CP
Chrystian L. Pereira
astro-ph.EPastro-ph.IMastro-ph.SRastro-ph.GACentaurscometary comacometsstellar occultations
On Valency
published · living versionsW_wnn2xqq7·v1 · currentpublished
Ellipsoidal Modeling Framework for TNOs: the triaxial shape of (50000) Quaoar and its implications for Weywot and the dynamical environment
with Giuliano Margoti, Felipe Braga Ribas, Eros Gradovski, Gustavo Madeira +2
1 version
Preprints & journals
28 papers in the corpus · 2020–2026Ellipsoidal Modeling Framework for TNOs: the triaxial shape of (50000) Quaoar and its implications for Weywot and the dynamical environment2610.30494v1 · Giuliano Margoti, Felipe Braga Ribas, Eros Gradovski et al.2026 · 0 citationsarXivon Valency
JWST stellar occultation reveals unexpected changes in Chariklo's ring system.42715318 · Santos-Sanz, Pablo, Gomes-Júnior, Altair R, Morgado, Bruno E et al.2026 · 0 citationsScience advances. 2026;12(37):eaeh4794
Size, shape, density, and atmospheric limit of (50000) Quaoar revealed from 14 years of stellar occultation2607.06450v1 · Giuliano Margoti, Felipe Braga-Ribas, Jos'e Luis Ortiz et al.2026 · 0 citationsarXiv
Constraining the size, shape, and albedo of the large Trans-Neptunian Object (28978) Ixion with multi-chord stellar occultations2601.09639v1 · Y. Kilic, F. Braga-Ribas, C. L. Pereira et al.2026 · 2 citationsarXiv
Dynamical environment and stability around Centaur (2060) Chiron2510.20693v1 · Gustavo Madeira, Bruno Morgado, Chrystian Pereira et al.2025 · 3 citationsarXiv
The rings of (2060) Chiron: Evidence of an evolving system2510.12388v1 · C. L. Pereira, F. Braga-Ribas, B. Sicardy et al.2025 · 15 citationsApJL 992 L19 (2025)
JWST occultation reveals unforeseen complexity in Chariklo's ring system2510.06366v2 · Pablo Santos-Sanz, Altair R. Gomes-J'unior, Bruno E. Morgado et al.2025 · 1 citationarXiv
Size and Shape of Jupiter Trojan (2207) Antenor from Stellar Occultations2507.19638v1 · Feliphe S. Ferreira, Julio I. B. Camargo, Bruno E. Morgado et al.2025 · 0 citationsarXiv
NSF-DOE Vera C. Rubin Observatory Observations of Interstellar Comet 3I/ATLAS (C/2025 N1)2507.13409v3 · Colin Orion Chandler, Pedro H. Bernardinelli, Mario Juri'c et al.2025 · 9 citationsarXiv
Centaur 29P/Schwassmann-Wachmann 1 and its near-nucleus environment from a stellar occultation.40013568 · Pereira, C L, Braga-Ribas, F, Sicardy, B et al.2025 · 2 citationsPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2025;383(2291):20240189
Stellar occultation observations of (38628) Huya and its satellite: a detailed look into the system2501.09739v1 · F. L. Rommel, E. Fern'andez-Valenzuela, B. C. N. Proudfoot et al.2025 · 11 citationsarXiv
A study of centaur (54598) Bienor from multiple stellar occultations and rotational light curves2405.17235v1 · J. L. Rizos, E. Fern'andez-Valenzuela, J. L. Ortiz et al.2024 · 4 citationsA&A 689, A82 (2024)
Author Correction: A dense ring of the trans-Neptunian object Quaoar outside its Roche limit.38228877 · Morgado, B E, Sicardy, B, Braga-Ribas, F et al.2024 · 0 citationsNature. 2024;626(7997):E2
Physical properties of Centaur (60558) 174P/Echeclus from stellar occultations2310.18084v2 · C. L. Pereira, F. Braga-Ribas, B. Sicardy et al.2023 · 9 citationsarXiv
Constraints on (2060) Chiron's size, shape, and surrounding material from the November 2018 and September 2019 stellar occultations2308.10042v1 · Felipe Braga-Ribas, C. L. Pereira, B. Sicardy et al.2023 · 21 citationsA&A 676, A72 (2023)
A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS measured from stellar occultations2308.08062v2 · F. L. Rommel, F. Braga-Ribas, J. L. Ortiz et al.2023 · 24 citationsA&A 678, A167 (2023)
The changing material around (2060) Chiron from an occultation on 2022 December 152308.03458v1 · J. L. Ortiz, C. L. Pereira, B. Sicardy et al.2023 · 36 citationsA&A 676, L12 (2023)
The two rings of (50000) Quaoar2304.09237v2 · C. L. Pereira, B. Sicardy, B. E. Morgado et al.2023 · 58 citationsA&A 673, L4 (2023)
A dense ring of the trans-Neptunian object Quaoar outside its Roche limit.36755175 · Morgado, B E, Sicardy, B, Braga-Ribas, F et al.2023 · 95 citationsNature. 2023;614(7947):239-243
The multichord stellar occultation by the centaur Bienor on January 11, 20192211.06931v1 · E. Fern'andez-Valenzuela, N. Morales, M. Vara-Lubiano et al.2022 · 5 citationsA&A 669, A112 (2023)
A stellar occultation by the transneptunian object (50000) Quaoar observed by CHEOPS2208.06204v1 · B. E. Morgado, G. Bruno, A. R. Gomes-J'unior et al.2022 · 13 citationsA&A 664, L15 (2022)
The multichord stellar occultation on 2019 October 22 by the trans-Neptunian object (84922) 2003 VS2205.12878v1 · M. Vara-Lubiano, G. Benedetti-Rossi, P. Santos-Sanz et al.2022 · 13 citationsA&A 663, A121 (2022)
Physical properties of the trans-Neptunian object (38628) Huya from a multi-chord stellar occultation2205.12882v3 · P. Santos-Sanz, J.L. Ortiz, B. Sicardy et al.2022 · 18 citationsA&A 664, A130 (2022)
Milliarcsecond astrometry for the Galilean moons using stellar occultations2203.11711v1 · B. E. Morgado, A. R. Gomes-J'unior, F. Braga-Ribas et al.2022 · 10 citationsThe Astronomical Journal, Volume 163, Number 5, 2022
Constraints on the structure and seasonal variations of Triton's atmosphere from the 5 October 2017 stellar occultation and previous observations2201.10450v1 · J. Marques Oliveira, B. Sicardy, A. R. Gomes-J'unior et al.2022 · 21 citationsA&A 659, A136 (2022)
Refined physical parameters for Chariklo's body and rings from stellar occultations observed between 2013 and 20202107.07904v1 · B. E. Morgado, B. Sicardy, F. Braga-Ribas et al.2021 · 47 citationsA&A 652, A141 (2021)
Stellar occultations enable milliarcsecond astrometry for Trans-Neptunian objects and Centaurs2010.12708v1 · F. L. Rommel, F. Braga-Ribas, J. Desmars et al.2020 · 30 citationsA&A 644, A40 (2020)
A multi-chord stellar occultation by the large trans-Neptunian object (174567) Varda2008.04818v2 · D. Souami, F. Braga-Ribas, B. Sicardy et al.2020 · 28 citationsA&A 643, A125 (2020)
Career total: at least 62 works. 28 are in this corpus.
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