KG
K. Gazeas
astro-ph.EPastro-ph.SRastro-ph.HEastro-phastro-ph.GAastro-ph.IMastro-ph.COgr-qcphysics.data-anphysics.space-ph
On Valency
published · living versionsW_v7jquasw·v1 · currentpublished
TESS observations of Cepheid stars: first light results
with E. Plachy, A. Pál, A. Bódi, P. Szabó +31
1 version
Preprints & journals
86 papers in the corpus · 2003–2026Searching for hot water world candidates with CHEOPS: II. A low-density super-Earth orbiting the K dwarf TOI-22112610.08922v1 · J. A. Egger, P. Cort'es-Zuleta, D. Kubyshkina et al.2026 · 0 citationsarXiv
CoBiToM project. III. Physical characterisation of the potential merger candidates AL Lep, ASAS J082243+1927.0, and ZZ PsA2608.28051v1 · Sofia Palafouta, Kosmas D. Gazeas, Pasi Hakala et al.2026 · 0 citationsAstronomy & Astrophysics, 713, A271 (2026)
CHEOPS photometry from 2024 reveals a reversal in the transit-timing variations of AU Mic c2608.01120v1 · Z. Garai, Gy. M. Szab'o, D. Gandolfi et al.2026 · 0 citationsarXiv
Size, shape, density, and atmospheric limit of (50000) Quaoar revealed from 14 years of stellar occultation2607.06450v1 · Giuliano Margoti, Felipe Braga-Ribas, Jos'e Luis Ortiz et al.2026 · 0 citationsarXiv
An Ultra-Short Period Super-Earth and a Sub-Neptune Orbiting the K dwarf TOI-43112605.12324v1 · Yoshi Nike Emilia Eschen, Thomas G. Wilson, Andrew Collier Cameron et al.2026 · 0 citationsarXiv
Detection of optical quasi-periodic oscillation in the blazar 3C 454.32604.27503v1 · Karan Dogra, Alok C. Gupta, C. M. Raiteri et al.2026 · 0 citationsarXiv
The multi-planet system TOI-5624: Four transiting sub-Neptunes with an outer companion revealed by transit-timing variations2604.15035v2 · A. Bonfanti, D. Gandolfi, P. Leonardi et al.2026 · 1 citationA&A 709, A265 (2026)
HARPS-N, TESS, and CHEOPS discover a transiting sub-Neptune and two outer companions around the bright solar analogue HD 854262511.08473v1 · F. Lienhard, A. Mortier, A. Collier Cameron et al.2025 · 2 citationsarXiv
An Ultra-Short Period Super-Earth and Sub-Neptune Spanning the Radius Valley Orbiting the Kinematic Thick Disk Star TOI-23452510.12783v1 · Yoshi Nike Emilia Eschen, Thomas G. Wilson, Andrea Bonfanti et al.2025 · 0 citationsarXiv
A high geometric albedo and small size of the Haumea cluster member (24835) 1995 SM55 from a stellar occultation and photometric observations2509.15384v1 · J. L. Ortiz, N. Morales, B. Sicardy et al.2025 · 0 citationsA&A 703, A147 (2025)
Transit Timing Variations in HIP 41378: CHEOPS and TESS confirm a non-transiting sixth planet in the system2509.14156v3 · P. Leonardi, L. Borsato, L. Pagliaro et al.2025 · 3 citationsA&A 702, A211 (2025)
A four-planet system orbiting the old thick disk star TOI-12032509.10136v1 · D. Gandolfi, A. Alnajjarine, L. M. Serrano et al.2025 · 1 citationarXiv
Improved characterization of the TOI-2141 system: a dense sub-Neptune with non-transiting inner and outer companions2509.00762v1 · R. Luque, K. W. F. Lam, J. Cabrera et al.2025 · 0 citationsA&A 704, A174 (2025)
The CHEOPS view of HD 95338b: refined transit parameters, and a search for exomoons2507.15318v1 · Sz. K'alm'an, A. E. Simon, A. Deline et al.2025 · 1 citationA&A 701, A240 (2025)
The KELT-7b atmospheric thermal-inversion conundrum revisited with CHEOPS, TESS, and additional data2506.20432v1 · Z. Garai, A. Krenn, P.E. Cubillos et al.2025 · 2 citationsarXiv
Dark skies of the slightly eccentric WASP-18 b from its optical-to-infrared dayside emission2505.01544v2 · A. Deline, P. E. Cubillos, L. Carone et al.2025 · 9 citationsA&A 699, A150 (2025)
Is the Symbiotic Recurrent Nova T CrB Late? Recent Photometric Evolution and Comparison with Past Pre-Outburst Behaviour2504.20592v2 · Jaroslav Merc, \Lukasz Wyrzykowski, Paul G. Beck et al.2025 · 12 citationsarXiv
Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b2502.07887v1 · J. A. Egger, D. Kubyshkina, Y. Alibert et al.2025 · 6 citationsA&A 696, A28 (2025)
Transit-timing variations in the AU Mic system observed with CHEOPS2501.13575v1 · 'A. Boldog, Gy. M. Szab'o, L. Kriskovics et al.2025 · 6 citationsarXiv
Multiband Optical Variability of the Blazar 3C 454.3 on Diverse Timescales2412.10766v1 · Karan Dogra, Alok C. Gupta, C. M. Raiteri et al.2024 · 4 citationsApJS(2025) 276:1
CHEOPS observations confirm nodal precession in the WASP-33 system2412.08557v1 · A. M. S. Smith, Sz. Csizmadia, V. Van Grootel et al.2024 · 2 citationsA&A 2025 693 A128
A joint effort to discover and characterize two resonant mini Neptunes around TOI-1803 with TESS, HARPS-N and CHEOPS2412.05423v1 · T. Zingales, L. Malavolta, L. Borsato et al.2024 · 3 citationsA&A 695, A273 (2025)
In-situ observations of resident space objects with the CHEOPS space telescope2411.18326v1 · Nicolas Billot, Stephan Hellmich, Willy Benz et al.2024 · 3 citationsJournal of Space Safety Engineering, Volume 11, Issue 3, September 2024, Pages 498-506
A possible misaligned orbit for the young planet AU Mic c2411.16958v2 · H. Yu, Z. Garai, M. Cretignier et al.2024 · 13 citationsarXiv
A close outer companion to the ultra-hot Jupiter TOI-2109 b?2411.07797v1 · J.-V. Harre, A. M. S. Smith, S. C. C. Barros et al.2024 · 10 citationsA&A 692, A254 (2024)
A wiggling filamentary jet at the origin of the blazar multi-wavelength behaviour2410.22319v1 · C.M. Raiteri, M. Villata, M.I. Carnerero et al.2024 · 16 citationsA&A 692 (2024) A48
Architecture of TOI-561 planetary system2410.18169v3 · G. Piotto, T. Zingales, L. Borsato et al.2024 · 4 citationsarXiv
The CHEOPS view on the climate of WASP-3 b2409.16268v1 · G. Scandariato, L. Carone, P. E. Cubillos et al.2024 · 3 citationsA&A 692, A129 (2024)
Spin states of X-complex asteroids in the inner main belt -- I. Investigating the Athor and Zita collisional families2409.03419v1 · D. Athanasopoulos, J. Hanus, C. Avdellidou et al.2024 · 6 citationsA&A 690, A215 (2024)
The K2-24 planetary system revisited by CHEOPS2409.02995v3 · V. Nascimbeni, L. Borsato, P. Leonardi et al.2024 · 5 citationsA&A 690, A349 (2024)
TOI-757 b: an eccentric transiting mini-Neptune on a 17.5-d orbit2407.20525v1 · A. Alqasim, N. Grieves, N. M. Ros'ario et al.2024 · 3 citationsarXiv
The mass of the white dwarf in YY Dra (=DO Dra): Dynamical measurement and comparative study with X-ray estimates2407.17562v1 · Ayoze 'Alvarez-Hern'andez, Manuel A. P. Torres, Tariq Shahbaz et al.2024 · 3 citationsarXiv
Characterisation of the Warm-Jupiter TOI-1130 system with CHEOPS and photo-dynamical approach2407.06097v1 · L. Borsato, D. Degen, A. Leleu et al.2024 · 16 citationsA&A 689, A52 (2024)
Unveiling the internal structure and formation history of the three planets transiting HIP 29442 (TOI-469) with CHEOPS2406.18653v1 · J. A. Egger, H. P. Osborn, D. Kubyshkina et al.2024 · 26 citationsA&A 688, A223 (2024)
HIP 41378 observed by CHEOPS: Where is planet d?2405.20077v1 · S. Sulis, L. Borsato, S. Grouffal et al.2024 · 4 citationsA&A 686, L18 (2024)
Photo-dynamical characterisation of the TOI-178 resonant chain2405.13732v1 · A. Leleu, J.-B. Delisle, L. Delrez et al.2024 · 10 citationsA&A 688, A211 (2024)
Extreme photometric and polarimetric variability of blazar S4 0954+65 at its maximum optical and -ray brightness levels2310.11108v1 · C. M. Raiteri, M. Villata, M. I. Carnerero et al.2023 · 11 citationsarXiv
Multi-year characterisation of the broad-band emission from the intermittent extreme BL Lac 1ES~2344+5142310.03922v1 · H. Abe, S. Abe, V. A. Acciari et al.2023 · 14 citationsA&A 682, A114 (2024)
A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS measured from stellar occultations2308.08062v2 · F. L. Rommel, F. Braga-Ribas, J. L. Ortiz et al.2023 · 24 citationsA&A 678, A167 (2023)
Dynamical mass of the white dwarf in XY Ari: a test for intermediate polar X-ray spectral models2304.08524v2 · A. 'Alvarez-Hern'andez, M. A. P. Torres, P. Rodr'iguez-Gil et al.2023 · 4 citationsarXiv
Asteroid spin-states of a 4 Gyr collisional family2210.02096v1 · D. Athanasopoulos, J. Hanus, C. Avdellidou et al.2022 · 9 citationsarXiv
Multi-messenger characterization of Mrk 501 during historically low X-ray and -ray activity2210.02547v3 · H. Abe, S. Abe, V. A. Acciari et al.2022 · 32 citationsApJS 266 37 (2023)
Eccentric orbits and apsidal motion in the eclipsing binaries EK Cep and HS Her2207.09838v1 · Olivera Latkovi'c, Kosmas Gazeas, Haralambi Markov et al.2022 · 2 citationsMonthly Notices of the Royal Astronomical Society, 2022, Volume 514, Issue 4, pp. 5813-5826
Rapid X-ray Variability in Mkn 421 during a Multiwavelength Campaign2206.03874v1 · Alex G. Markowitz, Krzysztof Nalewajko, Gopal Bhatta et al.2022 · 13 citationsMonthly Notices of the Royal Astronomical Society, 2022, Volume 513, Issue 2, pp.1662-1679
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
Physical properties of the trans-Neptunian object (38628) Huya from a multi-chord stellar occultation2205.12882v3 · P. Santos-Sanz, J.L. Ortiz, B. Sicardy et al.2022 · 18 citationsA&A 664, A130 (2022)
Constraints on the structure and seasonal variations of Triton's atmosphere from the 5 October 2017 stellar occultation and previous observations2201.10450v1 · J. Marques Oliveira, B. Sicardy, A. R. Gomes-J'unior et al.2022 · 21 citationsA&A 659, A136 (2022)
CoBiToM Project -- II: Evolution of contact binary systems close to the orbital period cut-off2112.06631v1 · G. A. Loukaidou, K. D. Gazeas, S. Palafouta et al.2021 · 21 citationsarXiv
The intermediate polar cataclysmic variable GK Persei 120 years after the nova explosion: a first dynamical mass study2107.06932v2 · A. 'Alvarez-Hern'andez, M. A. P. Torres, P. Rodr'iguez-Gil et al.2021 · 20 citationsarXiv
CoBiToM Project -- I. Contact Binaries Towards Merging2102.04759v1 · K. D. Gazeas, G. A. Loukaidou, P. G. Niarchos et al.2021 · 32 citationsarXiv
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