VA
V. Adibekyan
astro-ph.EPastro-ph.SRastro-ph.GAastro-ph.IMastro-ph.COPlanetsStars, Celestialastro-ph.HECorrelationscs.DL
On Valency
published · living versionsW_kxbebmtq·v1 · currentpublished
An extremely low-density and temperate giant exoplanet
with A. Santerne, L. Malavolta, M. R. Kosiarek, F. Dai +66
1 version
W_ynufkxb8·v1published
W_mp27h5rs·v1published
Preprints & journals
264 papers in the corpus · 2009–2026EPRV Asteroseismology of the K dwarfs GJ 570 A and GJ 783 A with ESPRESSO. Empirical mode-amplitude scaling in tension with 3D convection simulations2610.20985v1 · T. L. Campante, Y. Zhou, Y. Li et al.2026 · 0 citationsarXiv
Searching 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
Two extremely irradiated volatile-rich sub-Neptunes with companions in the TOI-426 and TOI-1839 systems: Insights into arrival and survival near the lower edge of the Neptunian desert2609.05413v2 · A. Castro-Gonz'alez, O. Barrag'an, D. J. Armstrong et al.2026 · 0 citationsarXiv
Supernovae Ia ejecta velocities and host galaxy environments: the role of survey-selection effects2608.21603v2 · L. V. Barkhudaryan, A. A. Hakobyan, M. H. Gevorgyan et al.2026 · 0 citationsarXiv
Active galactic nucleus activity in nearby disk galaxies: The roles of bar strength and spiral arm morphology2608.09320v2 · Zh. R. Martirosyan, A. A. Hakobyan, V. Adibekyan et al.2026 · 0 citationsarXiv
Predicting Radial Velocities from Rossiter-McLaughlin Time Series Observations2607.29232v1 · Vardan Adibekyan, Olivier Demangeon, Diogo Teixeira et al.2026 · 0 citationsarXiv
The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities2605.27002v1 · M. J. Hobson, B. Lavie, F. Bouchy et al.2026 · 0 citationsarXiv
Inferring stellar metallicity and elemental abundances from kinematic and spectroscopic data using machine learning -- Implications for exoplanet host stars2605.18131v1 · V. Adibekyan, B.M.T.B. Soares, S.G.Sousa 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
Gas-depleted planet formation occurred in the four-planet system around the red dwarf LHS 1903.41678587 · Wilson, Thomas G, Simpson, Anna M, Collier Cameron, Andrew et al.2026 · 1 citationScience (New York, N.Y.). 2026;392(6795):eadl2348
The PLATO Input Catalogue of targets (tPIC) for the first Long Pointing Field2604.03369v2 · M. Montalto, G. Piotto, P. M. Marrese et al.2026 · 1 citationarXiv
Reinforcing Prestige: Journal Citation Biases in Astronomy2603.25349v1 · Vardan Adibekyan, Olivier Demangeon, Tiago Campante et al.2026 · 0 citationsarXiv
TILARA: Template-Independent Line-by-line Algorithm for Radial velocity Analysis. I. Description of the code and application on a Sun-like star2603.05445v1 · C. San Nicolas Martinez, N. C. Santos, V. Adibekyan et al.2026 · 2 citationsA&A 708, A317 (2026)
Revisiting the exoplanet radius valley with host stars from SWEET-Cat2601.12396v1 · Juma Kamulali, Vardan Adibekyan, Benard Nsamba et al.2026 · 0 citationsarXiv
Calcium versus silicon ejecta velocities and decline rates in supernovae Ia: The role of high-velocity features2511.23305v2 · A. A. Hakobyan, M. H. Gevorgyan, A. G. Karapetyan et al.2025 · 1 citationMon Not R Astron Soc (2025)
Metallicity regulates planet formation across all masses2510.21863v1 · Max Nguyen, Vardan Adibekyan2025 · 1 citationarXiv
TOI-283 b: A transiting mini-Neptune in a 17.6-day orbit discovered with TESS and ESPRESSO2510.15084v1 · F. Murgas, E. Pall'e, A. Su'arez Mascareno et al.2025 · 1 citationarXiv
ATREIDES I. Embarking on a trek across the exo-Neptunian landscape with the TOI-421 system2509.15746v1 · V. Bourrier, M. Steiner, A. Castro-Gonz'alez et al.2025 · 9 citationsA&A, 701, A190 (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
TOI-2322: two transiting rocky planets close to the stellar rotation period and its first harmonic2508.18094v1 · M. J. Hobson, A. Su'arez Mascareno, C. Lovis et al.2025 · 3 citationsA&A 702, A32 (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)
A comprehensive study on radial velocity signals using ESPRESSO: Pushing precision to the 10 cm/s level2507.07514v1 · P. Figueira, J. P. Faria, A. M. Silva et al.2025 · 13 citationsarXiv
The TOI-1117 Multi-planetary System: 3 sub-Neptunes, 1 in both the Neptunian Desert and Radius Valley2506.05521v1 · Isobel S. Lockley, David J. Armstrong, Jorge Fern'andez Fern'andez et al.2025 · 0 citationsarXiv
PoET: the Paranal solar ESPRESSO Telescope2505.08540v1 · Nuno C. Santos, Alexandre Cabral, Ines Leite et al.2025 · 3 citations2025, The Messenger 194, 21-25
Two neighbours of the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna2504.20999v2 · A. Castro-Gonz'alez, F. Bouchy, A. C. M. Correia et al.2025 · 6 citationsA&A 699, A344 (2025)
TOI-512: Super-Earth transiting a K-type star discovered by TESS and ESPRESSO2502.14472v1 · J. Rodrigues, S.C. Barros, N.C. Santos et al.2025 · 3 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)
MAISTEP -- a new grid-based machine learning tool for inferring stellar parameters I. Ages of giant-planet host stars2502.02176v1 · Juma Kamulali, Benard Nsamba, Vardan Adibekyan et al.2025 · 4 citationsA&A 695, A57 (2025)
KOBE-1: The first planetary system from the KOBE survey. Two planets likely residing in the sub-Neptune mass regime around a late K-dwarf2502.01249v2 · O. Balsalobre-Ruza, J. Lillo-Box, A. M. Silva et al.2025 · 7 citationsA&A, A15, 694 (2025)
Revisiting the multi-planetary system of the nearby star HD 20794: Confirmation of a low-mass planet in the habitable zone of a nearby G-dwarf2501.17092v1 · N. Nari, X. Dumusque, N. C. Hara et al.2025 · 12 citationsA&A; Volume 693; A297; 2025
The NCORES Program: Precise planetary masses, null results, and insight into the planet mass distribution near the radius gap2501.14355v2 · David J. Armstrong, Ares Osborn, Remo Burn et al.2025 · 0 citationsarXiv
Where in the Milky Way Do Exoplanets Preferentially Form?2501.11660v1 · Joana Teixeira, Vardan Adibekyan, Diego Bossini2025 · 3 citationsAstronomische Nachrichten, e20240076, (2025)
On the formation of super-Jupiters: Core Accretion or Gravitational Instability?2412.06594v1 · M. Nguyen, V. Adibekyan2024 · 2 citationsarXiv
Radii, masses, and transit-timing variations of the three-planet system orbiting the naked-eye star TOI-3962411.14911v2 · A. Bonfanti, I. Amateis, D. Gandolfi et al.2024 · 7 citationsA&A 693, A90 (2025)
Assessing the processes behind planet engulfment and its imprints2411.13455v1 · B. M. T. B. Soares, V. Adibekyan, C. Mordasini et al.2024 · 10 citationsA&A 693, A47 (2025)
Linking the primordial composition of planet building disks to the present-day composition of rocky exoplanets2410.17984v1 · V. Adibekyan, M. Deal, C. Dorn et al.2024 · 14 citationsA&A 692, A67 (2024)
Architecture of TOI-561 planetary system2410.18169v3 · G. Piotto, T. Zingales, L. Borsato et al.2024 · 4 citationsarXiv
A sub-Earth-mass planet orbiting Barnard's star2410.00569v1 · J.I. Gonzalez Hernandez, A. Suarez Mascareno, A.M. Silva et al.2024 · 28 citationsA&A, 690, A79 (2024)
TOI-5005 b: A super-Neptune in the savanna near the ridge2409.18129v2 · A. Castro-Gonz'alez, J. Lillo-Box, D. J. Armstrong et al.2024 · 36 citationsA&A 691, A233 (2024)
ESPRESSO reveals blueshifted neutral iron emission lines on the dayside of WASP-76 b2409.13519v1 · A. R. Costa Silva, O. D. S. Demangeon, N. C. Santos et al.2024 · 13 citationsAstronomy & Astrophysics, 689, A8, 15 (2024)
SWEET-Cat: A view on the planetary mass-radius relation2409.11965v1 · S.G. Sousa, V. Adibekyan, E. Delgado-Mena et al.2024 · 9 citationsA&A 691, A53 (2024)
ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments2407.14601v1 · A. Marconi, M. Abreu, V. Adibekyan et al.2024 · 19 citationsarXiv
Surviving in the Hot Neptune Desert: The Discovery of the Ultra-Hot Neptune TOI-3261b2407.04225v1 · Emma Nabbie, Chelsea X. Huang, Jennifer A. Burt et al.2024 · 16 citationsarXiv
Discovery of a cold giant planet and mass measurement of a hot super-Earth in the multi-planetary system WASP-1322406.15986v2 · N. Grieves, F. Bouchy, D. J. Armstrong et al.2024 · 7 citationsA&A 693, A144 (2025)
Ariel stellar characterisation II. Chemical abundances of carbon, nitrogen, and oxygen for 181 planet-host FGK dwarf stars2406.12393v1 · R. da Silva, C. Danielski, E. Delgado Mena et al.2024 · 12 citationsA&A 688, A193 (2024)
TOI-2374 b and TOI-3071 b: two metal-rich sub-Saturns well within the Neptunian desert2406.12996v1 · Alejandro Hacker, Rodrigo F. D'iaz, David J. Armstrong et al.2024 · 12 citationsarXiv
Three super-Earths and a possible water world from TESS and ESPRESSO2406.06278v1 · M. J. Hobson, F. Bouchy, B. Lavie et al.2024 · 17 citationsA&A 688, A216 (2024)
The PLATO Mission2406.05447v2 · Heike Rauer, Conny Aerts, Juan Cabrera et al.2024 · 13 citationsarXiv
A low-mass sub-Neptune planet transiting the bright active star HD 733442405.17155v1 · S. Sulis, I.J.M. Crossfield, A. Santerne et al.2024 · 5 citationsarXiv
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