Search Results - "Stassun, K. G"
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THE INITIAL MASS FUNCTION OF THE ORION NEBULA CLUSTER ACROSS THE H-BURNING LIMIT
Published in The Astrophysical journal (20-03-2012)“…We present a new census of the Orion Nebula Cluster over a large field of view ([> ~]30' x 30'), significantly increasing the known population of stellar and…”
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THE ASTEROSEISMIC POTENTIAL OF TESS: EXOPLANET-HOST STARS
Published in The Astrophysical journal (20-10-2016)“…ABSTRACT New insights on stellar evolution and stellar interior physics are being made possible by asteroseismology. Throughout the course of the Kepler…”
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A Multi-color Optical Survey of the Orion Nebula Cluster. II. The H-R Diagram
Published in The Astrophysical journal (20-10-2010)“…We present a new analysis of the stellar population of the Orion Nebula Cluster (ONC) based on multi-band optical photometry and spectroscopy. We study the…”
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K2 Ultracool Dwarfs Survey – V. High superflare rates on rapidly rotating late-M dwarfs
Published in Monthly notices of the Royal Astronomical Society (11-06-2019)“…Abstract We observed strong superflares (defined as flares with energy in excess of 1033 erg) on three late-M dwarfs: 2MASS J08315742+2042213 (hereafter…”
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Solar Flares and Coronal Mass Ejections: A Statistically Determined Flare Flux – CME Mass Correlation
Published in Solar physics (01-01-2011)“…In an effort to examine the relationship between flare flux and corresponding CME mass, we temporally and spatially correlate all X-ray flares and CMEs in the…”
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CONSTRAINTS ON THE ORIGIN OF THE FIRST LIGHT FROM SN 2014J
Published in The Astrophysical journal (20-01-2015)“…We study the very early light curve of supernova 2014J (SN 2014J) using the high-cadence broad-band imaging data obtained by the Kilodegree Extremely Little…”
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Young Stellar Objects, Accretion Disks, and Their Variability with Rubin Observatory LSST
Published in The Astrophysical journal. Supplement series (01-03-2023)“…Abstract Vera C. Rubin Observatory, through the Legacy Survey of Space and Time (LSST), will allow us to derive a panchromatic view of variability in young…”
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The High-order Multiplicity of Unusually Wide M Dwarf Binaries: Eleven New Triple and Quadruple Systems
Published in The Astrophysical journal (10-09-2010)“…M dwarfs in extremely wide-binary systems are very rare, and may thus have different formation processes from those found as single stars or close binaries in…”
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YSOVAR: SIX PRE-MAIN-SEQUENCE ECLIPSING BINARIES IN THE ORION NEBULA CLUSTER
Published in The Astrophysical journal (10-07-2012)“…Eclipsing binaries (EBs) provide critical laboratories for empirically testing predictions of theoretical models of stellar structure and evolution…”
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DISCOVERY OF BRIGHT GALACTIC R CORONAE BOREALIS AND DY PERSEI VARIABLES: RARE GEMS MINED FROM ACVS
Published in The Astrophysical journal (20-08-2012)“…We present the results of a machine-learning (ML)-based search for new R Coronae Borealis (RCB) stars and DY Persei-like stars (DYPers) in the Galaxy using…”
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Discovery of Par 1802 as a Low-Mass, Pre-Main-Sequence Eclipsing Binary in the Orion Star-Forming Region
Published in The Astrophysical journal (10-02-2008)“…We report the discovery of a pre-main-sequence (PMS), low-mass, double-lined, spectroscopic, eclipsing binary in the Orion star-forming region. We present our…”
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A DISK-BASED DYNAMICAL MASS ESTIMATE FOR THE YOUNG BINARY AK SCO
Published in The Astrophysical journal (20-06-2015)“…ABSTRACT We present spatially and spectrally resolved Atacama Large Millimeter/submillimeter Array (ALMA) observations of gas and dust in the disk orbiting the…”
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StarHorse: a Bayesian tool for determining stellar masses, ages, distances, and extinctions for field stars
Published in Monthly notices of the Royal Astronomical Society (11-05-2018)“…Abstract Understanding the formation and evolution of our Galaxy requires accurate distances, ages, and chemistry for large populations of field stars. Here,…”
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Detection of Strong Activity in the Eclipsing Binary Brown Dwarf 2MASS J05352184–0546085: A Possible Explanation for the Temperature Reversal
Published in The Astrophysical journal (20-12-2007)“…We show high-resolution spectra of the eclipsing brown dwarf binary 2MASS J05352184-0546085 taken at the two opposite radial velocity maxima. Comparisons of…”
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A DISK-BASED DYNAMICAL CONSTRAINT ON THE MASS OF THE YOUNG BINARY DQ TAU
Published in The Astrophysical journal (20-02-2016)“…ABSTRACT We present new Atacama Large Millimeter/Submillimeter Array (ALMA) observations of CO J = 2−1 line emission from the DQ Tau circumbinary disk. These…”
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THE K2-ESPRINT PROJECT. I. DISCOVERY OF THE DISINTEGRATING ROCKY PLANET K2-22b WITH A COMETARY HEAD AND LEADING TAIL
Published in The Astrophysical journal (20-10-2015)“…ABSTRACT We present the discovery of a transiting exoplanet candidate in the K2 Field-1 with an orbital period of 9.1457 hr: K2-22b. The highly variable…”
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HUBBLE SPACE TELESCOPE MEASURES OF MASS ACCRETION RATES IN THE ORION NEBULA CLUSTER
Published in The Astrophysical journal (20-08-2012)“…The present observational understanding of the evolution of the mass accretion rates (M sub(acc)) in pre-main-sequence stars is limited by the lack of accurate…”
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Planet Hunters TESS I: TOI 813, a subgiant hosting a transiting Saturn-sized planet on an 84-day orbit
Published in Monthly notices of the Royal Astronomical Society (01-05-2020)“…ABSTRACT We report on the discovery and validation of TOI 813 b (TIC 55525572 b), a transiting exoplanet identified by citizen scientists in data from NASA’s…”
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MOBSTER – III. HD 62658: a magnetic Bp star in an eclipsing binary with a non-magnetic ‘identical twin’
Published in Monthly notices of the Royal Astronomical Society (11-12-2019)“…ABSTRACT HD 62658 (B9p V) is a little-studied chemically peculiar star. Light curves obtained by the Kilodegree Extremely Little Telescope (KELT) and…”
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Angular momentum evolution of low-mass pre-main sequence stars via extreme coronal mass ejections
Published in Astronomische Nachrichten (01-02-2013)“…The angular momentum evolution of cool stars during the pre‐main sequence phase of stellar evolution remains a major outstanding problem. Multiple processes…”
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