JD
Josselin Desmars
astro-ph.EPastro-ph.IMastro-ph.SRphysics.data-anstellar occultationsCentaurscometary comacometsdifferential photometryorbits
On Valency
published · living versionsW_wqphra3r·v1 · currentpublished
A Single-chord Stellar Occultation by the Extreme Trans-Neptunian Object (541132) Leleākūhonua
with Marc W. Buie, Rodrigo Leiva, John M. Keller, Bruno Sicardy +30
1 version
Preprints & journals
75 papers in the corpus · 2012–2026JWST 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
Detection and characterisation of binary asteroid candidates through stellar occultations2606.13353v2 · R. Lallemand, J. Desmars, B. Sicardy et al.2026 · 0 citationsarXiv
Follow the wobble: Statistical methods to detect astrometric binary asteroids in Gaia FPR2605.22702v2 · Luana Liberato, Paolo Tanga, David Mary et al.2026 · 1 citationarXiv
A practical re-weighting scheme of data fitting: application to asteroids orbit determination with Gaia2604.08820v1 · Dmitri. E. Vavilov, Ziyu. Liu, Daniel. Hestroffer et al.2026 · 1 citationarXiv
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
Accurate geometric albedo, shape, and size of Hi'iaka from a stellar occultation.41326341 · Fernández-Valenzuela, Estela, Ortiz, Jose Luis, Holler, Bryan J et al.2025 · 5 citationsNature communications. 2025;16(1):10926
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
A high geometric albedo and small size of the Haumea cluster member (24835) 1995 SM55 from a stellar occultation and photometric observations2509.15384v1 · J. L. Ortiz, N. Morales, B. Sicardy et al.2025 · 0 citationsA&A 703, A147 (2025)
Catastrophic disruption of asteroid 2023 CX1 and implications for planetary defense2509.12362v1 · Auriane Egal, Denis Vida, Francois Colas et al.2025 · 15 citationsarXiv
The Ongoing Decline in Activity of Comet 103P/Hartley 22508.20215v1 · Ariel Graykowski, Guillaume Langin, David Chiron 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
The trans-Neptunian object (119951) 2002 KX14 revealed via multiple stellar occultations2503.19179v3 · J. L. Rizos, J. L. Ortiz, F. L. Rommel et al.2025 · 5 citationsA&A 697, A62 (2025)
Asteroid (4337) Arecibo: Two ice-rich bodies forming a binary -- Based on Gaia astrometric data2503.13375v1 · Ziyu Liu, Daniel Hestroffer, Josselin Desmars et al.2025 · 2 citationsA&A, 688 (2024) L23
Investigating the formation of small Solar System objects using stellar occultations by satellites: present, future and its use to update satellite orbits.40013567 · Braga-Ribas, F, Vachier, F, Desmars, J et al.2025 · 10 citationsPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2025;383(2291):20240200
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
Physical characteristics of Jupiter's Trojan (1437) Diomedes from a tri-chord stellar occultation in 2020 and dimensionless three-dimensional model.40013570 · Dutra, H, Assafin, M, Sicardy, B et al.2025 · 1 citationPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2025;383(2291):20240187
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
Physical Characteristics of Jupiter's Trojan (1437) Diomedes from a Tri-chord Stellar Occultation in 2020 and Dimensionless 3D Model2412.01568v1 · H. Dutra, M. Assafin, B. Sicardy et al.2024 · 0 citationsarXiv
Physical properties of trans-Neptunian object (143707) 2003 UY117 derived from stellar occultation and photometric observations2410.00561v1 · M. Kretlow, J. L. Ortiz, J. Desmars et al.2024 · 4 citationsarXiv
Binary asteroid candidates in Gaia DR3 astrometry2406.07195v2 · Luana Liberato, Paolo Tanga, David Mary et al.2024 · 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)
Constraints on Triton atmospheric evolution from occultations: 1989-20222402.02476v1 · B. Sicardy, A. Tej, A. R. Gomes-Junior et al.2024 · 0 citationsarXiv
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)
Enabling discovery of solar system objects in large alert data streams2305.01123v2 · R. Le Montagner, J. Peloton, B. Carry et al.2023 · 9 citationsarXiv
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)
Occultation Portal: a web-based platform for data collection and analysis of stellar occultations2206.09615v1 · Y. Kilic, F. Braga-Ribas, M. Kaplan et al.2022 · 24 citationsarXiv
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)
Pluto's atmosphere in plateau phase since 2015 from a stellar occultation at Devasthal2112.07764v1 · Bruno Sicardy, Nagarhalli M. Ashok, Anandmayee Tej et al.2021 · 14 citationsarXiv
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)
Evidence for differentiation of the most primitive small bodies2103.06349v1 · B. Carry, P. Vernazza, F. Vachier et al.2021 · 32 citationsA&A 650, A129 (2021)
The 2017 May 20 stellar occultation by the elongated centaur (95626) 2002 GZ2012.06621v1 · P. Santos-Sanz, J. L. Ortiz, B. Sicardy et al.2020 · 9 citationsarXiv
A Single-chord Stellar Occultation by the Extreme Trans-Neptunian Object (541132) Leleākūhonua2011.03889v1 · Marc W. Buie, Rodrigo Leiva, John M. Keller et al.2020 · 10 citationsAJ 159 230 (2020)on Valency
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)
Potential asteroid discoveries by the ESA Gaia mission: Results from follow-up observations2010.02553v1 · B. Carry, W. Thuillot, F. Spoto et al.2020 · 9 citationsA&A 648, A96 (2021)
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)
The large Trans-Neptunian Object 2002 TC from combined stellar occultation, photometry and astrometry data2005.08881v1 · J. L. Ortiz, P. Santos-Sanz, B. Sicardy et al.2020 · 25 citationsA&A 639, A134 (2020)
Size and Shape Constraints of (486958) Arrokoth from Stellar Occultations2001.00125v1 · Marc W. Buie, Simon B. Porter, Peter Tamblyn et al.2020 · 52 citationsThe Astronomical Journal, Vol. 159, Issue 4, 130 (27pp); 2020 April
The first observed stellar occultations by the irregular satellite (Saturn IX) Phoebe and improved rotational period1910.12188v1 · A. R. Gomes-J'unior, M. Assafin, F. Braga-Ribas et al.2019 · 9 citationsarXiv
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