EPHEMERIS

作品数：36被引量：64H指数：4
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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 
Computation of the atmosphere-less light intensity curve during a total solar eclipse by using Lunar Reconnaissance Orbiter topography data and the DE430 astronomical ephemeris
《Research in Astronomy and Astrophysics》2021年第1期105-118,共14页Yun-Bo Wang Jian-Guo Yan Mao Ye Yong-Zhang Yang Fei Li Jean-Pierre Barriot 
the National Natural Science Foundation of China(U1831132 and 41804025);grant of Hubei Province Natural Science(2018CFA087);supported by the grant from Key Laboratory of Lunar and Deep Space Exploration,CAS;LIESMARS Special Research Funding;funded through a DAR grant in planetology from the French Space Agency(CNES)。
Observations of the sky irradiation intensity in the visible wavelengths during a solar eclipse permit to model the Sun diameter,a key number to constrain the internal structure of our star.In this paper,we present an...
关键词：ECLIPSE MOON Sun:fundamental parameters 
Determination of the free lunar libration modes from ephemeris DE430被引量：3
《Research in Astronomy and Astrophysics》2017年第12期89-94,共6页Yong-Zhang Yang Jin-Ling Li Jin-Song Ping Hideo Hanada 
supported by the National Natural Science Foundation of China(Grant No.41590851);the Major State Basic Research Development Program of China(2015CB857101)
The Moon’s physical librations have been extensively studied, and elaborate researches have been developed for the purpose of deriving accurate modes of free librations. Our motivation comes from the Planetary and Lu...
关键词：MOON physical librations Fourier analysis least squares method 
Updating the orbital ephemeris of the dipping source XB 1254–690 and the distance to the source
《Research in Astronomy and Astrophysics》2017年第10期97-108,共12页Angelo F.Gambino Rosario Iaria Tiziana Di Salvo Marco Matranga Luciano Burderi Fabio Pintore Alessandro Riggio Andrea Sanna 
the Regione Autonoma della Sardegna through POR-FSE Sardegna 2007–2013, L.R. 7/2007;Progetti di Ricerca di Base e Orientata, Project N. CRP-60529;financial contribution from the agreement ASI-INAF I/037/12/0;the Sardinia Regional Government for financial support (P.O.R. Sardegna F.S.E. Operational Programme of the Autonomous Region of Sardinia, European Social Fund 2007–2013 - Axis IV Human Resources, Objective l.3, Line of Activity l.3.1.)
XB 1254-690 is a dipping low mass X-ray binary system hosting a neutron star and showing type I X-ray bursts. We aim at obtaining a more accurate orbital ephemeris and at constraining the orbital period derivative of ...
关键词：stars： neutron -- stars： individual （XB 1254-690） -- X-rays： binaries -- X-rays： stars --Astrometry and celestial mechanics： ephemerides 
Detecting the errors in solar system ephemeris by pulsar timing
《Research in Astronomy and Astrophysics》2016年第4期47-54,共8页Liang Li Li Guo Guang-Li Wang 
supported by the National Natural Science Foundation of China(U1431117);the Opening Project of Shanghai Key Laboratory of Space Navigation and Position Techniques(3912DZ227330001)
Pulsar timing uses planetary ephemerides to convert the measured pulse arrival time at an obser- vatory to the arrival time at the Solar System barycenter （SSB）. Since these planetary ephemerides cannot be perfect, ...
关键词：astrometry -- ephemerides -- pulsars： general 
A long time span relativistic precession model of the Earth
《Research in Astronomy and Astrophysics》2015年第4期583-596,共14页Kai Tang Michael H.Soffel Jin-He Tao Wen-Biao Han Zheng-Hong Tang 
Supported by the National Natural Science Foundation of China
A numerical solution to the Earth＇s precession in a relativistic framework for a long time span is presented here. We obtain the motion of the solar system in the Barycentric Celestial Reference System by numerical i...
关键词：astrometry -- ephemeris -- post-Newtonian 
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