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Hans Kjeldsen

0000-0002-9037-0018
astro-ph.SRastro-ph.EPastro-phastro-ph.IMastro-ph.GAcatalogsplanetary systemsPlanetsplanets and satellites: detectionstars: statistics

On Valency

published · living versions
W_3nwmnjub·v1 · currentpublished
A 20-Second Cadence View of Solar-Type Stars and Their Planets with TESS: Asteroseismology of Solar Analogs and a Re-characterization of pi Men c
with Daniel Huber, Timothy R. White, Travis S. Metcalfe, Ashley Chontos +48
1 version
W_t9gkdtdw·v1published
Asteroseismic modelling of the subgiant μ Herculis using SONG data: lifting the degeneracy between age and model input parameters
W_mp27h5rs·v1published
An ancient extrasolar system with five sub-Earth-size planets
W_9evfarev·v1published
Masses, Radii, and Orbits of Small Kepler Planets: The Transition from Gaseous to Rocky Planets
W_u2zgq48s·v1published
Planetary Candidates Observed by Kepler, III: Analysis of the First 16 Months of Data
W_kb3x8n5g·v1published
Kepler-22b: A 2.4 Earth-radius Planet in the Habitable Zone of a Sun-like Star
W_3fzjrqz7·v1published
Transit Timing Observations from Kepler: VI. Transit Timing Variation Candidates in the First Seventeen Months from Polynomial Models
W_e7ec7gtp·v1published
Kepler Mission Design, Realized Photometric Performance, and Early Science
W_v7jquasw·v1published
TESS observations of Cepheid stars: first light results
W_s4wzd39r·v1published
First results on RR Lyrae stars with the TESS space telescope: untangling the connections between mode content, colors and distances

Preprints & journals

263 papers in the corpus · 1994–2026
Calibration of the [C/N] and [Y/Mg] chemical clocks with asteroseismic ages from the TESS space mission2602.21413v1 · E. Pakstienė, G. Tautvaisienė, V. Bagdonas et al.2026 · 1 citationA&A 708, A250 (2026)
A Test of Substellar Evolutionary Models with High-Precision Ages from Asteroseismology and Gyrochronology for the Benchmark System HR 7672AB2512.06083v2 · Yaguang Li, Michael C. Liu, Trent J. Dupuy et al.2025 · 3 citationsarXiv
Asteroseismic investigation of HD 140283: The Methuselah star2510.11532v1 · M. S. Lundkvist, J. R. Larsen, Y. Li et al.2025 · 7 citationsarXiv
Glitch analysis and asteroseismic modelling of subgiant μ\mu Herculis: confirming and interpreting the Γ1\Gamma_1 peak as the helium glitch2509.01577v2 · Advik Gupta, Kuldeep Verma, Hans Kjeldsen et al.2025 · 1 citationMon Not R Astron Soc (2025) 3428-3443
Granulation signatures in 3D hydrodynamical simulations: evaluating background model performance using a Bayesian nested sampling framework2507.11699v1 · Jens R. Larsen, Mia S. Lundkvist, Guy R. Davies et al.2025 · 2 citationsA&A 701, A92 (2025)
Asteroseismology of the G8 subgiant beta Aquilae with SONG-Tenerife, SONG-Australia and TESS2506.00493v5 · Hans Kjeldsen, Timothy R. Bedding, Yaguang Li et al.2025 · 5 citationsA&A 700, A39 (2025)
Pushing the boundaries of asteroseismic individual frequency modelling: unveiling two evolved very-low metallicity red giants2503.23063v1 · Jens R. Larsen, Jakob L. R\orsted, Victor Aguirre B\orsen-Koch et al.2025 · 7 citationsA&A 697, A153 (2025)
K-dwarf Radius Inflation and a 10-Gyr Spin-down Clock Unveiled through Asteroseismology of HD 219134 from the Keck Planet Finder2502.00971v2 · Yaguang Li, Daniel Huber, J. M. Joel Ong et al.2025 · 15 citationsarXiv
Realising efficient computation of individual frequencies for red-giant models2408.16382v1 · Jens R. Larsen, J\orgen Christensen-Dalsgaard, Mia S. Lundkvist et al.2024 · 2 citationsA&A 690, A394 (2024)
Asteroseismology of the Nearby K-Dwarf σ\sigma Draconis using the Keck Planet Finder and TESS2407.21234v2 · Marc Hon, Daniel Huber, Yaguang Li et al.2024 · 16 citationsarXiv
The PLATO Mission2406.05447v2 · Heike Rauer, Conny Aerts, Juan Cabrera et al.2024 · 13 citationsarXiv
Expanding the frontiers of cool-dwarf asteroseismology with ESPRESSO. Detection of solar-like oscillations in the K5 dwarf ϵ\epsilon Indi2403.16333v1 · T. L. Campante, H. Kjeldsen, Y. Li et al.2024 · 18 citationsA&A, 683, L16 (2024)
Low-amplitude solar-like oscillations in the K5 V star ε\varepsilon Indi A2403.04509v1 · Mia S. Lundkvist, Hans Kjeldsen, Timothy R. Bedding et al.2024 · 0 citationsarXiv
Asteroseismology and Spectropolarimetry of the Exoplanet Host Star λ\lambda Serpentis2308.09808v1 · Travis S. Metcalfe, Derek Buzasi, Daniel Huber et al.2023 · 18 citationsAstron. J. 166, 167 (2023)
Unresolved Rossby and gravity modes in 214 A and F stars showing rotational modulation2306.16766v1 · Andreea I. Henriksen, Victoria Antoci, Hideyuki Saio et al.2023 · 10 citationsarXiv
Solar-like oscillations in γ\gamma Cephei A as seen through SONG and TESS2306.09769v1 · E. Knudstrup, M. N. Lund, M. Fredslund Andersen et al.2023 · 6 citationsA&A 675, A197 (2023)
Dealing with large gaps in asteroseismic time series2303.15584v1 · Timothy R. Bedding, Hans Kjeldsen2023 · 8 citationsarXiv
Rotational modulation in A and F stars: Magnetic stellar spots or convective core rotation?2301.04974v1 · Andreea I. Henriksen, Victoria Antoci, Hideyuki Saio et al.2023 · 13 citationsarXiv
TESS observations of the Pleiades cluster: a nursery for delta Scuti stars2212.12087v6 · Timothy R. Bedding, Simon J. Murphy, Courtney Crawford et al.2022 · 37 citationsarXiv
A prescription for the asteroseismic surface correction2208.01176v3 · Yaguang Li, Timothy R. Bedding, Dennis Stello et al.2022 · 39 citationsarXiv
Chemical Composition Of Bright Stars In The Northern Hemisphere: Star-Planet Connection2202.10102v1 · G. Tautvaisienė, S. Mikolaitis, A. Drazdauskas et al.2022 · 20 citationsarXiv
No swan song for Sun-as-a-star helioseismology: performances of the Solar-SONG prototype for individual mode characterisation2110.12698v1 · S.N. Breton, P.L. Pall'e, R.A. Garc'ia et al.2021 · 9 citationsA&A 658, A27 (2022)
First results on RR Lyrae stars with the TESS space telescope: untangling the connections between mode content, colors and distances2109.07329v1 · L'aszl'o Moln'ar, Attila B'odi, Andr'as P'al et al.2021 · 42 citationsarXivon Valency
A 20-Second Cadence View of Solar-Type Stars and Their Planets with TESS: Asteroseismology of Solar Analogs and a Re-characterization of pi Men c2108.09109v2 · Daniel Huber, Timothy R. White, Travis S. Metcalfe et al.2021 · 67 citationsarXivon Valency
The TESS Objects of Interest Catalog from the TESS Prime Mission2103.12538v2 · Natalia M. Guerrero, S. Seager, Chelsea X. Huang et al.2021 · 413 citationsarXiv
TESS Asteroseismology of α\alpha Mensae: Benchmark Ages for a G7 Dwarf and its M-dwarf Companion2012.10797v2 · Ashley Chontos, Daniel Huber, Travis A. Berger et al.2020 · 29 citationsarXiv
HIRES, the high-resolution spectrograph for the ELT2011.12317v1 · Alessandro Marconi, Manuel Abreu, Vardan Adibekyan et al.2020 · 23 citationsarXiv
Chemical Composition of Bright Stars in the Continuous Viewing Zone of the TESS Space Mission2005.07526v1 · G. Tautvaisienė, S. Mikolaitis, A. Drazdauskas et al.2020 · 21 citationsThe Astrophysical Journal Supplement Series, 248:19 (11pp), 2020 May
Very regular high-frequency pulsation modes in young intermediate-mass stars.32405022 · Bedding, Timothy R, Murphy, Simon J, Hey, Daniel R et al.2020 · 120 citationsNature. 2020;581(7807):147-151
HST/STIS transmission spectrum of the ultra-hot Jupiter WASP-76 b confirms the presence of sodium in its atmosphere2003.06424v2 · C. von Essen, M. Mallonn, S. Hermansen et al.2020 · 29 citationsA&A 637, A76 (2020)
High-resolution Spectroscopic Study of Dwarf Stars in the Northern Sky: Lithium, Carbon, and Oxygen Abundances2002.05555v1 · Edita Stonkutė, Yuriy Chorniy, Grazina Tautvaisienė et al.2020 · 33 citationsThe Astronomical Journal, Volume 159, Number 3, 2020
Detection and characterisation of oscillating red giants: first results from the TESS satellite1912.07604v2 · V'ictor Silva Aguirre, Dennis Stello, Amalie Stokholm et al.2019 · 52 citationsarXiv
TESS first look at evolved compact pulsators : Discovery and asteroseismic probing of the g-mode hot B subdwarf pulsator EC 21494-70181910.04234v2 · S. Charpinet, P. Brassard, G. Fontaine et al.2019 · 37 citationsA&A 632, A90 (2019)
Chronos --- Taking the pulse of our Galactic neighbourhood (ESA Voyage 2050 White Paper)1908.10977v2 · Eric Michel, K'evin Belkacem, Benoit Mosser et al.2019 · 2 citationsarXiv
Oscillations in the Sun with SONG: Setting the scale for asteroseismic investigations1902.10717v1 · M. Fredslund Andersen, P. Pall'e, J. Jessen-Hansen et al.2019 · 21 citationsA&A 623, L9 (2019)
A giant impact as the likely origin of different twins in the Kepler-107 exoplanet system1902.01316v1 · Aldo S. Bonomo, Li Zeng, Mario Damasso et al.2019 · 118 citationsNature Astronomy 02/2019
The Asteroseismic Target List (ATL) for solar-like oscillators observed in 2-minute cadence with the Transiting Exoplanet Survey Satellite (TESS)1901.10148v1 · M. Schofield, W. J. Chaplin, D. Huber et al.2019 · 73 citationsarXiv
Hardware and software for a robotic network of telescopes - SONG1901.08300v1 · M. F. Andersen, F. Grundahl, J. Christensen-Dalsgaard et al.2019 · 9 citationsRevista Mexicana de Astronomia y Astrofisica Serie de Conferencias, Vol 45, 2014
A Hot Saturn Orbiting An Oscillating Late Subgiant Discovered by TESS1901.01643v2 · Daniel Huber, William J. Chaplin, Ashley Chontos et al.2019 · 113 citationsarXiv
Asteroseismic modelling of the subgiant {\mu} Herculis using SONG data: lifting the degeneracy between age and model input parameters1810.13015v1 · Tanda Li, Timothy R. Bedding, Hans Kjeldsen et al.2018 · 22 citationsarXivon Valency
Surface gravities for 15,000 Kepler stars measured from stellar granulation and validated with Gaia DR2 parallaxes1807.03624v2 · Durlabh Pande, Timothy R. Bedding, Daniel Huber et al.2018 · 23 citationsarXiv
Surface correction of main sequence solar-like oscillators with the KeplerKepler LEGACY sample1806.10137v1 · D. L. Compton, T. R. Bedding, W. H. Ball et al.2018 · 21 citationsarXiv
The mass and age of the first SONG target: the red giant 46 LMi1806.02095v1 · S. Frandsen, M. Fredslund Andersen, K. Brogaard et al.2018 · 9 citationsA&A, 613, A53, 2018
CUBESPEC: Low-cost space-based astronomical spectroscopy1805.11848v2 · Gert Raskin, Tjorven Delabie, Wim De Munter et al.2018 · 7 citationsarXiv
PLANETARY CANDIDATES OBSERVED BY Kepler. VIII. A FULLY AUTOMATED CATALOG WITH MEASURED COMPLETENESS AND RELIABILITY BASED ON DATA RELEASE 25.32908325 · Thompson, Susan E, Coughlin, Jeffrey L, Hoffman, Kelsey et al.2023 · 430 citationsThe Astrophysical journal. Supplement series. 2018;235(2)
An asteroseismic view of the radius valley: stripped cores, not born rocky1710.05398v2 · Vincent Van Eylen, Camilla Agentoft, Mia. S. Lundkvist et al.2017 · 517 citationsarXiv
Asteroseismic masses of retired planet-hosting A-stars using SONG1708.09613v1 · D. Stello, D. Huber, F. Grundahl et al.2017 · 33 citationsarXiv
PLATO as it is: a legacy mission for Galactic archaeology1706.03778v2 · A. Miglio, C. Chiappini, B. Mosser et al.2017 · 105 citationsarXiv
Convective-core overshoot and suppression of oscillations: Constraints from red giants in NGC68111703.01097v1 · T. Arentoft, K. Brogaard, J. Jessen-Hansen et al.2017 · 28 citationsarXiv
First Results From The Hertzsprung Song Telescope: Asteroseismology Of The G5 Subgiant Star {\Mu}Her1701.03365v1 · F. Grundahl, M. Fredslund Andersen, J. Christensen-Dalsgaard et al.2017 · 101 citationsarXiv
Career total: 483 works. 263 are in this corpus.Showing the 50 most recent.

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