8.6k citations · 11.1k across the 46 of their papers we have counts for
46 papers
Gaia21bty: An EXor lightcurve exhibiting an FUor spectrum
Michał Siwak, Lynne A. Hillenbrand, Ágnes Kóspál +16
Gaia21bty, a pre-main sequence star that previously had shown aperiodic dips in its light curve, underwent a considerable mag brightening that occurred over a few mo…
The Gaia alerted fading of the FUor-type star Gaia21elv
Zsófia Nagy, Sunkyung Park, Péter Ábrahám +26
FU Orionis objects (FUors) are eruptive young stars, which exhibit outbursts that last from decades to a century. Due to the duration of their outbursts, and to the fact that only…
Probing the Global Dust Properties and Cluster Formation Potential of the Giant Molecular Cloud G148.24+00.41
Vineet Rawat, M. R. Samal, D. L. Walker +8
Clouds more massive than about M are potential sites of massive cluster formation. Studying the properties of such clouds in the early stages of their evolution offe…
The view of the Cepheus OB2 association
Máté Szilágyi, Mária Kun, Péter Ábrahám +1
OB associations, birthplaces of the most luminous stars, are key objects for understanding the formation of high-mass stars and their effects on their environments. The aim of this…
Tidally locked rotation of the dwarf planet (136199) Eris discovered from long-term ground based and space photometry
R. Szakáts, Cs. Kiss, J. L. Ortiz +9
The rotational states of the members in the dwarf planet - satellite systems in the transneptunian region are determined by the formation conditions and the tidal interaction betwe…
Gaia Data Release 3: All-sky classification of 12.4 million variable sources into 25 classes
Lorenzo Rimoldini, Berry Holl, Panagiotis Gavras +31
Gaia DR3 contains 1.8 billion sources with G-band photometry, 1.5 billion of which with BP and RP photometry, complemented by positions on the sky, parallax, and proper motion. The…
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…
Photometric and spectroscopic study of the burst-like brightening of two Gaia-alerted young stellar objects
Zsófia Nagy, Péter Ábrahám, Ágnes Kóspál +18
Young stars show variability on different time-scales from hours to decades, with a range of amplitudes. We studied two young stars, which triggered the Gaia Science Alerts system…
Gaia Data Release 3. Summary of the variability processing and analysis
L. Eyer, M. Audard, B. Holl +55
Context. Gaia has been in operations since 2014. The third Gaia data release expands from the early data release (EDR3) in 2020 by providing 34 months of multi-epoch observations t…
Rotation periods and shape asphericity in asteroid families based on TESS S1-S13 observations
Gyula M. Szabó, András Pál, László Szigeti +13
Here we present the analysis of the distribution of rotation periods and light curve amplitudes based on 2859 family asteroids in 16 Main Belt families based on 9912 TESS asteroid…
Early recognition of Microlensing Events from Archival Photometry with Machine Learning Methods
I. Gezer, Ł. Wyrzykowski, P. Zieliński +6
Gravitational microlensing method is a powerful method to detect isolated black holes in the Milky Way. During a microlensing event brightness of the source increases and this feat…
Gaia Photometric Science Alerts
S. T. Hodgkin, D. L. Harrison, E. Breedt +108
Since July 2014, the Gaia mission has been engaged in a high-spatial-resolution, time-resolved, precise, accurate astrometric, and photometric survey of the entire sky. Aims: We pr…
Dipper-like variability of the Gaia alerted young star V555 Ori
Zsófia Nagy, Elza Szegedi-Elek, Péter Ábrahám +26
V555 Ori is a T Tauri star, whose 1.5 mag brightening was published as a Gaia science alert in 2017. We carried out optical and near-infrared photometric, and optical spectroscopic…
Ancillary science with Ariel: Feasibility and scientific potential of young stellar object observations
Boldizsár I. Gyűrűs, Csaba Kiss, Juan Carlos Morales +7
To investigate the feasibility of ancillary target observations with ESA's Ariel mission, we compiled a list of potentially interesting young stars: FUors, systems harbouring extre…
Herschel-PACS photometry of Uranus' five major moons
Ö. H. Detre, T. G. Müller, U. Klaas +3
Aims. We aim to determine far-infrared fluxes at 70, 100, and 160m of the five major Uranus satellites Titania, Oberon, Umbriel, Ariel and Miranda, based on observations with th…
Image-based Classification of Variable Stars: First Results from Optical Gravitational Lensing Experiment Data
T. Szklenár, A. Bódi, D. Tarczay-Nehéz +5
Recently, machine learning methods presented a viable solution for automated classification of image-based data in various research fields and business applications. Scientists req…
Gaia 18dvy: a new FUor in the Cygnus OB3 association
E. Szegedi-Elek, P. Ábrahám, L. Wyrzykowski +59
We present optical-infrared photometric and spectroscopic observations of Gaia18dvy, located in the Cygnus OB3 association at a distance of 1.88 kpc. The object was noted by the Ga…
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…
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…
TNOs are Cool! A Survey of the transneptunian Region XV. Physical characteristics of 23 resonant transneptunian and scattered disk objects
A. Farkas-Takács, Cs. Kiss, E. Vilenius +7
The goal of this work is to determine the physical characteristics of resonant, detached and scattered disk objects in the transneptunian region, observed mainly in the framework o…
Light curves of ten Centaurs from K2 measurements
G. Marton, Cs. Kiss, L. Molnár +12
Here we present the results of visible range light curve observations of ten Centaurs using the Kepler Space Telescope in the framework of the K2 mission. Well defined periodic lig…
Small Bodies: Near and Far Database for thermal infrared observations of small bodies in the Solar System
Róbert Szakáts, Thomas Müller, Víctor Alí-Lagoa +4
In this paper we present the "Small Bodies: Near and Far" Infrared Database, an easy-to-use tool intended to facilitate the modeling of thermal emission of small Solar System bodie…
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…
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…