Search Results - "Feigelson, Eric D."
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X-Ray Superflares from Pre-main-sequence Stars: Flare Energetics and Frequency
Published in The Astrophysical journal (01-07-2021)“…Abstract Solar-type stars exhibit their highest levels of magnetic activity during their early convective pre-main-sequence (PMS) phase of evolution. The most…”
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Magnetic Activity–Rotation–Age–Mass Relations in Late-pre-main-sequence Stars
Published in The Astrophysical journal (01-07-2023)“…Abstract We study the four-dimensional relationships between magnetic activity, rotation, mass, and age for solar-type stars in the age range 5–25 Myr. This is…”
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CORE-HALO AGE GRADIENTS AND STAR FORMATION IN THE ORION NEBULA AND NGC 2024 YOUNG STELLAR CLUSTERS
Published in The Astrophysical journal (01-06-2014)“…We analyze age distributions of two nearby rich stellar clusters, the NGC 2024 (Flame Nebula) and Orion Nebula cluster (ONC) in the Orion molecular cloud…”
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An Evenly Spaced LSST Cadence for Rapidly Variable Stars
Published in The Astrophysical journal. Supplement series (01-09-2023)“…Abstract Stars exhibit a bewildering variety of rapidly variable behaviors ranging from explosive magnetic flares to stochastically changing accretion to…”
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X-Ray Superflares from Pre-main-sequence Stars: Flare Modeling
Published in The Astrophysical journal (01-10-2021)“…Abstract Getman et al. report the discovery, energetics, frequencies, and effects on environs of >1000 X-ray superflares with X-ray energies E X ∼ 10 34 –10 38…”
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THE SPATIAL STRUCTURE OF YOUNG STELLAR CLUSTERS. I. SUBCLUSTERS
Published in The Astrophysical journal (01-06-2014)“…The clusters of young stars in massive star-forming regions show a wide range of sizes, morphologies, and numbers of stars. Their highly subclustered…”
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DIAmante TESS AutoRegressive Planet Search (DTARPS). III. Understanding the DTARPS-S Candidate Transiting Planet Catalogs
Published in The Astronomical journal (01-12-2024)“…Abstract The DIAmante Transiting Exoplanet Sky Survey (TESS) AutoRegressive Planet Search (DTARPS) project, using novel statistical methods, has identified…”
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DIAmante TESS AutoRegressive Planet Search (DTARPS). I. Analysis of 0.9 Million Light Curves
Published in The Astronomical journal (01-05-2024)“…Abstract Nearly one million light curves from the TESS Year 1 southern hemisphere extracted from Full Field Images with the DIAmante pipeline are processed…”
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A Study of Two Periodogram Algorithms for Improving the Detection of Small Transiting Planets
Published in Astrophysical journal. Letters (01-12-2023)“…Abstract The sensitivities of two periodograms are compared for weak signal planet detection in transit surveys: the widely used Box Least Squares (BLS)…”
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AGE GRADIENTS IN THE STELLAR POPULATIONS OF MASSIVE STAR FORMING REGIONS BASED ON A NEW STELLAR CHRONOMETER
Published in The Astrophysical journal (01-06-2014)“…A major impediment to understanding star formation in massive star-forming regions (MSFRs) is the absence of a reliable stellar chronometer to unravel their…”
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DIAmante TESS AutoRegressive Planet Search (DTARPS). II. Hundreds of New TESS Candidate Exoplanets
Published in The Astronomical journal (01-05-2024)“…Abstract The DIAmante TESS AutoRegressive Planet Search for the southern ecliptic hemisphere (DTARPS-S) project seeks to identify photometric transiting…”
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THE SPATIAL STRUCTURE OF YOUNG STELLAR CLUSTERS. III. PHYSICAL PROPERTIES AND EVOLUTIONARY STATES
Published in The Astrophysical journal (20-10-2015)“…ABSTRACT We analyze the physical properties of stellar clusters that are detected in massive star-forming regions in the MYStIX project-a comparative,…”
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XUE: Molecular Inventory in the Inner Region of an Extremely Irradiated Protoplanetary Disk
Published in Astrophysical journal. Letters (01-12-2023)“…Abstract We present the first results of the eXtreme UV Environments (XUE) James Webb Space Telescope (JWST) program, which focuses on the characterization of…”
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HIGH-ENERGY PROCESSES IN YOUNG STELLAR OBJECTS
Published in Annual review of astronomy and astrophysics (01-01-1999)“…Observational studies of low-mass stars during their early stages of evolution, from protostars through the zero-age main sequence, show highly elevated levels…”
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X-ray insights into star and planet formation
Published in Proceedings of the National Academy of Sciences - PNAS (20-04-2010)“…Although stars and planets form in cold environments, X-rays are produced in abundance by young stars. This review examines the implications of stellar X-rays…”
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X-Ray Flares in Orion Young Stars. II. Flares, Magnetospheres, and Protoplanetary Disks
Published in The Astrophysical journal (20-11-2008)“…We study the properties of powerful X-ray flares from 161 pre-main- sequence (PMS) stars observed with the Chandra X-ray Observatory in the Orion Nebula…”
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Kinematics in Young Star Clusters and Associations with Gaia DR2
Published in The Astrophysical journal (01-01-2019)“…The Gaia mission has opened a new window into the internal kinematics of young star clusters at the sub-km s−1 level, with implications for our understanding…”
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The Diverse Stellar Populations of the W3 Star-forming Complex
Published in The Astrophysical journal (20-01-2008)“…An similar to 800 arcmin super(2) mosaic image of the W3 star-forming complex obtained with the Chandra X-Ray Observatory gives a valuable new view of the…”
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Magnetic Flaring in the Pre-Main-Sequence Sun and Implications for the Early Solar System
Published in The Astrophysical journal (10-06-2002)Get full text
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Big data in astronomy
Published in Significance (Oxford, England) (01-08-2012)“…Astronomy has been one of the first areas of science to embrace and learn from big data. Eric D. Feigelson and G. Jogesh Babu tell of the efforts, the…”
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