Items where Author is "Oláh, Katalin Ilona"

Article

Vida, Krisztián and Kővári, Zsolt and Leitzinger, Martin and Odert, Petra and Oláh, Katalin Ilona and Seli, Bálint Attila and Kriskovics, Levente and Greimel, Robert and Görgei, Anna Mária (2024) Stellar flares, superflares and coronal mass ejections - entering the Big data era. UNIVERSE, 10 (8). p. 313. ISSN 2218-1997

Kővári, Zsolt and Strassmeier, K. G. and Kriskovics, Levente and Oláh, Katalin Ilona and Borkovits, Tamás and Radványi, Ádám and Granzer, T. and Seli, Bálint Attila and Vida, Krisztián and Weber, M. (2024) A star under multiple influences : Magnetic activity in V815 Her, a compact 2+2 hierarchical system. ASTRONOMY & ASTROPHYSICS, 684. ISSN 0004-6361

Oláh, Katalin Ilona and Seli, Bálint Attila and Kővári, Zsolt and Kriskovics, Levente and Vida, Krisztián (2022) Characteristics of flares on giant stars. ASTRONOMY & ASTROPHYSICS, 668. ISSN 0004-6361

Günther, Maximilian N. and Berardo, David A. and Ducrot, Elsa and Murray, Catriona A. and Stassun, Keivan G. and Oláh, Katalin Ilona and Seli, Bálint Attila (2022) Complex Modulation of Rapidly Rotating Young M Dwarfs: Adding Pieces to the Puzzle. ASTRONOMICAL JOURNAL, 163. ISSN 0004-6256

Seli, Bálint Attila and Oláh, Katalin Ilona and Kriskovics, Levente and Kővári, Zsolt and Vida, Krisztián and Balázs, Lajos and Van Driel Gesztelyi, Lídia (2022) Extending the FIP bias sample to magnetically active stars: challenging the FIP bias paradigm? ASTRONOMY & ASTROPHYSICS, 659. ISSN 0004-6361

Seli, Bálint Attila and Vida, Krisztián and Moór, Attila and Pál, András and Oláh, Katalin Ilona (2021) Activity of TRAPPIST-1 analog stars observed with TESS. ASTRONOMY & ASTROPHYSICS, 650. ISSN 0004-6361

Oláh, Katalin Ilona and Kővári, Zsolt and Günther, M. N. and Vida, Krisztián and Gaulme, P. and Seli, Bálint Attila and Pál, András (2021) Toward the true number of flaring giant stars in the Kepler field: Are their flaring specialities associated with their being giant stars? ASTRONOMY & ASTROPHYSICS, 647. ISSN 0004-6361

Kővári, Zsolt and Kriskovics, Levente and Oláh, Katalin Ilona and Odert, P. and Leitzinger, M. and Seli, Bálint Attila and Vida, Krisztián and Borkovits, Tamás (2021) A confined dynamo: Magnetic activity of the K-dwarf component in the pre-cataclysmic binary system V471 Tauri. ASTRONOMY & ASTROPHYSICS, 650. ISSN 0004-6361

Küker, Manfred and Rüdiger, Günther and Oláh, Katalin Ilona and Strassmeier, Klaus G. (2020) Cycle times of early M dwarf stars: mean field models versus observations. PROCEEDINGS OF THE INTERNATIONAL ASTRONOMICAL UNION, 15 (S354). pp. 116-119. ISSN 1743-9213

Günther, Maximilian N. and Zhan, Zhuchang and Seager, Sara and Rimmer, Paul B. and Ranjan, Sukrit and Oláh, Katalin Ilona (2020) Stellar Flares from the First TESS Data Release: Exploring a New Sample of M Dwarfs. ASTRONOMICAL JOURNAL, 159 (2). ISSN 0004-6256

Kővári, Zsolt and Oláh, Katalin Ilona and Günther, M. N. and Vida, Krisztián and Kriskovics, Levente and Seli, Bálint Attila (2020) Superflares on the late-type giant KIC 2852961. Scaling effect behind flaring at different energy levels. ASTRONOMY & ASTROPHYSICS, 641. ISSN 0004-6361

Zhan, Z. and Günther, M. N. and Rappaport, S. and Oláh, Katalin Ilona and Mann, A. (2019) Complex Rotational Modulation of Rapidly Rotating M Stars Observed with TESS. ASTROPHYSICAL JOURNAL, 876 (2). ISSN 1538-4357

Küker, M. and Rüdiger, G. and Oláh, Katalin Ilona and Strassmeier, K. G. (2019) Cycle period, differential rotation, and meridional flow for early M dwarf stars. ASTRONOMY & ASTROPHYSICS, 622. ISSN 0004-6361

Rappaport, S. and Zhou, G. and Vanderburg, A. and Mann, A. and Kristiansen, M. H. and Oláh, Katalin Ilona (2019) Deep long asymmetric occultation in EPIC 204376071. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 485 (2). pp. 2681-2693. ISSN 0035-8711

Vida, Krisztián and Oláh, Katalin Ilona and Kővári, Zsolt and Van Driel Gesztelyi, Lídia and Moór, Attila and Pál, András (2019) Flaring activity of Proxima Centauri from TESS observations: quasi-periodic oscillations during flare decay and inferences on the habitability of Proxima b. ASTROPHYSICAL JOURNAL, 1907. ISSN 0004-637X

Kriskovics, Levente and Kővári, Zsolt and Vida, Krisztián and Oláh, Katalin Ilona and Carroll, T.A. (2019) Magnetic activity of the young solar analog V1358 Orinis. ASTRONOMY & ASTROPHYSICS, 627. ISSN 0004-6361

Kővári, Zsolt and Strassmeier, K. G. and Oláh, Katalin Ilona and Kriskovics, Levente and Vida, Krisztián and Jurcsik, Johanna and Kővári, Emese (2019) Surface magnetic activity of the fast-rotating G5 giant IN Comae, central star of the faint planetary nebula LoTr 5. ASTRONOMY & ASTROPHYSICS, 624. ISSN 0004-6361

Baker, Deborah and Van Driel, Lídia and Brooks, David H. and Valori, Gherardo and James, Alexander W. and Oláh, Katalin Ilona and Kővári, Zsolt (2019) Transient Inverse-FIP Plasma Composition Evolution within a Solar Flare. ASTROPHYSICAL JOURNAL, 875 (1). ISSN 1538-4357

Katsova, M.M. and Kitchatinov, L.L. and Moss, D. and Oláh, Katalin Ilona and Sokoloff, D.D. (2018) Superflares on Giant Stars. ASTRONOMY REPORTS, 62 (8). pp. 513-519. ISSN 1063-7729

Kővári, Zsolt and Strassmeier, K.G. and Carroll, T.A. and Oláh, Katalin Ilona and Kriskovics, Levente and Kővári, Emese and Kovács, Orsolya and Vida, Krisztián (2017) Antisolar differential rotation with surface lithium enrichment on the single K-giant V1192  Ori. ASTRONOMY & ASTROPHYSICS, 606. A42. ISSN 0004-6361

Kővári, Zsolt and Oláh, Katalin Ilona and Kriskovics, Levente and Vida, Krisztián and Forgácsné Dajka, Emese (2017) Rotation-differential rotation relationships for late-type single and binary stars from Doppler imaging. ASTRONOMISCHE NACHRICHTEN, 338 (8). pp. 903-909. ISSN 0004-6337

Pál, András and Mészáros, László and Jaskó, Attila and Mező, György and Csépány, Gergely and Vida, Krisztián and Oláh, Katalin Ilona (2016) A Hexapod Design for All-sky Sidereal Tracking. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 128 (962). ISSN 0004-6280

Vida, Krisztián and Kriskovics, Levente and Oláh, Katalin Ilona and Leitzinger, M. and Odert, P. and Kővári, Zsolt and Csák, Balázs and Kovács, József (2016) Investigating magnetic activity in very stable stellar magnetic fields Long-term photometric and spectroscopic study of the fully convective M4 dwarf V374 Pegasi. ASTRONOMY & ASTROPHYSICS, 590. ISSN 0004-6361

Oláh, Katalin Ilona and Kővári, Zsolt and Petrovay, Kristóf and Soon, W. and Baliunas, S. and Kolláth, Zoltán and Vida, Krisztián (2016) Magnetic cycles at different ages of stars. ASTRONOMY & ASTROPHYSICS, 590. ISSN 0004-6361

Boyajian, T. S. and LaCourse, D. M. and Rappaport, S. A. and Fabrycky, D. and Fischer, D. A. and Moór, Attila and Oláh, Katalin Ilona and Vida, Krisztián and Kovács, József and Kriskovics, Levente and Szabó M., Gyula and Szabó, Róbert (2016) Planet Hunters X. KIC 8462852 - Where's the Flux? MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 457 (4). pp. 3988-4004. ISSN 0035-8711

Kővári, Zsolt and Künstler, A. and Strassmeier, K. G. and Carroll, T. A. and Weber, M. and Kriskovics, Levente and Oláh, Katalin Ilona and Vida, Krisztián (2016) Time-series Doppler images and surface differential rotation of the effectively single, rapidly rotating K-giant KU Pegasi. ASTRONOMY & ASTROPHYSICS, 596. ISSN 0004-6361

Kővári, Zsolt and Kriskovics, Levente and Künstler, A. and Carroll, T. A. and Strassmeier, K. G. and Vida, Krisztián and Oláh, Katalin Ilona and Bartus, János (2015) Antisolar differential rotation of the K1-giant sigma Geminorum revisited. ASTRONOMY & ASTROPHYSICS, 573. ISSN 0004-6361

Vida, Krisztián and Korhonen, H. and Ilyin, I. V. and Oláh, Katalin Ilona and Andersen, M. I. (2015) Study of FK Comae Berenices: VII. Correlating photospheric and chromospheric activity. ASTRONOMY & ASTROPHYSICS, 580. ISSN 0004-6361

Kriskovics, Levente and Kővári, Zsolt and Vida, Krisztián and Granzer, T. and Oláh, Katalin Ilona (2014) Lithium enrichment on the single active K1-giant DI Piscium : Possible joint origin of differential rotation and Li enrichment. ASTRONOMY & ASTROPHYSICS, 571. ISSN 0004-6361

Vida, Krisztián and Oláh, Katalin Ilona and Szabó, Róbert (2014) Looking for activity cycles in late-type Kepler stars using time–frequency analysis. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 441. pp. 2744-2753. ISSN 0035-8711

Vida, Krisztián and Oláh, Katalin Ilona and Szabó, Róbert (2014) Looking for activity cycles in late-type Kepler stars using time–frequency analysis. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 441 (3). pp. 2744-2753. ISSN 0035-8711

Rappaport, S. and Swift, J. and Levine, A. and Joss, M. and Sanchis-Ojeda, R. and Barclay, T. and Still, M. and Handler, G. and Oláh, Katalin Ilona and Muirhead, P. S. and Huber, D. and Vida, Krisztián (2014) M-dwarf Rapid Rotators and the Detection of Relatively Young Multiple M-Star Systems. ASTROPHYSICAL JOURNAL, 788 (2). ISSN 1538-4357

Oláh, Katalin Ilona and Moór, Attila and Kővári, Zsolt and Granzer, T. and Strassmeier, K. G. and Kriskovics, Levente and Vida, Krisztián (2014) Magnitude-range brightness variations of overactive K giants. ASTRONOMY & ASTROPHYSICS, 572. ISSN 0004-6361

Kővári, Zsolt and Oláh, Katalin Ilona (2014) Observing Dynamos in Cool Stars. SPACE SCIENCE REVIEWS, 186 (1-4). pp. 457-489. ISSN 0038-6308

Vida, Krisztián and Pál, András and Mészáros, László and Csépány, Gergely and Jaskó, Attila and Mező, György and Oláh, Katalin Ilona (2014) The fly's eye project: Sidereal tracking on a hexapod mount. CONTRIBUTIONS OF THE ASTRONOMICAL OBSERVATORY SKALNATE PLESO, 43 (3). pp. 530-534. ISSN 1335-1842

Kriskovics, Levente and Vida, Krisztián and Kővári, Zsolt and Garcia-Alvarez, D. and Oláh, Katalin Ilona (2013) Doppler imaging of the double-lined active binary V824 Ara. ASTRONOMISCHE NACHRICHTEN, 334 (9). pp. 976-979. ISSN 0004-6337

Pál, András and Mészáros, László and Csépány, Gergely and Jaskó, Attila and Schlaffer, F. and Vida, Krisztián and Mező, György and Döbrentei, L. and Farkas, E. and Kiss, Csaba and Oláh, Katalin Ilona and Regály, Zsolt (2013) The Fly's Eye Camera System: An instrument design for large étendue time-domain survey. ASTRONOMISCHE NACHRICHTEN, 334 (9). pp. 932-935. ISSN 0004-6337

Oláh, Katalin Ilona and Moór, Attila and Strassmeier, K. G. and Borkovits, Tamás and Granzer, T. (2013) Long-term photometry of three active red giants in close binary systems: V2253 Oph, IT Com and IS Vir. ASTRONOMISCHE NACHRICHTEN, 334 (7). pp. 625-637. ISSN 0004-6337

Vida, Krisztián and Kriskovics, Levente and Oláh, Katalin Ilona and Korhonen, H. (2013) The Strange Close Binary V405 And: the Influence of Different Dynamos on the Components. CENTRAL EUROPEAN ASTROPHYSICAL BULLETIN, 37 (1). pp. 245-250. ISSN 1845-8319

Vida, Krisztián and Kriskovics, Levente and Oláh, Katalin Ilona (2013) A quest for activity cycles in low mass stars. ASTRONOMISCHE NACHRICHTEN, 334 (9). pp. 972-975. ISSN 0004-6337

Monograph

Jurcsik, Johanna and Kővári, Zsolt and Oláh, Katalin Ilona and Sódor, Ádám and Szeidl, Béla and Váradi, Mihály (2011) Pulzáló változócsillagok modulációs tulajdonságainak vizsgálata = Unresolved problems of the modulation properties of pulsating variable stars. Project Report. OTKA.

Oláh, Katalin Ilona and Forgácsné Dajka, Emese Zelmíra and Jurcsik, Johanna and Kővári, Zsolt and Szeidl, Béla and Van Driel Gesztelyi, Lídia and Váradi, Mihály (2009) A Nap és csillagdinamók éves időskálájú változásai = The yearly time-scale variability of the solar and stellar dynamos. Project Report. OTKA.

Van Driel Gesztelyi, Lídia and Kővári, Zsolt and Oláh, Katalin Ilona (2007) A Nap- és csillagaktivitás a fotoszférától a koronáig = Solar and stellar activity from the photosphere to the corona. Project Report. OTKA.

Jurcsik, Johanna and Benkő, József and Fűrész, Gábor and Kővári, Zsolt and Oláh, Katalin Ilona and Szeidl, Béla (2007) Csillagok emberi időskálán megfigyelhető ciklikus változásai = Stellar cycles observable on human time scale. Project Report. OTKA.