AG
A. R. Gomes-Júnior
astro-ph.EPastro-ph.IMastro-ph.SRastro-ph.GAstellar occultationChariklodifferential photometryringssolar systemtrojan asteroids
On Valency
published · living versionsW_zctehzdc·v1 · currentpublished
SORA: Stellar Occultation Reduction and Analysis
with B. E. Morgado, G. Benedetti-Rossi, R. C. Boufleur, F. L. Rommel +4
1 version
Preprints & journals
58 papers in the corpus · 2015–2026JWST 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
Kilometre-scale Jovian moon characterized for a potential JUICE flyby2607.28357v1 · Juan Luis Rizos, Jose Maria Gomez-Limon, Yucel Kilic et al.2026 · 0 citationsNature Astronomy (2026)
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
Two Low Mass-Ratio Microlensing Planets and Two Types of Central-Resonant Degeneracy2603.09045v1 · Yuchen Tang, Weicheng Zang, Yoon-Hyun Ryu 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
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)
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
Year six photometric measurements of known Trans-Neptunian Objects and Centaurs by the Dark Energy Survey2504.16927v2 · Feliphe S. Ferreira, Julio I. B. Camargo, Rodrigo Boufleur et al.2025 · 2 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)
Characterizing longitude variation on Chariklo's main ring.40013569 · Gomes-Junior, A R, Mitidiero, A L R, Morgado, B E et al.2025 · 1 citationPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2025;383(2291):20240199
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
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
Kilometer-precise (UII) Umbriel physical properties from the multichord stellar occultation on 2020 September 212310.11196v1 · M. Assafin, S. Santos-Filho, B. E. Morgado et al.2023 · 5 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)
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
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
The main perturbing objects on the orbits of (616) Prometheus and (617) Pandora2202.01617v1 · A. R. Gomes-J'unior, T. Santana, O. C. Winter et al.2022 · 2 citationsarXiv
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)
SORA: Stellar Occultation Reduction and Analysis2201.01799v1 · A. R. Gomes-J'unior, B. E. Morgado, G. Benedetti-Rossi et al.2022 · 51 citationsarXivon Valency
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)
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)
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
The 2014-2015 Brazilian Mutual Phenomena campaign for the Jovian satellites and improved results for the 2009 events1909.05238v1 · B. Morgado, R. Vieira-Martins, M. Assafin et al.2019 · 5 citationsPlanetary and Space Science, 179C, 104736, 2019
The trans-Neptunian object (84922) 2003 VS2 through stellar occultations1908.06645v1 · Gustavo Benedetti-Rossi, P. Santos-Sanz, J. L. Ortiz et al.2019 · 16 citationsarXiv
First stellar occultation by the Galilean moon Europa and upcoming events between 2019 and 20211905.12520v1 · B. Morgado, G. Benedetti-Rossi, A. R. Gomes-J'unior et al.2019 · 15 citationsA&A, 626, L4 (2019)
A Cold Stellar Stream in Pegasus1903.08840v1 · H. D. Perottoni, C. Martin, H. J. Newberg et al.2019 · 10 citationsarXiv
Pluto's lower atmosphere and pressure evolution from ground-based stellar occultations, 1988-20161903.02315v1 · E. Meza, B. Sicardy, M. Assafin et al.2019 · 46 citationsA&A 625, A42 (2019)
APPROX -- Mutual approximations between the Galilean moons. The 2016-2018 observational campaign1811.02913v1 · B. Morgado, R. Vieira-Martins, M. Assafin et al.2018 · 18 citationsMNRAS, 482, 5190 (2019)
The size, shape, density and ring of the dwarf planet Haumea from a stellar occultation.29022593 · Ortiz, J L, Santos-Sanz, P, Sicardy, B et al.2018 · 258 citationsNature. 2017;550(7675):219-223
Size and shape of Chariklo from multi-epoch stellar occultations1708.08934v1 · R Leiva, B Sicardy, J I B Camargo et al.2017 · 58 citationsarXiv
The structure of Chariklo's rings from stellar occultations1706.00207v2 · D. B'erard, B. Sicardy, J.I.B. Camargo et al.2017 · 44 citationsThe Astronomical Journal, 154:144 (21pp), 2017 October
Study of the plutino object (208996) 2003 AZ84 from stellar occultations: size, shape and topographic features1705.10895v1 · A. Dias-Oliveira, B. Sicardy, J. L. Ortiz et al.2017 · 50 citationsarXiv
Career total: at least 116 works. 58 are in this corpus.Showing the 50 most recent.
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