NM
N. Morales
astro-ph.EPastro-ph.SRastro-ph.IMastro-ph.GAastro-ph.HEcs.LGphysics.space-phPlanetsStars, Celestial
On Valency
published · living versionsW_d4bbqgn9·v1 · currentpublished
Possible ring material around centaur (2060) Chiron
with J. L. Ortiz, R. Duffard, N. Pinilla-Alonso, A. Alvarez-Candal +5
1 version
Preprints & journals
87 papers in the corpus · 2009–2026JWST 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
Detection and characterisation of binary asteroid candidates through stellar occultations2606.13353v2 · R. Lallemand, J. Desmars, B. Sicardy et al.2026 · 0 citationsarXiv
StreakMind: AI detection and analysis of satellite streaks in astronomical images with automated database integration2605.03429v1 · Rafael Carrillo Navarro, Ren'e Duffard, Pablo Garc'ia-Mart'in et al.2026 · 2 citationsAstronomy & Astrophysics, 708, A211 (2026)
A gem system with a lava world and a habitable zone sub-Neptune orbiting TOI-17522604.15816v1 · A. Pel'aez-Torres, F. J. Pozuelos, G. Morello et al.2026 · 1 citationarXiv
Predictions of Stellar Occultations by Haumea and the Event of 4 May 20262603.15049v2 · Jos'e Luis Ortiz, Nicolas Morales, Antonio Ocana-Pastor et al.2026 · 1 citationMon Not R Astron Soc (2026)
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)
Synchronous Rotation in the (120347) Salacia-Actaea System2509.02734v1 · Cameron Collyer, Estela Fernandez-Valenzuela, Jose Luis Ortiz et al.2025 · 2 citationsarXiv
X-SHOOTER Spectrum of Comet 3I/ATLAS: Insights into a Distant Interstellar Visitor2507.07312v3 · A. Alvarez-Candal, J. L. Rizos, L. M. Lara et al.2025 · 18 citationsA&A 700, L10 (2025)
Asteroid sizes determined with thermophysical model and stellar occultations2505.09437v1 · A. Choukroun, A. Marciniak, J. Durech et al.2025 · 2 citationsarXiv
Size and shape of the trans-Neptunian object (470316) 2007 OC10: Comparison with thermal data2504.02457v1 · J.M. G'omez-Lim'on, R. Leiva, J. L. Ortiz et al.2025 · 1 citationA&A 697, A157 (2025)
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 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
RedDots: Limits on habitable and undetected planets orbiting nearby stars GJ 832, GJ 674, and Ross 1282409.01173v1 · F. Liebing, S. V. Jeffers, P. Gorrini 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)
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
Scaling slowly rotating asteroids by stellar occultations2310.08995v1 · A. Marciniak, J. Durech, A. Choukroun et al.2023 · 11 citationsA&A 679, A60 (2023)
The stellar occultation by (319) Leona on 13 September 2023 in preparation for the occultation of Betelgeuse2309.12272v1 · J. L. Ortiz, M. Kretlow, C. Schnabel et al.2023 · 2 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)
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
Tidally locked rotation of the dwarf planet (136199) Eris discovered from long-term ground based and space photometry2211.07987v2 · R. Szak'ats, Cs. Kiss, J. L. Ortiz et al.2022 · 15 citationsA&A 669, L3 (2023)
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)
MARCOT Pathfinder at Calar Alto Progress Report2207.02306v1 · Martin M. Roth, Jes'us Aceituno, Jos'e L. Ortiz et al.2022 · 2 citationsarXiv
Detailed stellar activity analysis and modelling of GJ 832: Reassessment of the putative habitable zone planet GJ 832c2206.07552v4 · P. Gorrini, N. Astudillo-Defru, S. Dreizler et al.2022 · 12 citationsA&A 664, A64 (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)
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)
Properties of slowly rotating asteroids from the Convex Inversion Thermophysical Model2109.00463v1 · A. Marciniak, J. Durech, V. Al'i-Lagoa et al.2021 · 16 citationsA&A 654, A87 (2021)
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)
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
Monitoring the radio emission of Proxima Centauri2012.02116v2 · Miguel P'erez-Torres, Jos'e Francisco G'omez, Jos'e Luis Ortiz et al.2020 · 71 citationsA&A 645, A77 (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 CARMENES search for exoplanets around M dwarfs. Characterization of the nearby ultra-compact multiplanetary system YZ Ceti2002.01772v1 · S.Stock, J.Kemmer, S.Reffert et al.2020 · 40 citationsA&A 636, A119 (2020)
Physical parameters of selected Gaia mass asteroids2001.07030v1 · E. Podlewska-Gaca, A. Marciniak, V. Al'i-Lagoa et al.2020 · 8 citationsarXiv
A low-mass planet candidate orbiting Proxima Centauri at a distance of 1.5 AU.31998838 · Damasso, Mario, Del Sordo, Fabio, Anglada-Escudé, Guillem et al.2020 · 89 citationsScience advances. 2020;6(3):eaax7467
The changing rotational light-curve amplitude of Varuna and evidence for a close-in satellite1909.04698v1 · Estela Fern'andez-Valenzuela, Jose Luis Ortiz, Nicol'as Morales et al.2019 · 11 citationsarXiv
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
Red Dots: A temperate 1.5 Earth-mass planet in a compact multi-terrestrial planet system around GJ10611908.04717v1 · S. Dreizler, S.V., Jeffers et al.2019 · 60 citationsarXiv
Multiwavelength observations of a bright impact flash during the January 2019 total lunar eclipse1905.04487v1 · Jos'e M. Madiedo, Jos'e L. Ortiz, Nicol'as Morales et al.2019 · 22 citationsarXiv
Long-term photometric monitoring of the dwarf planet (136472) Makemake1904.03679v1 · T. A. Hromakina, I. N. Belskaya, Yu. N. Krugly et al.2019 · 12 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)
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