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Constraints on (2060) Chiron’s size, shape, and surrounding material from the November 2018 and September 2019 stellar occultations

After the discovery of rings around the largest known Centaur object, (10199) Chariklo, we carried out observation campaigns of stellar occultations produced by the second-largest known Centaur object, (2060) Chiron, to better characterize its physical properties and presence of material on its surr...

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Main Authors: Braga-Ribas, Felipe (Author) , Pereira, C. L. (Author) , Sicardy, B. (Author) , Ortiz, J. L. (Author) , Desmars, J. (Author) , Sickafoose, A. (Author) , Emilio, M. (Author) , Morgado, B. (Author) , Margoti, G. (Author) , Rommel, F. L. (Author) , Camargo, J. I. B. (Author) , Assafin, M. (Author) , Vieira-Martins, R. (Author) , Gomes-Júnior, A. R. (Author) , Santos-Sanz, P. (Author) , Morales, N. (Author) , Kretlow, M. (Author) , Lecacheux, J. (Author) , Colas, F. (Author) , Boninsegna, R. (Author) , Schreurs, O. (Author) , Dauvergne, J. L. (Author) , Fernandez, E. (Author) , Heerden, H. J. van (Author) , González, H. (Author) , Bihel, D. (Author) , Jankowsky, Felix (Author)
Format: Article (Journal)
Language:English
Published: 09 August 2023
In: Astronomy and astrophysics
Year: 2023, Volume: 676, Pages: 1-10
ISSN:1432-0746
DOI:10.1051/0004-6361/202346749
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1051/0004-6361/202346749
Verlag, kostenfrei, Volltext: https://www.aanda.org/articles/aa/abs/2023/08/aa46749-23/aa46749-23.html
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Author Notes:F. Braga-Ribas, C.L. Pereira, B. Sicardy, J.L. Ortiz, J. Desmars, A. Sickafoose, M. Emilio, B. Morgado, G. Margoti, F.L. Rommel, J.I.B. Camargo, M. Assafin, R. Vieira-Martins, A.R. Gomes-Júnior, P. Santos-Sanz, N. Morales, M. Kretlow, J. Lecacheux, F. Colas, R. Boninsegna, O. Schreurs, J.L. Dauvergne, E. Fernandez, H.J. van Heerden, H. González, D. Bihel, and F. Jankowsky
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Summary:After the discovery of rings around the largest known Centaur object, (10199) Chariklo, we carried out observation campaigns of stellar occultations produced by the second-largest known Centaur object, (2060) Chiron, to better characterize its physical properties and presence of material on its surroundings. We aim to provide constraints on (2060) Chiron’s shape for the first time using stellar occultations. We investigate the detectability of material previously observed in its vicinity using the 2018 occultation data obtained from South Africa Astronomical Observatory (SAAO).
Item Description:Gesehen am 21.11.2023
Physical Description:Online Resource
ISSN:1432-0746
DOI:10.1051/0004-6361/202346749

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