activity
20152026
most citedThe size, shape, density and ring of the dwarf planet Haumea from a stellar occultation

258 citations · 712 across the 19 of their papers we have counts for

collaborators

21 papers

astro-ph.EP2026

Size, shape, density, and atmospheric limit of (50000) Quaoar revealed from 14 years of stellar occultation

Giuliano Margoti, Felipe Braga-Ribas, José Luis Ortiz +173

We present results from 28 stellar occultations by the large Trans-Neptunian Object (50000) Quaoar registered between 2018 and 2025. By performing a joint analysis of this occultat…

astro-ph.SR2025

J-VAR: the northern variable sky in 7 filters -- First Data Release

A. Ederoclite, H. Vázquez Ramió, A. Alvarez-Candal +37

Aims. The analysis of variability of astronomical sources is of extraordinary interest, as it allows the study of astrophysical phenomena in real time. This paper presents the Java…

astro-ph.EP2025

Size and Shape of Jupiter Trojan (2207) Antenor from Stellar Occultations

Feliphe S. Ferreira, Julio I. B. Camargo, Bruno E. Morgado +34

Librating around the Lagrange L5, the Jupiter's Trojan (2207) Antenor has been observed in recent years and its rotational light curve suggests it to be a very likely binary astero…

astro-ph.EP2025★ 1 cited

Size and shape of the trans-Neptunian object (470316) 2007 OC10: Comparison with thermal data

J. M. Gómez-Limón, R. Leiva, J. L. Ortiz +40

The shapes of only 12 trans-Neptunian objects have been directly measured, offering crucial insights into their internal structure. These properties are strongly connected to the p…

hep-ph2025

The International Axion Observatory (IAXO): case, status and plans. Input to the European Strategy for Particle Physics

A. Arcusa, S. Ahyoune, K. Altenmuller +120

The International Axion Observatory (IAXO) is a next-generation axion helioscope designed to search for solar axions with unprecedented sensitivity. IAXO holds a unique position in…

astro-ph.EP2025

Shape and spin-state model of tumbling asteroid (319) Leona

J. Ďurech, J. L. Ortiz, M. Ferrais +14

Stellar occultations by asteroids observed from several stations are routinely used to reconstruct the asteroid's sky-plane projections. Together with the asteroid's shape model re…

astro-ph.EP2025★ 5 cited

The trans-Neptunian object (119951) 2002 KX14 revealed via multiple stellar occultations

J. L. Rizos, J. L. Ortiz, F. L. Rommel +55

(119951) 2002 KX14 is a large classical TNO with limited previous observations and unresolved questions regarding its physical properties. Five stellar occultations by 2002 KX14 we…

astro-ph.EP2025★ 1 cited

Stellar occultation observations of (38628) Huya and its satellite: a detailed look into the system

F. L. Rommel, E. Fernández-Valenzuela, B. C. N. Proudfoot +78

The physical and orbital parameters of Trans-Neptunian Objects (TNOs) provide valuable information about the Solar System's formation and evolution. In particular, the characteriza…

hep-ex2024

An accurate solar axions ray-tracing response of BabyIAXO

S. Ahyoune, K. Altenmueller, I. Antolin +124

BabyIAXO is the intermediate stage of the International Axion Observatory (IAXO) to be hosted at DESY. Its primary goal is the detection of solar axions following the axion heliosc…

astro-ph.IM2022★ 2 cited

Costs and benefits of automation for astronomical facilities

A. Yanes-Díaz, S. Rueda-Teruel, R. Bello +57

The Observatorio Astrofísico de Javalambre (OAJ†1) in Spain is a young astronomical facility, conceived and developed from the beginning as a fully automated observatory with the m…

astro-ph.EP2022★ 5 cited

The multichord stellar occultation by the centaur Bienor on January 11, 2019

E. Fernández-Valenzuela, N. Morales, M. Vara-Lubiano +42

Within our program of physical characterization of trans-Neptunian objects and centaurs, we predicted a stellar occultation by the centaur (54598) Bienor to occur on January 11, 20…

astro-ph.EP2022★ 20 cited

Constraints on the structure and seasonal variations of Triton's atmosphere from the 5 October 2017 stellar occultation and previous observations

J. Marques Oliveira, B. Sicardy, A. R. Gomes-Júnior +234

A stellar occultation by Neptune's main satellite, Triton, was observed on 5 October 2017 from Europe, North Africa, and the USA. We derived 90 light curves from this event, 42 of…

astro-ph.EP2020★ 9 cited

The 2017 May 20 stellar occultation by the elongated centaur (95626) 2002 GZ

P. Santos-Sanz, J. L. Ortiz, B. Sicardy +56

We predicted a stellar occultation of the bright star Gaia DR1 4332852996360346368 (UCAC4 385-75921) (m= 14.0 mag) by the centaur 2002 GZ for 2017 May 20$^{\rm th}…

physics.ins-det2020

Conceptual Design of BabyIAXO, the intermediate stage towards the International Axion Observatory

A. Abeln, K. Altenmüller, S. Arguedas Cuendis +123

This article describes BabyIAXO, an intermediate experimental stage of the International Axion Observatory (IAXO), proposed to be sited at DESY. IAXO is a large-scale axion heliosc…

astro-ph.CO2020★ 119 cited

The miniJPAS survey: a preview of the Universe in 56 colours

S. Bonoli, A. Marín-Franch, J. Varela +166

The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) will soon start to scan thousands of square degrees of the northern extragalactic sky with a unique…

astro-ph.EP2020★ 258 cited

The size, shape, density and ring of the dwarf planet Haumea from a stellar occultation

J. L. Ortiz, P. Santos-Sanz, B. Sicardy +90

Among the four known transneptunian dwarf planets, Haumea is an exotic, very elongated, and fast rotating body. In contrast to the other dwarf planets, its size, shape, albedo, and…

astro-ph.EP2020★ 23 cited

The large Trans-Neptunian Object 2002 TC from combined stellar occultation, photometry and astrometry data

J. L. Ortiz, P. Santos-Sanz, B. Sicardy +78

On 28th January 2018, the large Trans-Neptunian Object (TNO) 2002TC302 occulted a m15.3 star with ID 130957813463146112 in the Gaia DR2 stellar catalog. 12 positive occultati…

astro-ph.SR2019★ 2 cited

Absolute dimensions of the low-mass eclipsing binary system NSVS 10653195

Ramon Iglesias-Marzoa, Maria J. Arevalo, Mercedes Lopez-Morales +3

Low-mass stars in eclipsing binary systems show radii larger and effective temperatures lower than theoretical stellar models predict for isolated stars with the same masses. Eclip…

astro-ph.GA2018★ 248 cited

J-PLUS: The Javalambre Photometric Local Universe Survey

A. J. Cenarro, M. Moles, D. Cristóbal-Hornillos +119

J-PLUS is an ongoing 12-band photometric optical survey, observing thousands of square degrees of the Northern hemisphere from the dedicated JAST/T80 telescope at the Observatorio…

astro-ph.SR2017★ 17 cited

A refined analysis of the low-mass eclipsing binary system T-Cyg1-12664

R. Ramón Iglesias-Marzoa, M. López-Morales, M. J. Arévalo +2

The observational mass-radius relation of main sequence stars with masses between ~0.3 and 1.0 Msun reveals deviations between the stellar radii predicted by models and the observe…

astro-ph.SR2015★ 2 cited

The rvfit Code: A Detailed Adaptive Simulated Annealing Code for Fitting Binaries and Exoplanets Radial Velocities

Ramón Iglesias-Marzoa, Mercedes López-Morales, María Jesús Arévalo Morales

The fitting of radial velocity curves is a frequent procedure in binary stars and exoplanet research. In the majority of cases the fitting routines need to be fed with a set of ini…