10.4k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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26 papers · 2 filters
V346 Nor: the post-outburst life of a peculiar young eruptive star
Á. Kóspál, Zs. M. Szabó, P. Ábrahám +5
FU Orionis-type objects (FUors) are young low-mass stars undergoing powerful accretion outbursts. The increased accretion is often accompanied by collimated jets and energetic, lar…
Science Requirement Document (SRD) for the European Solar Telescope (EST) (3rd Edition, December 2025)
Rolf Schlichenmaier, Luis R. Bellot Rubio, Manuel Collados Vera +31
The European Strategy Forum on Research Infrastructures (ESFRI) included the European Solar Telescope (EST) as an ESFRI Project in its 2016 Roadmap and confirmed this status in 202…
Detection and characterisation of oscillating red giants: first results from the TESS satellite
Víctor Silva Aguirre, Dennis Stello, Amalie Stokholm +78
Since the onset of the `space revolution' of high-precision high-cadence photometry, asteroseismology has been demonstrated as a powerful tool for informing Galactic archaeology in…
Homogeneous Analysis of Globular Clusters from the APOGEE Survey with the BACCHUS Code. II. The Southern Clusters and Overview
Szabolcs Mészáros, Thomas Masseron, D. A. García-Hernández +33
We investigate the Fe, C, N, O, Mg, Al, Si, K, Ca, Ce and Nd abundances of 2283 red giant stars in 31 globular clusters from high-resolution spectra observed in both the northern a…
Magnetic Rayleigh-Taylor Instability at a Contact Discontinuity With Oblique Magnetic Field
E. Vickers, I. Ballai, R. Erdélyi
Aims: In the present work we investigate the nature of the magnetic Rayleigh-Taylor instability at a density interface permeated by an oblique, homogeneous magnetic field in an inc…
Co-spatial velocity and magnetic swirls in the simulated solar photosphere
Jiajia Liu, Mats Carlsson, Chris J Nelson +1
Context. Velocity or intensity swirls have now been shown to be widely present throughout the photosphere and chromosphere. It has been suggested that these events could contribute…
Optimization of surface flux transport models for the solar polar magnetic field
K. Petrovay, M. Talafha
The choice of free parameters in surface flux transport (SFT) models describing the evolution of the large-scale poloidal magnetic field of the Sun is critical for the correct repr…
Impact of rogue active regions on hemispheric asymmetry
Melinda Nagy, Alexandre Lemerle, Paul Charbonneau
The solar dipole moment at activity minimum is a good predictor of the strength of the subsequent solar cycle. Through a systematic analysis using a state-of-the-art 22 D s…
AU Pegasi revisited: period evolution and orbital elements of a peculiar Type II Cepheid
Géza Csörnyei, László Szabados
New analysis on the period changes of Type II Cepheid AU Peg is presented. The available recent photometric measurements were collected and analysed with various methods. The perio…
Spatially resolved signatures of bi-directional flows observed in inverted-Y shaped jets
C. J. Nelson, N. Freij, S. Bennett +2
Numerous apparent signatures of magnetic reconnection have been reported in the solar photosphere, including inverted-Y shaped jets. The reconnection at these sites is expected to…
Solar cycle prediction
Kristof Petrovay
A review of solar cycle prediction methods and their performance is given, including early forecasts for cycle 25. The review focuses on those aspects of the solar cycle prediction…
Chromium Nucleosynthesis and Silicon-Carbon Shell Mergers in Massive Stars
Benoit Côté, Samuel Jones, Falk Herwig +1
We analyze the production of the element Cr in galactic chemical evolution (GCE) models using the NuGrid nucleosynthesis yields set. We show that the unusually large [Cr/Fe] abunda…
The Effect Of Cooling On Driven Kink Oscillations Of Coronal Loops
C. J. Nelson, A. A. Shukhobodskiy, R. Erdélyi +1
Ever since their detection two decades ago, standing kink oscillations in coronal loops have been extensively studied both observationally and theoretically. Almost all driven coro…
The compact multiple system HIP 41431
T. Borkovits, J. Sperauskas, A. Tokovinin +4
The nearby (50 pc) K7V dwarf HIP~41431 (EPIC 212096658) is a compact 3-tier hierarchy. Three K7V stars with similar masses, from 0.61 to 0.63 solar, make a triple-lined spectroscop…
How Many Twists Do Solar Coronal Jets Release?
Jiajia Liu, Yuming Wang, Robertus Erdélyi
Highly twisted magnetic flux ropes, with finite length, are subject to kink instabilities, and could lead to a number of eruptive phenomena in the solar atmosphere, including flare…
Spectroscopic confirmation of the binary nature of the hybrid pulsator KIC 5709664 found with the frequency modulation method
A. Derekas, S. J. Murphy, G. Dalya +14
We started a program to search for companions around hybrid Sct/ Dor stars with the frequency modulation method using Kepler data. Our best candidate was KIC 5709664, where…
Modelling 3D magnetic networks in a realistic solar atmosphere
Frederick A. Gent, Ben Snow, Viktor Fedun +1
The magnetic network extending from the photosphere (solar radius ) to lower corona ( Mm) plays an important role in the heating mechanisms of the sol…
Early Time Light Curves of Type Ia Supernovae Observed with TESS
M. M. Fausnaugh, P. J. Vallely, C. S. Kochanek +18
We present early time light curves of Type Ia supernovae observed in the first six sectors of TESS data. Ten of these supernovae were discovered by ASAS-SN, seven by ATLAS, six by…
Revisiting the Kepler non-Blazhko RR Lyrae sample: Cycle-to-cyle variations and additional modes
József M. Benkő, Johanna Jurcsik, Aliz Derekas
We analyzed the long and short cadence light curves of the Kepler non-Blazhko RRab stars. We prepared the Fourier spectra, the Fourier amplitude and phase variation functions, time…
Eclipse timing variation analysis of OGLE-IV eclipsing binaries toward the Galactic Bulge. I. Hierarchical triple system candidates
T. Hajdu, T. Borkovits, E. Forgács-Dajka +3
We report a study of the eclipse timing variation (ETV) of short period () eclipsing binaries (EB) monitored during the photometric survey OGLE-IV. From the 425\,193 EB…
Surface magnetic activity of the fast-rotating G5-giant IN Comae, central star of the faint planetary nebula LoTr 5
Zs. Kővári, K. G. Strassmeier, K. Oláh +8
On the AGB, low to intermediate mass stars blow away their outer envelopes, forming planetary nebulae. Interaction between the planetary nebula and its central progenitor is poorly…
Dust evolution in the circumstellar disc of the unclassified B[e] star HD 50138
J. Varga, T. Gerják, P. Ábrahám +3
We studied the disc of the unclassified B[e] star HD 50138, in order to explore its structure, and to find indications for the evolutionary status of this system, whether it is a y…
The weakening outburst of the young eruptive star V582 Aur
G. Zsidi, P. Ábrahám, J. A. Acosta-Pulido +17
V582 Aur is a pre-main sequence FU Orionis type eruptive star, which entered a brightness minimum in 2016 March due to changes in the line-of-sight extinction. Here, we present and…
Constraining Metallicity-dependent Mixing and Extra Mixing using [C/N] in Alpha-Rich Field Giants
Matthew Shetrone, Jamie Tayar, Jennifer A. Johnson +11
Internal mixing on the giant branch is an important process which affects the evolution of stars and the chemical evolution of the galaxy. While several mechanisms have been propos…