KO
K. Olah
astro-ph.SRastro-phastro-ph.EPastro-ph.IM
On Valency
published · living versionsW_twzyqmr7·v1 · currentpublished
Planet Hunters X. KIC 8462852 - Where's the Flux?
with T. S. Boyajian, D. M. LaCourse, S. A. Rappaport, D. Fabrycky +44
1 version
Preprints & journals
58 papers in the corpus · 2007–2026Sub-second cadence structure of optical flares on AD Leo2602.21726v1 · B. Schmercz, B. Seli, K. Vida et al.2026 · 0 citationsarXiv
Four decades of photometry of XX Trianguli, `the most spotted star' in the sky2507.17926v1 · Zs. Kov'ari, K. G. Strassmeier, K. Ol'ah et al.2025 · 2 citationsA&A 701, A103 (2025)
Starspots on eclipsing giant stars I.: The sample and eclipse mapping examples2504.15389v1 · K. Ol'ah, B. Seli, A. Haris et al.2025 · 3 citationsA&A 698, A150 (2025)
Stellar flare morphology with TESS across the main sequence2412.12989v1 · B'alint Seli, Kriszti'an Vida, Katalin Ol'ah et al.2024 · 16 citationsA&A 694, A161 (2025)
Stellar flares, superflares and coronal mass ejections -- entering the Big data era2407.16446v1 · Kriszti'an Vida, Zsolt Kov'ari, Martin Leitzinger et al.2024 · 19 citationsarXiv
A star under multiple influences. Magnetic activity in V815 Her, a compact 2+2 hierarchical system2312.08416v2 · Zs. Kovari, K.G. Strassmeier, L. Kriskovics et al.2023 · 0 citationsarXiv
EI Eridani: a star under the influence -- The effect of magnetic activity in the short and long term2304.13234v1 · L. Kriskovics, Zs. Kov'ari, B. Seli et al.2023 · 10 citationsA&A 674, A143 (2023)
Surface activity of the G dwarf primary in the quaternary star system V815 Her2212.00558v1 · Zsolt Kov'ari, Klaus G. Strassmeier, Tam'as Borkovits et al.2022 · 0 citationsarXiv
Characteristics of flares on giant stars2210.09710v1 · Katalin Ol'ah, B'alint Seli, Zsolt Kov'ari et al.2022 · 15 citationsA&A 668, A101 (2022)
Extending the FIP bias sample to magnetically active stars. Challenging the FIP bias paradigm?2111.14735v1 · B. Seli, K. Ol'ah, L. Kriskovics et al.2021 · 20 citationsA&A 659, A3 (2022)
Activity of TRAPPIST-1 analogue stars observed with TESS2103.13540v1 · B'alint Seli, Kriszti'an Vida, Attila Mo'or et al.2021 · 29 citationsA&A 650, A138 (2021)
A confined dynamo: magnetic activity of the K-dwarf component in the pre-cataclysmic binary system V471 Tauri2103.02041v1 · Zs. Kov'ari, L. Kriskovics, K. Ol'ah et al.2021 · 14 citationsA&A 650, A158 (2021)
KIC 2852961 -- a superflaring red monster in the Kepler field2101.05025v1 · Zs. Kov'ari, K. Ol'ah, M.N. Gunther et al.2021 · 0 citationsarXiv
Complex Modulation of Rapidly Rotating Young M Dwarfs: Adding Pieces to the Puzzle2008.11681v2 · Maximilian N. Gunther, David A. Berardo, Elsa Ducrot et al.2020 · 24 citationsarXiv
Superflares on the late-type giant KIC 2852961 -- Scaling effect behind flaring at different energy levels2005.05397v2 · Zs. Kov'ari, K. Ol'ah, M. N. Gunther et al.2020 · 25 citationsA&A 641, A83 (2020)
Cycle times of early M dwarf stars: mean field models versus observations1911.13094v1 · Manfred Kuker, Gunther Rudiger, Katalin Ol'ah et al.2019 · 0 citationsarXiv
Magnetic activity of the young solar analogue V1358 Ori1905.08310v1 · L. Kriskovics, Zs. Kov'ari, K. Vida et al.2019 · 14 citationsA&A 627, A52 (2019)
Complex Rotational Modulation of Rapidly Rotating M-Stars Observed with TESS1903.02061v2 · Z. Zhan, M. N. Gunther, S. Rappaport et al.2019 · 54 citationsarXiv
Surface magnetic activity of the fast-rotating G5-giant IN Comae, central star of the faint planetary nebula LoTr 51902.09460v1 · Zs. Kov'ari, K. G. Strassmeier, K. Ol'ah et al.2019 · 9 citationsA&A 624, A83 (2019)
Deep Long Asymmetric Occultation in EPIC 2043760711902.08152v1 · S. Rappaport, G. Zhou, A. Vanderburg et al.2019 · 27 citationsarXiv
Stellar Flares from the First Tess Data Release: Exploring a New Sample of M-dwarfs1901.00443v2 · Maximilian N. Gunther, Zhuchang Zhan, Sara Seager et al.2019 · 371 citationsarXiv
Eclipsing Spotted Giant Star With K2 and Historical Photometry1810.03925v1 · K. Ol'ah, S. Rappaport, T. Borkovits et al.2018 · 10 citationsA&A 620, A189 (2018)
Superflares on Giant Stars1804.06315v2 · M.M.Katsova, L.L.Kitchatinov, D.Moss et al.2018 · 14 citationsarXiv
Cycle period, differential rotation and meridional flow for early M dwarf stars1804.02925v2 · M. Kuker, G. Rudiger, K. Ol'ah et al.2018 · 23 citationsA&A 622, A40 (2019)
Rotation--differential rotation relationships for late-type single and binary stars from Doppler imaging1709.09001v2 · Zs. Kov'ari, K. Ol'ah, L. Kriskovics et al.2017 · 34 citationsarXiv
Antisolar differential rotation with surface lithium enrichment on the single K-giant V1192 Orionis1708.01577v1 · Zs. Kov'ari, K. G. Strassmeier, T. A. Carroll et al.2017 · 14 citationsA&A 606, A42 (2017)
Frequent flaring in the TRAPPIST-1 system - unsuited for life?1703.10130v2 · Kriszti'an Vida, Zsolt Kov'ari, Andr'as P'al et al.2017 · 181 citationsarXiv
Time-series Doppler images and surface differential rotation of the effectively-single rapidly-rotating K-giant KU Pegasi1609.00196v1 · Zs. Kov'ari, A. Kunstler, K. G. Strassmeier et al.2016 · 10 citationsA&A 596, A53 (2016)
Magnetic cycles at different ages of stars1604.06701v2 · K. Ol'ah, Zs. Kov'ari, K. Petrovay et al.2016 · 94 citationsA&A 590, A133 (2016)
Investigating magnetic activity in very stable stellar magnetic fields: long-term photometric and spectroscopic study of the fully convective M4 dwarf V374 Peg1603.00867v3 · K. Vida, L. Kriskovics, K. Ol'ah et al.2016 · 35 citationsA&A 590, A11 (2016)
Detection of binary and multiple systems among rapidly rotating K and M dwarf stars from Kepler data1602.01713v1 · Katalin Ol'ah, Saul Rappaport, Matthew Joss2016 · 0 citationsLiving Together: Planets, Host Stars and Binaries, ASP Conference Series, 2015, Vol. 496., p.83
Planet Hunters X. KIC 8462852 - Where's the Flux?1509.03622v2 · T. S. Boyajian, D. M. LaCourse, S. A. Rappaport et al.2015 · 289 citationsarXivon Valency
Study of FK Comae Berenices: VII. Correlating photospheric and chromospheric activity1505.07119v1 · K. Vida, H. Korhonen, I.V. Ilyin et al.2015 · 11 citationsA&A 580, A64 (2015)
Antisolar differential rotation of the K1-giant sigma Geminorum revisited1411.1774v1 · Zs. Kovari, L. Kriskovics, A. Kunstler et al.2014 · 41 citationsA&A 573, A98 (2015)
Magnitude-range brightness variations of overactive K giants1409.6515v1 · K. Ol'ah, A. Mo'or, Zs. Kov'ari et al.2014 · 13 citationsA&A 572, A94 (2014)
Lithium enrichment on the single active K1-giant DI Piscium -- Possible joint origin of differential rotation and Li enrichment1408.6106v1 · L. Kriskovics, Zs. Kov'ari, K. Vida et al.2014 · 14 citationsarXiv
M-Dwarf Fast Rotators and the Detection of Relatively Young Multiple M-Star Systems1405.1493v1 · S. Rappaport, J. Swift, A. Levine et al.2014 · 28 citationsarXiv
Doppler imaging of the double-lined active binary V824 Ara1310.4020v1 · Levente Kriskovics, Kriszti'an Vida, Zsolt Kov'ari et al.2013 · 4 citationsarXiv
Activity on a Li-rich giant: DI Psc revisited1310.4786v1 · Levente Kriskovics, Zsolt Kov'ari, Kriszti'an Vida et al.2013 · 1 citationarXiv
Surface differential rotation of IL Hya from time-series Doppler images1309.1378v1 · Zsolt Kov'ari, Levente Kriskovics, Katalin Ol'ah et al.2013 · 7 citationsarXiv
Detecting activity cycles of late-type dwarfs in Kepler data1308.2641v1 · K. Vida, K. Ol'ah2013 · 2 citationsarXiv
A quest for activity cycles in low mass stars1306.6845v1 · K. Vida, L. Kriskovics, K. Ol'ah2013 · 23 citationsarXiv
The Fly's Eye Camera System -- an instrument design for large étendue time-domain survey1306.6564v1 · Andr'as P'al, L'aszl'o M'esz'aros, Gergely Cs'ep'any et al.2013 · 18 citationsarXiv
The strange close binary V405 And: the influence of different dynamos on the components1303.1813v1 · K. Vida, L. Kriskovics, K. Ol'ah et al.2013 · 0 citationsarXiv
Long-term photometry of three active red giants in close binary systems: V2253 Oph, IT Com and IS Vir1301.3435v1 · K. Ol'ah, A. Mo'or, K. G. Strassmeier et al.2013 · 10 citationsarXiv
Modelling of an eclipsing RS CVn-binary: V405 And1205.6384v1 · K. Vida, K. Ol'ah, Zs. Kov'ari2012 · 0 citations2012 IAUS, 282, 199V
Long-term photometric monitoring of RR Lyr stars in M31109.4525v1 · J. Jurcsik, G. Hajdu, B. Szeidl et al.2011 · 41 citationsarXiv
Binary-induced magnetic activity? Time-series echelle spectroscopy and photometry of HD123351 = CZ CVn1108.4673v1 · K. G. Strassmeier, T. A. Carroll, M. Weber et al.2011 · 23 citationsA&A 535 (2011) A98
Surface evolution in stable magnetic fields: the case of the fully convective dwarf V374 Peg1010.4024v2 · K. Vida, K. Ol'ah, Zs. Kovari2010 · 0 citations2011 IAUS, 273, 460V
Photometric and spectroscopic observations of three rapidly rotating late-type stars: EY Dra, V374 Peg and GSC 02038-002931007.0242v1 · H. Korhonen (ESO), K. Vida, M. Husarik et al.2010 · 14 citationsarXiv
Career total: at least 215 works. 58 are in this corpus.Showing the 50 most recent.
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