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Asteroid lightcurve inversion with Lommel-Seeliger ellipsoids
Muinonen, Karri1,2; Wilkman, Olli1; Cellino, Alberto3; Wang XB(王晓彬)4; Wang YB(王夷博)4
Source PublicationPLANETARY AND SPACE SCIENCE
2015-12-01
Volume118Pages:227-241
DOI10.1016/j.pss.2015.09.005
Contribution Rank第4完成单位
Indexed BySCI
KeywordAsteroids Near-earth Objects Lightcurve Inversion Lommel-seeliger Ellipsoid Lommel-seeliger Reflection Coefficient Particulate-medium Reflection Coefficient Marlcov Chain Monte Carlo Gaia Mission
Abstract

We derive initial rotation, shape, and scattering properties for asteroids from sparse and dense photometry based on the so-called Lommel-Seeliger ellipsoid (LS ellipsoid). Due to the analytical disk integrated brightness, the LS ellipsoid allows for fast rotation-period, pole-orientation, and shape analyses, as well as efficient Markov-chain Monte Carlo solutions (MCMC). We apply the methods to simulated sparse Gaia photometry, as well as to ground-based photometry composed of dense light curves. For a specific Gaia simulation, we make use of a numerical reflection coefficient developed for particulate surfaces, and utilize the LS ellipsoid in the inversion of the simulated data. We conclude that, in a majority of cases, initial LS ellipsoid retrieval of the parameters is satisfactory. Finally, we formulate a single-scattering phase function that, for a spherical asteroid, results in the H G(1), G(2) photometric phase function. (C) 2015 Elsevier Ltd. All rights reserved.

Funding ProjectAcademy of Finland[1257966]
Funding OrganizationAcademy of Finland[1257966]
Language英语
Subject Area天文学 ; 太阳与太阳系
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Publication PlaceTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
ISSN0032-0633
URL查看原文
WOS IDWOS:000370460100028
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordGAIA PHOTOMETRY ; SHAPES ; MODELS ; GASPRA ; SURFACES
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9341
Collection系外行星研究组
Corresponding AuthorMuinonen, Karri
Affiliation1.Department of Physics, Gustaf Hällströmin katu 2a, P.O. Box 64, FI-00014 University of Helsinki, Helsinki, Finland
2.Finnish Geospatial Research Institute FGI, Geodeetinrinne 2, FI-02430 Masala, Finland
3.INAF, Osservatorio Astrofisico di Torino, Strada Osservatorio 20, I-10025 Pino Torinese (TO), Italy
4.Yunnan Observatories, CAS, P.O. Box 110, Kunming 650011, China
Recommended Citation
GB/T 7714
Muinonen, Karri,Wilkman, Olli,Cellino, Alberto,et al. Asteroid lightcurve inversion with Lommel-Seeliger ellipsoids[J]. PLANETARY AND SPACE SCIENCE,2015,118:227-241.
APA Muinonen, Karri,Wilkman, Olli,Cellino, Alberto,Wang XB,&Wang YB.(2015).Asteroid lightcurve inversion with Lommel-Seeliger ellipsoids.PLANETARY AND SPACE SCIENCE,118,227-241.
MLA Muinonen, Karri,et al."Asteroid lightcurve inversion with Lommel-Seeliger ellipsoids".PLANETARY AND SPACE SCIENCE 118(2015):227-241.
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