YNAO OpenIR  > 系外行星研究组
小行星(58)Concordia测光研究
Alternative TitlePhotometric Study on Asteroid (58) Concordia
蒋攀飞1,2,3; 王晓彬1,2
Source Publication天文学报(Acta Astronomica Sinica)
2018-09
Volume59Issue:05Pages:61-69
DOI10.15940/j.cnki.0001-5245.2018.05.005
ClassificationP185.7
Contribution Rank第1完成单位
Indexed ByCSCD ; 核心
Keyword小行星:个别:(58) Concordia 技术:测光 方法:光变曲线反演 物理参量:周期 轴指向 形状
Abstract

小行星基本物理参量(周期、形状、自转)对于理解小行星起源、演化和碰撞具有重要意义.利用测光手段可以获得小行星的光变曲线,通过光变曲线可以确定小行星基本参数.利用云南天文台1 m望远镜在2000和2015年对小行星(58)Concordia进行观测,结合前人测光观测数据,通过凸面体光变曲线反演模型获得该小行星的周期、形状和轴指向.(58)Concordia的恒星周期为9.894541 h,在黄道坐标系下,极轴指向为λ1=15.3°±0.7°,β1=-4.2°±2.6°,另外一组解为λ2=195.9°±1.0°,β2=4.8°±1.2°.

Other Abstract

The basic physical parameters(period,shape,and rotation)of asteroids are important for understanding the origin,evolution,and collision of asteroids.The photometric observations can be used to obtain the lightcurves of asteroids.The basic parameters of asteroid can be determined from the lightcurves.The(58)Concordia was observed by 1 m telescope of Yunnan Observatories in 2000 and 2015.Combined with the previous photometric data,we analyzed the period,orientation,and shape of(58)Concordia by the convex lightcurve inversion method.The sidereal period of(58)Concordia was obtained at 9.894541 h,and a pair of pole orientations are found around(15.3°±0.7°,-4.2°±2.6°)and(195.9°±1.0°,4.8°±1.2°)in the ecliptic coordinate system.

Funding Project国家自然科学基金项目[11073051] ; 国家自然科学基金项目[11673063]
Funding Organization国家自然科学基金项目[11073051, 11673063]
Language中文
Subject Area天文学 ; 天体测量学 ; 恒星与银河系
MOST Discipline Catalogue理学::天文学
ISSN0001-5245
CSCD IDCSCD:6354493
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/18299
Collection系外行星研究组
中国科学院天体结构与演化重点实验室
Affiliation1.中国科学院云南天文台,昆明,650011
2.中国科学院天体结构与演化重点实验室,昆明,650011
3.中国科学院大学,北京,100049
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
蒋攀飞,王晓彬. 小行星(58)Concordia测光研究[J]. 天文学报(Acta Astronomica Sinica),2018,59(05):61-69.
APA 蒋攀飞,&王晓彬.(2018).小行星(58)Concordia测光研究.天文学报(Acta Astronomica Sinica),59(05),61-69.
MLA 蒋攀飞,et al."小行星(58)Concordia测光研究".天文学报(Acta Astronomica Sinica) 59.05(2018):61-69.
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