196)。; This study investigates the observational signatures of traversable Simpson-Visser wormholes illuminated by luminous celestial spheres and orbiting hot spots.We demonstrate that when light sources and observers are on...; 关键词：gravitational lensing WORMHOLE ASTROMETRY

A Geometric Distortion Solution Specifically for Historical Observations and its Implementation: 《Research in Astronomy and Astrophysics》2024年第11期85-94,共10页F.R.Lin Q.Y.Peng Z.J.Zheng B.F.Guo; supported by the National Key R&D Program of China(grant No.2022YFE0116800);the National Natural Science Foundation of China(NSFC,grant No.12203019);the Natural Science Foundation of Jiangxi Province(grant No.20242BAB20033);the NSFC(grant Nos.11873026 and11273014);the China Manned Space Project(grant No.CMS-CSST-2021-B08);the Joint Research Fund in Astronomy(grant No.U1431227)。; Geometric distortion(GD)critically constrains the precision of astrometry.Using well-established methods to correct GD requires calibration observations,which can only be obtained using a special dithering strategy du...; 关键词：astrometry-methods data analysis-techniques image processing

A Novel Ephemeris Model for Martian Moons Incorporating Their Free Rotation: 《Research in Astronomy and Astrophysics》2024年第11期181-191,共11页Yong-Zhang Yang Kai Huang Jian-Guo Yan Yu-Qiang Li; supported by the National Key Research and Development Program of China(2021YFA0715101);the National Natural Science Foundation of China(NSFC,grant Nos.12033009 and 12103087);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA0350300);the International Partnership Program of Chinese Academy of Sciences(020GJHZ2022034FN);the Yunnan Fundamental Research Projects(202201AU070225,202301AT070328,202401AT070141);the Young Talent Project of Yunnan Revitalization Talent Support Program。; High-precision ephemerides not only support space missions,but can also be used to study the origin and future of celestial bodies.In this paper,a coupled orbit-rotation dynamics model that fully takes into account th...; 关键词：planets and satellites dynamical evolution and stability methods NUMERICAL celestial mechanics ASTROMETRY

A Preliminary Comparative Study on the Centering Algorithms for CassiniISS NAC Images: 《Research in Astronomy and Astrophysics》2024年第10期58-65,共8页T.Liang Q.-F.Zhang G.-M.Liu W.-H.Zhu C.-S.Wang; supported by the National Natural Science Foundation of China(No.12373073,U2031104,No.12173015);Guangdong Basic and Applied Basic Research Foundation(No.2023A1515011340)。; Obtaining high precision is an important consideration for astrometric studies using images from the Narrow Angle Camera(NAC)of the Cassini Imaging Science Subsystem(ISS).Selecting the best centering algorithm is key ...; 关键词：methods:analytical techniques:image processing stars:imaging ASTROMETRY

Fast Two-dimensional Positioning Method of Crab Pulsar Based on Multiple Optimization Algorithms: 《Research in Astronomy and Astrophysics》2024年第10期92-103,共12页Jianfeng Chen Jin Liu Xin Ma Xiaolin Ning; supported by the National Natural Science Foundation of China (Nos. 61873196 and 62373030);the Innovation Program for Quantum Science and Technology(No. 2021ZD0303400)。; In the two-dimensional positioning method of pulsars, the grid method is used to provide non-sensitive direction and positional estimates. However, the grid method has a high computational load and low accuracy due to...; 关键词：(stars:)pulsars:individual(Crab pulsar) space vehicles methods:data analysis ASTROMETRY

Leveraging the Empirical Wavelet Transform in Combination with Convolutional LSTM Neural Networks to Enhance the Accuracy of Polar Motion Prediction: 《Research in Astronomy and Astrophysics》2024年第9期214-224,共11页Xu-Qiao Wang Lan Du Zhong-Kai Zhang Ze-Jun Liu Hao Xiang; supported by the National Natural Science Foundation of China(NSFC)under grant No.42304044;the Natural Science Foundation of Henan,China under grant No.222300420385。; High-precision polar motion prediction is of great significance for deep space exploration and satellite navigation.Polar motion is affected by a variety of excitation factors,and nonlinear prediction methods are more...; 关键词：data analysis methods:miscellaneous ASTROMETRY reference systems EARTH

The Velocity Aberration Effect of the CSST Main Survey Camera: 《Research in Astronomy and Astrophysics》2024年第9期119-127,共9页Hui-Mei Feng Zi-Huang Cao Man ILam Ran Li Hao Tian Xin Zhang Peng Wei Xin-Feng Li Wei Wang Hugh RAJones Mao-Yuan Liu Chao Liu; generously supported by the National Natural Science Foundation of China(NSFC,Grant Nos.12073047 and 12273077);the National Key Research and Development(Grant No.2022YFF0711500)。; In this study,we conducted simulations to find the geometric aberrations expected for images taken by the Main Survey Camera of the Chinese Space Station Telescope(CSST)due to its motion.As anticipated by previous wor...; 关键词：ASTROMETRY telescopes Astronomical Instrumentation Methods and Techniques

The Astrometric Performance of the China Space Station Telescope(CSST)Sky Survey in Extending the Gaia Celestial Reference Frame: 《Research in Astronomy and Astrophysics》2024年第8期133-140,共8页Jun Yao Jia-Cheng Liu Niu Liu Zi Zhu Zhen-Wei Wang; funded by the science research grants from the China Manned Space Project with NO.CMS-CSST-2021-A11and NO.CMS-CSST-2021-B10;the National Natural Science Foundation of China(NSFC)under grant No.12373074。; The multi-color imaging sky survey conducted by the China Space Station Telescope(CSST)holds significant promise for advancing the development of the celestial reference frame.In this study,we focus on assessing the a...; 关键词：astrometry-reference systems-surveys

VLBI with SKA:Possible Arrays and Astrometric Science: 《Research in Astronomy and Astrophysics》2024年第7期1-33,共33页Yingjie Li Ye Xu Jingjing Li Shuaibo Bian Zehao Lin Chaojie Hao Dejian Liu; funded by the National Natural Science Foundation of China(NSFC,Grant Nos.12203104 and 11933011);the Natural Science Foundation of Jiangsu Province(grants No.BK20210999);the National SKA Program of China(grant No.2022SKA0120103);the Entrepreneurship and Innovation Program of Jiangsu Province;the Key Laboratory for Radio Astronomy,CAS。; The next generation of very long baseline interferometry(VLBI)is stepping into the era of microarcsecond(μas)astronomy,and pushing astronomy,especially astrometry,to new heights.VLBI with the Square Kilometre Array(S...; 关键词：astrometry-parallaxes-stars kinematics and dynamics-ISM kinematics and dynamics-Galaxy kinematics and dynamics-galaxies kinematics and dynamics-gravitation

Astrometric Observations of NEA 1998 HH49 Using the Daocheng 50 cm Telescope: 《Research in Astronomy and Astrophysics》2024年第7期71-78,共8页Huan Xu Xiang-Ming Cheng Yi-Gong Zhang Teng-Fei Song Zhen-Jun Zhang Qing-Yu Peng; funded by the National Key R&D Program of China(grant No.2022YFE0116800);the National Natural Science Foundation of China(NSFC,grant No.12173085);the West Light Foundation of The Chinese Academy of Sciences Key scientific research projects of colleges and universities in Henan Province(grant No.23B16001)。; This study details an astrometric observation campaign of the Near-Earth Asteroid 1998 HH49,conducted with the aim of refining our understanding of its physical characteristics.Utilizing the 50 cm telescope located at...; 关键词：ASTROMETRY EPHEMERIDES TIME

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

ASTROMETRY

检索结果分析

下载全文

高级检索检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

ASTROMETRY

检索结果分析

下载全文

用户登录

高级检索检索式检索