activity
20082026
most citedThe size, shape, density and ring of the dwarf planet Haumea from a stellar occultation

258 citations · 1.3k across the 47 of their papers we have counts for

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21 papers · 1 filter

astro-ph.EP2026

Reliability of Zodiacal Background Models at Small Solar Elongations

Csaba Kiss, Thomas G. Müller, Javier Licandro +6

Present models of the zodiacal light (scattered sunlight from interplanetary dust in the visible) and zodiacal emission (thermal emission in the mid-infrared) are primarily constra…

astro-ph.EP2025★ 2 cited

NEO and imminent impactor discoveries from Hungary: recent results and lessons learnt

Norton O. Szabo, Krisztian Sarneczky, Laszlo L. Kiss +15

2022 EB5, 2023 CX1 and 2024 BX1: these are the three recent imminent impactor discoveries from the Piszkéstető Mountain Station of the Konkoly Observatory. They make up about one p…

astro-ph.EP2025

A high geometric albedo and small size of the Haumea cluster member (24835) 1995 SM55 from a stellar occultation and photometric observations

J. L. Ortiz, N. Morales, B. Sicardy +98

Trans-Neptunian objects (TNOs) are among the most ancient bodies of the solar system. Understanding their physical properties is key to constraining their origin and the evolution…

astro-ph.EP2025★ 2 cited

Asteroid sizes determined with thermophysical model and stellar occultations

A. Choukroun, A. Marciniak, J. Ďurech +165

Context. The sizes of many asteroids, especially slowly rotating, low-amplitude targets, remain poorly constrained due to selection effects. These biases limit the availability of…

astro-ph.EP2024

Prominent mid-infrared excess of the dwarf planet (136472) Makemake discovered by JWST/MIRI indicates ongoing activity

Csaba Kiss, Thomas G. Müller, Anikó Farkas-Takács +18

We report on the discovery of a very prominent mid-infrared (18-25 μm) excess associated with the trans-Neptunian dwarf planet (136472) Makemake. The excess, detected by the MIRI i…

astro-ph.EP2023★ 23 cited

A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS measured from stellar occultations

F. L. Rommel, F. Braga-Ribas, J. L. Ortiz +201

This work aims at constraining the size, shape, and geometric albedo of the dwarf planet candidate 2002 MS4 through the analysis of nine stellar occultation events. Using multichor…

astro-ph.EP2022★ 10 cited

Light curves of transneptunian objects from the K2 mission of the Kepler Space Telescope

Viktória Kecskeméthy, Csaba Kiss, Róbert Szakáts +10

The K2 mission of the Kepler Space Telescope allowed the observations of light curves of small solar system bodies throughout the whole Solar system. In this paper we present the r…

astro-ph.EP2022★ 18 cited

Physical properties of the trans-Neptunian object (38628) Huya from a multi-chord stellar occultation

P. Santos-Sanz, J. L. Ortiz, B. Sicardy +85

Within our international program to obtain accurate physical properties of trans-Neptunian objects (TNOs) we predicted a stellar occultation by the TNO (38628) Huya of the star Gai…

astro-ph.EP2022★ 13 cited

The multichord stellar occultation on 2019 October 22 by the trans-Neptunian object (84922) 2003 VS

M. Vara-Lubiano, G. Benedetti-Rossi, P. Santos-Sanz +60

We predicted, observed, and analyzed the multichord stellar occultation of the Second Gaia Data Release (Gaia DR2) source 3449076721168026624 (m = 14.1 mag) by the plutino obje…

astro-ph.EP2021★ 23 cited

101 Trojans: a tale of period bimodality, binaries, and extremely slow rotators from K2 photometry

Csilla E. Kalup, László Molnár, Csaba Kiss +8

Various properties of Jovian trojan asteroids such as composition, rotation periods, and photometric amplitudes, or the rate of binarity in the population can provide information a…

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.EP2020★ 20 cited

Thermal properties of large main-belt asteroids observed by Herschel PACS

V. Alí-Lagoa, T. G. Müller, C. Kiss +11

Non-resolved thermal infrared observations enable studies of thermal and physical properties of asteroid surfaces provided the shape and rotational properties of the target are wel…

astro-ph.EP2020★ 8 cited

Physical parameters of selected Gaia mass asteroids

E. Podlewska-Gaca, A. Marciniak, V. Alí-Lagoa +36

Thanks to the Gaia mission, it will be possible to determine the masses of approximately hundreds of large main belt asteroids with very good precision. We currently have diameter…

astro-ph.EP2020★ 18 cited

Rotational properties of Hilda asteroids observed by the K2 mission

Gyula M. Szabó, Csaba Kiss, Róbert Szakáts +7

Hilda asteroids orbit at the outer edge, or just outside of the Main Belt, occupying the 2:3 mean motion resonance with Jupiter. It is known that the group shows a mixed taxonomy t…

astro-ph.EP2020★ 91 cited

Solar System objects observed with TESS -- First data release: bright main-belt and Trojan asteroids from the Southern Survey

András Pál, Róbert Szakáts, Csaba Kiss +10

Compared with previous space-borne surveys, the Transiting Exoplanet Survey Satellite (TESS) provides a unique and new approach to observe Solar System objects. While its primary m…

astro-ph.EP2019★ 18 cited

(704) Interamnia: A transitional object between a dwarf planet and a typical irregular-shaped minor body

J. Hanuš, P. Vernazza, M. Viikinkoski +56

With an estimated diameter in the 320 to 350 km range, (704) Interamnia is the fifth largest main belt asteroid and one of the few bodies that fills the gap in size between the fou…

astro-ph.EP2019★ 29 cited

Thermal properties of slowly rotating asteroids: Results from a targeted survey

A. Marciniak, V. Alí-Lagoa, T. G. Müller +51

Context. Earlier work suggests that slowly rotating asteroids should have higher thermal inertias than faster rotators because the heat wave penetrates deeper into the sub-surface.…

astro-ph.EP2017★ 26 cited

Small Bodies Near and Far (SBNAF): a benchmark study on physical and thermal properties of small bodies in the Solar System

T. G. Müller, A. Marciniak, C. Kiss +15

The combination of visible and thermal data from the ground and astrophysics space missions is key to improving the scientific understanding of near-Earth, main-belt, trojans, cent…

astro-ph.EP2016★ 5 cited

Large Halloween Asteroid at Lunar Distance

T. G. Müller, A. Marciniak, M. Butkiewicz-Bąk +7

The near-Earth asteroid (NEA) 2015 TB145 had a very close encounter with Earth at 1.3 lunar distances on October 31, 2015. We obtained 3-band mid-infrared observations with the ESO…

astro-ph.EP2016★ 26 cited

Activity of 50 Long-Period Comets Beyond 5.2 AU

K. Sarneczky, Gy. M. Szabo, B. Csak +10

Remote investigations of the ancient solar system matter has been traditionally carried out through the observations of long-period (LP) comets that are less affected by solar irra…