Search Results - "Lovekin, C. C"
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FINDING THE FIRST COSMIC EXPLOSIONS. I. PAIR-INSTABILITY SUPERNOVAE
Published in The Astrophysical journal (10-11-2013)“…The first stars are the key to the formation of primitive galaxies, early cosmological reionization and chemical enrichment, and the origin of supermassive…”
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The Effects of Metallicity on Convective Overshoot Behavior in Models of δ Scuti Variable Stars
Published in The Astrophysical journal (01-01-2022)“…Abstract δ Scuti variables are stars which exhibit periodic changes in their luminosity through radial and nonradial pulsations. Internally, these stars have…”
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3
Convection and Overshoot in Models of γ Doradus and δ Scuti Stars
Published in The Astrophysical journal (01-11-2017)“…We investigate the pulsation properties of stellar models that are representative of δ Scuti and γ Doradus variables. We have calculated a grid of stellar…”
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The first view of δ Scuti and γ Doradus stars with the TESS mission
Published in Monthly notices of the Royal Astronomical Society (11-12-2019)“…ABSTRACT We present the first asteroseismic results for δ Scuti and γ Doradus stars observed in Sectors 1 and 2 of the TESS mission. We utilize the 2-min…”
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TESS cycle 1 observations of roAp stars with 2-min cadence data
Published in Monthly notices of the Royal Astronomical Society (2021)“…ABSTRACT We present the results of a systematic search for new rapidly oscillating Ap (roAp) stars using the 2-min cadence data collected by the Transiting…”
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Magnetic OB[A] Stars with TESS: probing their Evolutionary and Rotational properties (MOBSTER) – I. First-light observations of known magnetic B and A stars
Published in Monthly notices of the Royal Astronomical Society (21-07-2019)“…Abstract In this paper we introduce the MOBSTER collaboration and lay out its scientific goals. We present first results based on the analysis of 19 previously…”
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Analysis of Eight Magnetic Chemically Peculiar Stars With Rotational Modulation
Published in Monthly notices of the Royal Astronomical Society (10-11-2022)“…Since the end of 2018, the Transiting Exoplanet Survey Satellite (TESS) has provided stellar photometry to the astronomical community. We have used TESS data…”
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Pulsations as a driver for LBV variability
Published in Monthly notices of the Royal Astronomical Society (01-12-2014)“…Among the most spectacular variable stars are the luminous blue variables (LBVs), which can show three types of variability. The LBV phase of evolution is…”
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TESS Cycle 2 observations of roAp stars with 2-min cadence data
Published in Monthly notices of the Royal Astronomical Society (01-02-2024)“…ABSTRACT We present the results of a systematic search of the Transiting Exoplanet Survey Satellite (TESS) 2-min cadence data for new rapidly oscillating Ap…”
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Rotational and pulsational variability in the TESS light curve of HD 27463
Published in Monthly notices of the Royal Astronomical Society (01-12-2019)“…ABSTRACT The new photometric data on pulsating Ap star HD 27463 obtained recently with the Transiting Exoplanet Survey Satellite (TESS) are analysed to search…”
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Mass-loss in 2D zero-age main-sequence stellar models
Published in Monthly notices of the Royal Astronomical Society (21-08-2011)“…A large number of massive stars are known to rotate rapidly, resulting in a significant distortion and variation in surface temperature from the pole to the…”
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Radial and Nonradial Oscillation Modes in Rapidly Rotating Stars
Published in The Astrophysical journal (01-06-2008)“…We use two-dimensional stellar models and a two-dimensional finite difference integration of the linearized pulsation equations to calculate nonradial…”
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ILLUMINATING THE PRIMEVAL UNIVERSE WITH TYPE IIn SUPERNOVAE
Published in The Astrophysical journal (10-05-2013)“…The detection of Population III (Pop III) supernovae (SNe) could directly probe the primordial initial mass function for the first time, unveiling the…”
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Challenges in 2D Stellar Modeling
Published in Frontiers in astronomy and space sciences (09-01-2020)“…Traditionally, stellar structure and evolution have been modeled with a series of concentric spherical shells. This description allows the star to be modeled…”
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Effects of Uniform and Differential Rotation on Stellar Pulsations
Published in The Astrophysical journal (01-03-2009)“…We have investigated the effects of uniform rotation and a specific model for differential rotation on the pulsation frequencies of 10 M stellar models…”
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Space Photometry with Brite-Constellation
Published in Universe (Basel) (01-06-2021)“…BRITE-Constellation is devoted to high-precision optical photometric monitoring of bright stars, distributed all over the Milky Way, in red and/or blue…”
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Surface Temperature and Synthetic Spectral Energy Distributions for Rotationally Deformed Stars
Published in The Astrophysical journal (20-05-2006)“…Extreme deformation of a stellar surface, such as that produced by rapid rotation, causes the surface temperature and gravity to vary significantly with…”
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Determination of Effective Temperatures and Luminosities for Rotating Stars
Published in The Astrophysical journal (10-08-2008)“…Spectral energy distributions for models of arbitrarily rotating stars are computed using two-dimensional rotating stellar models, NLTE plane- parallel model…”
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The Effects of Metallicity on Convective Overshoot Behaviour in Models of delta Scuti Variable Stars
Published 23-11-2021“…delta Scuti variables are stars which exhibit periodic changes in their luminosity through radial and non-radial pulsations. Internally, these stars have…”
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Space Photometry with BRITE-Constellation
Published 24-06-2021“…Universe 2021, 7, 199 BRITE-Constellation is devoted to high-precision optical photometric monitoring of bright stars, distributed all over the Milky Way, in…”
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