JJ
J. Janík
astro-ph.SRastro-ph.EPastro-ph.IMastro-ph.GAastro-ph.HEastro-ph
On Valency
published · living versionsW_yjca5qhy·v1 · currentpublished
A comprehensive reanalysis of HD 99458. Not a magnetic Ap star but an oscillating Algol with ongoing mass transfer
with E. Semenko, Z. Mikulášek, D. Mkrtichian, P. Walczak +19
1 version
W_ta9dbd8x·v1published
Preprints & journals
53 papers in the corpus · 2007–2026A comprehensive reanalysis of HD 99458. Not a magnetic Ap star but an oscillating Algol with ongoing mass transfer2610.32406v1 · E. Semenko, Z. Mikul'asek, D. Mkrtichian et al.2026 · 0 citationsarXivon Valency
Traversing the Galactic Centre in space and time2606.24706v3 · Michal Zajacek, Bożena Czerny, Martin Mondek et al.2026 · 0 citationsNature Astronomy, Published online: 07 September 2026
A distant brown dwarf coplanar to a warm Jupiter and a hot super-Earth.42310114 · Jones, Matías I, Naponiello, Luca, Trifonov, Trifon et al.2026 · 1 citationNature. 2026;654(8119):614-618
PLATOSpec's first results: Three new transiting warm Jupiters from the WINE survey TIC 147027702, TIC 245076932 and TIC 874220712602.20654v1 · Pavol Gajdos, Rafael Brahm, Lorena Acuna-Aguirre et al.2026 · 0 citationsA&A 708, A189 (2026)
TIC65910228b: A single-transit discovery of a massive long-period warm Jupiter with TESS2602.13125v1 · Felipe I. Rojas, Rafael Brahm, Mat'ias I. Jones et al.2026 · 0 citationsarXiv
Unraveling the Brown Dwarf Desert: Four New Discoveries and a Unifying, Period-Coded Picture2602.02836v1 · J'an Subjak, Rafael Brahm, Jozef Lipt'ak et al.2026 · 1 citationA&A 709, A130 (2026)
Flares and superflares on the southern active binary CC Eri2511.07036v1 · M. Leitzinger, P. Odert, R. Greimel et al.2025 · 1 citationarXiv
PLATOSpec: a precise spectrograph in support of space missions2510.11961v1 · P. Kab'ath, M. Skarka, A. Hatzes et al.2025 · 2 citationsMon Not R Astron Soc (2025)
Hidden massive eclipsing binaries in red supergiant systems: The hierarchical triple system KQ Puppis and other candidates2509.25168v5 · D. Jadlovsk'y, L. Moln'ar, A. Ercolino et al.2025 · 1 citationarXiv
Two Earth-size Planets and an Earth-size Candidate Transiting the Nearby Star HD 1015812412.08863v1 · Michelle Kunimoto, Zifan Lin, Sarah Millholland et al.2024 · 3 citationsarXiv
Spectroscopic observations of flares and superflares on AU Mic2412.09113v1 · P. Odert, M. Leitzinger, R. Greimel et al.2024 · 8 citationsMNRAS (2025) 537, 537-579
HD 34736: An intensely magnetised double-lined spectroscopic binary with rapidly-rotating chemically peculiar B-type components2411.05376v1 · E. Semenko, O. Kochukhov, Z. Mikul'asek et al.2024 · 3 citationsarXiv
Apsidal motion and TESS light curves of three southern close eccentric eclipsing binaries: GM Nor, V397 Pup, and PT Vel2408.06910v1 · M. Wolf, P. Zasche, J. K'ara et al.2024 · 5 citationsarXiv
BD-14 3065b (TOI-4987b): from giant planet to brown dwarf: evidence for deuterium burning in old age?2403.12311v2 · J'an Subjak, David W. Latham, Samuel N. Quinn et al.2024 · 3 citationsA&A 688, A120 (2024)
The nature of medium-period variables on the extreme horizontal branch I. X-shooter study of variable stars in the globular cluster Cen2401.10626v1 · J. Krticka, I. Krtickova, C. Moni Bidin et al.2024 · 0 citationsarXiv
Hot subdwarf wind models with accurate abundances II. Helium-dominated merger products CD-46 8926 and CD-51 118792401.04288v1 · J. Krticka, I. Krtickova, J. Janik et al.2024 · 0 citationsarXiv
Gaia21bty: An EXor lightcurve exhibiting an FUor spectrum2307.08802v1 · MichałSiwak, Lynne A. Hillenbrand, 'Agnes K'osp'al et al.2023 · 13 citationsarXiv
Science with a small two-band UV-photometry mission II: Observations of stars and stellar systems2306.15081v2 · J. Krticka, J. Ben'acek, J. Budaj et al.2023 · 10 citationsarXiv
EPIC 206197016: A very hot white dwarf orbited by a strongly irradiated red dwarf2305.05270v1 · J. Krticka, A. Kawka, Z. Mikulasek et al.2023 · 1 citationA&A 674, A94 (2023)
HD 60431, the CP2 star with the shortest rotational period -- Physical parameters and period analysis2209.12207v1 · Z. Mikulasek, E. Semenko, E. Paunzen et al.2022 · 9 citationsA&A 668, A159 (2022)
Per aspera ad astra simul: Through difficulties to the stars together2208.08134v1 · David Jones, Petr Kabath, Jorge Garcia-Rojas et al.2022 · 0 citationsarXiv
Quick Ultra-VIolet Kilonova surveyor (QUVIK)2207.05485v1 · N. Werner, J. R'ipa, F. Munz et al.2022 · 4 citationsarXiv
Host galaxy magnitude of OJ 287 from its colours at minimum light2205.15589v1 · Mauri J. Valtonen, Lankeswar Dey, S. Zola et al.2022 · 5 citationsarXiv
A Survey of Novae in M832110.00676v1 · A. W. Shafter, K. Hornoch, J. Ben'acek et al.2021 · 4 citationsarXiv
The magnetic system SMSS J1606-1000 as a period bouncer2107.13141v1 · Adela Kawka, Stephane Vennes, Lilia Ferrario et al.2021 · 9 citationsarXiv
First apsidal motion and light curve analysis of 162 eccentric eclipsing binaries from LMC2008.08362v2 · P. Zasche, M. Wolf, H. Kuc'akov'a et al.2020 · 10 citations2020A&A...640A..33Z
Rotational modulation and single g-mode pulsation in the B9pSi star HD174356?2008.02833v1 · Z. Mikulasek, E. Paunzen, S. Huemmerich et al.2020 · 5 citationsarXiv
Understanding the rotational variability of K2 targets. HgMn star KIC 250152017 and blue horizontal branch star KIC 2496603662005.12358v1 · J. Krticka, A. Kawka, Z. Mikulasek et al.2020 · 6 citationsA&A 639, A8 (2020)
Towards comprehension of the variability of the magnetic chemically peculiar star CU Virginis (HD 124224)1912.12072v1 · Zdenek Mikul'asek, Jir'i Krticka, Andrzej Pigulski et al.2019 · 0 citations2019ASPC..518..125M
What is New with Landstreet Star HD 37776 (V901 Ori)?1912.04121v1 · Zdenek Mikul'asek, Jir'i Krticka, Matthew E. Shultz et al.2019 · 2 citationsPTA Proceedings 2020on Valency
Hot subdwarf wind models with accurate abundances I. Hydrogen dominated stars HD 49798 and BD+18$^\circ\,$26471909.12631v1 · J. Krticka, J. Janik, I. Krtickova et al.2019 · 12 citationsA&A 631, A75 (2019)
Study of Eclipsing Binary and Multiple Systems in OB Associations V: MQ Cen in Crux OB11906.01913v1 · V. Bakis, Z. Mikulasek, J. Janik et al.2019 · 2 citationsarXiv
An overview of the properties of a sample of newly-identified magnetic chemically peculiar stars in the Kepler field1903.05226v1 · Zdenek Mikul'asek, Ernst Paunzen, Stefan Hummerich et al.2019 · 1 citationarXiv
Search for stellar spots in field blue horizontal-branch stars1812.07543v1 · E. Paunzen, K. Bernhard, S. Huemmerich et al.2018 · 9 citationsA&A 622, A77 (2019)
Search for young transiting exoplanets within YETI project1811.06993v1 · P. Zieli'nski, J. Jan'ik, R. Neuhauser et al.2018 · 0 citations2018pas7.conf..118Z
TYC 3637-1152-1 - a High Amplitude delta Scuti star with peculiar pulsational properties1811.05219v1 · Ernst Paunzen, Klaus Bernhard, Moriz Frauenberger et al.2018 · 2 citationsarXiv
The Kepler view of magnetic chemically peculiar stars1808.05669v1 · Stefan Hummerich, Zdenek Mikul'asek, Ernst Paunzen et al.2018 · 47 citationsarXiv
The search for roAp stars: null results and new candidates from Stroemgren-Crawford photometry1805.11819v1 · E. Paunzen, G. Handler, K. Honkova et al.2018 · 7 citationsarXiv
CzeV - The Czech Variable Star Catalogue1709.08851v1 · Marek Skarka, Martin Masek, Lubos Br'at et al.2017 · 9 citations2017OEJV..185....1S
New inclination changing eclipsing binaries in the Magellanic Clouds1709.08087v1 · J. Jurysek, P. Zasche, M. Wolf et al.2017 · 16 citationsA&A 609, A46 (2018)
Stochastic modeling of multiwavelength variability of the classical BL Lac object OJ 287 on timescales ranging from decades to hours1709.04457v2 · A. Goyal, L. Stawarz, S. Zola et al.2017 · 80 citationsarXiv
On the nature of rotational period variability of magnetic stars1702.02195v1 · Zdenek Mikulasek, Jiri Krticka, Jan Janik et al.2017 · 5 citationsarXiv
Fine detrending of raw Kepler and MOST photometric data of KIC 6950556 and HD 376331604.01301v1 · Zdenek Mikulasek, Ernst Paunzen, Miloslav Zejda et al.2016 · 2 citationsarXiv
Time-dependent spectral-feature variations of stars displaying the B[e] phenomenon III. HD 501381512.02506v1 · T. Jer'abkov'a, D. Korc'akov'a, A. Miroshnichenko et al.2015 · 17 citationsA&A 586, A116 (2016)
Lambda Bootis stars in the SuperWASP survey1507.05559v1 · E. Paunzen, M. Skarka, P. Walczak et al.2015 · 8 citationsarXiv
Kwee-van Woerden method: To use or not to use?1311.0207v1 · Zdenek Mikul'asek, Marek Chrastina, Miloslav Zejda et al.2013 · 4 citationsarXiv
Ap stars with variable periods1310.6640v1 · Zdenek Mikul'asek, Jir'i Krticka, Jan Jan'ik et al.2013 · 2 citationsarXiv
Ultraviolet and visual flux and line variations of one of the least variable Bp stars HD 647401306.2458v1 · J. Krticka, J. Janik, H. Markova et al.2013 · 28 citationsarXiv
Surprising variations in the rotation of the chemically peculiar stars CU Virginis and V901 Orionis1110.1104v1 · Zdenek Mikulasek, Jiri Krticka, Gregory W. Henry et al.2011 · 45 citationsA&A 534, L5 (2011)
Magnetic Chemically Peculiar Stars with Unsteady Periods1106.4258v1 · Zdenek Mikulasek, Jiri Krticka, Jan Janik et al.2011 · 1 citationarXiv
Career total: at least 141 works. 53 are in this corpus.Showing the 50 most recent.
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