Search Results - "Lund, Mikkel"
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Bolometric corrections of stellar oscillation amplitudes as observed by the Kepler, CoRoT, and TESS missions
Published in Monthly notices of the Royal Astronomical Society (11-10-2019)“…A better understanding of the amplitudes of stellar oscillation modes and surface granulation is essential for improving theories of mode physics and the…”
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aims – a new tool for stellar parameter determinations using asteroseismic constraints
Published in Monthly notices of the Royal Astronomical Society (21-03-2019)“…A key aspect in the determination of stellar properties is the comparison of observational constraints with predictions from stellar models. Asteroseismic…”
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When Do Stalled Stars Resume Spinning Down? Advancing Gyrochronology with Ruprecht 147
Published in The Astrophysical journal (01-12-2020)“…Recent measurements of rotation periods ( ) in the benchmark open clusters Praesepe (670 Myr), NGC 6811 (1 Gyr), and NGC 752 (1.4 Gyr) demonstrate that, after…”
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Helium abundance in a sample of cool stars: measurements from asteroseismology
Published in Monthly notices of the Royal Astronomical Society (11-03-2019)Get full text
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Standing on the Shoulders of Dwarfs: the Kepler Asteroseismic LEGACY Sample. I. Oscillation Mode Parameters
Published in The Astrophysical journal (01-02-2017)“…The advent of space-based missions like Kepler has revolutionized the study of solar-type stars, particularly through the measurement and modeling of their…”
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Seismic Measurement of the Locations of the Base of Convection Zone and Helium Ionization Zone for Stars in the Kepler Seismic LEGACY Sample
Published in The Astrophysical journal (01-03-2017)“…Acoustic glitches are regions inside a star where the sound speed or its derivatives change abruptly. These leave a small characteristic oscillatory signature…”
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Standing on the Shoulders of Dwarfs: the Kepler Asteroseismic LEGACY Sample. II. Radii, Masses, and Ages
Published in The Astrophysical journal (01-02-2017)“…We use asteroseismic data from the Kepler satellite to determine fundamental stellar properties of the 66 main-sequence targets observed for at least one full…”
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The Evolution of Rotation and Magnetic Activity in 94 Aqr Aa from Asteroseismology with TESS
Published in The Astrophysical journal (01-09-2020)“…Most previous efforts to calibrate how rotation and magnetic activity depend on stellar age and mass have relied on observations of clusters, where isochrones…”
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The Influence of Metallicity on Stellar Differential Rotation and Magnetic Activity
Published in The Astrophysical journal (01-01-2018)“…Observations of Sun-like stars over the past half-century have improved our understanding of how magnetic dynamos, like that responsible for the 11 yr solar…”
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The odd bunch: chrono-chemo-dynamics of sixteen unusual stars from Kepler
Published in Monthly notices of the Royal Astronomical Society (23-05-2023)“…ABSTRACT In this study we combine asteroseismic, spectroscopic, and kinematic information to perform a detailed analysis of a sample of 16 stars from the…”
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That's How We Roll: The NASA K2 Mission Science Products and Their Performance Metrics
Published in Publications of the Astronomical Society of the Pacific (01-07-2016)“…NASA's exoplanet Discovery mission Kepler was reconstituted as the K2 mission a year after the failure of the second of Kepler's four reaction wheels in 2013…”
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DIFFERENTIAL ROTATION IN MAIN-SEQUENCE SOLAR-LIKE STARS: QUALITATIVE INFERENCE FROM ASTEROSEISMIC DATA
Published in The Astrophysical journal (01-08-2014)“…Understanding differential rotation of Sun-like stars is of great importance for insight into the angular momentum transport in these stars. One means of…”
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Scaling relations of convective granulation noise across the HR diagram from 3D stellar atmosphere models
Published in Monthly notices of the Royal Astronomical Society (14-06-2022)“…ABSTRACT High-precision photometric data from space missions have improved our understanding of stellar granulation. These observations have shown with…”
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Mixed Modes and Asteroseismic Surface Effects. II. Subgiant Systematics
Published in The Astrophysical journal (01-11-2021)“…Models of solar-like oscillators yield acoustic modes at different frequencies than would be seen in actual stars possessing identical interior structure, due…”
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The subgiant HR 7322 as an asteroseismic benchmark star
Published in Monthly notices of the Royal Astronomical Society (11-10-2019)“…We present an in-depth analysis of the bright subgiant HR 7322 (KIC 10005473) using Kepler short-cadence photometry, optical interferometry from CHARA,…”
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TESS Asteroseismology of the Known Red-giant Host Stars HD 212771 and HD 203949
Published in The Astrophysical journal (01-11-2019)“…The Transiting Exoplanet Survey Satellite (TESS) is performing a near all-sky survey for planets that transit bright stars. In addition, its excellent…”
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Data preparation for asteroseismology with TESS
Published in EPJ Web of conferences (01-01-2017)“…The Transiting Exoplanet Survey Satellite (TESS) is a NASA Astrophysics Explorer mission. Following its scheduled launch in 2017, TESS will focus on detecting…”
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Journal Article Conference Proceeding -
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Weakened magnetic braking supported by asteroseismic rotation rates of Kepler dwarfs
Published in Nature astronomy (01-07-2021)“…Studies using asteroseismic ages and rotation rates from star-spot rotation have indicated that standard age–rotation relations may break down roughly half way…”
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KOI-3890: a high-mass-ratio asteroseismic red giant+M-dwarf eclipsing binary undergoing heartbeat tidal interactions
Published in Monthly notices of the Royal Astronomical Society (21-07-2019)“…KOI-3890 is a highly eccentric, 153-d period eclipsing, single-lined spectroscopic binary system containing a red giant star showing solar-like oscillations…”
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Three low-mass companions around aged stars discovered by TESS
Published in Monthly notices of the Royal Astronomical Society (22-06-2023)“…ABSTRACT We report the discovery of three transiting low-mass companions to aged stars: a brown dwarf (TOI-2336b) and two objects near the hydrogen burning…”
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