Search Results - "Mamajek, E. E."
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The kinematics of the Scorpius-Centaurus OB association from Gaia DR1
Published in Monthly notices of the Royal Astronomical Society (01-05-2018)“…Abstract We present a kinematic study of the Scorpius-Centaurus (Sco-Cen) OB association (Sco OB2) using Gaia DR1 parallaxes and proper motions. Our goal is to…”
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2
On the Age of the TRAPPIST-1 System
Published in The Astrophysical journal (20-08-2017)“…The nearby (d = 12 pc) M8 dwarf star TRAPPIST-1 (2MASS J23062928−0502285) hosts a compact system of at least seven exoplanets with sizes similar to Earth…”
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THE DISK POPULATION OF THE UPPER SCORPIUS ASSOCIATION
Published in The Astrophysical journal (10-10-2012)“…We present photometry at 3-24 mu m for all known members of the Upper Scorpius association ([tau] ~ 11 Myr) based on all images of these objects obtained with…”
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A Moving Cluster Distance to the Exoplanet 2M1207b in the TW Hydrae Association
Published in The Astrophysical journal (01-12-2005)“…A candidate extrasolar planet companion to the young brown dwarf 2MASSW J1207334-393254 (hereafter 2M1207) was recently discovered by Chauvin et al. They find…”
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The Disk Population of the Chamaeleon I Star-forming Region
Published in The Astrophysical journal (10-03-2008)“…We present a census of circumstellar disks in the Chamaeleon I star- forming region. Using the Infrared Array Camera and the Multiband Imaging Photometer on…”
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Volans-Carina: A New 90 Myr Old Stellar Association at 85 pc
Published in The Astrophysical journal (01-10-2018)“…We present a characterization of the new Volans-Carina Association (VCA) of stars near the Galactic plane (b −10°) at a distance of 75-100 pc, previously…”
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A WISE SURVEY OF CIRCUMSTELLAR DISKS IN TAURUS
Published in The Astrophysical journal (01-04-2014)“…We have compiled photometry at 3.4, 4.6, 12, and 22 [mu]m from the all-sky survey performed by the Wide-field Infrared Survey Explorer (WISE) for all known…”
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An Infrared/X-Ray Survey for New Members of the Taurus Star-Forming Region
Published in The Astrophysical journal (20-09-2009)“…We present the results of a search for new members of the Taurus star-forming region using data from the Spitzer Space Telescope and the XMM-Newton…”
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The Young Suns Exoplanet Survey: Detection of a wide-orbit planetary-mass companion to a solar-type Sco-Cen member
Published in Monthly notices of the Royal Astronomical Society (01-02-2020)“…ABSTRACT The Young Suns Exoplanet Survey consists of a homogeneous sample of 70 young, solar-mass stars located in the Lower Centaurus-Crux subgroup of the…”
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10
Detection of [Ne II] Emission from Young Circumstellar Disks
Published in The Astrophysical journal (01-07-2007)“…We report the detection of [Ne II] emission at 12.81 mu m in four out of the six optically thick dust disks observed as part of the FEPS Spitzer Legacy…”
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Mass and period limits on the ringed companion transiting the young star J1407
Published in Monthly notices of the Royal Astronomical Society (01-01-2015)“…The young (∼16 Myr) pre-main-sequence star in Sco–Cen 1SWASP J140747.93−394542.6, hereafter referred to as J1407, underwent a deep eclipse in 2007 April,…”
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12
Are inner disc misalignments common? ALMA reveals an isotropic outer disc inclination distribution for young dipper stars
Published in Monthly notices of the Royal Astronomical Society (01-02-2020)“…ABSTRACT Dippers are a common class of young variable star exhibiting day-long dimmings with depths of up to several tens of per cent. A standard explanation…”
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13
A KINE-CHEMICAL INVESTIGATION OF THE AB DOR MOVING GROUP “STREAM”
Published in The Astrophysical journal (20-03-2013)“…The AB Dor Moving Group consists of a "nucleus" of ~10 stars at d [Asymptotically = to] 20 pc, along with dozens of purported "stream" members distributed…”
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14
Evidence for Mass-dependent Circumstellar Disk Evolution in the 5 Myr Old Upper Scorpius OB Association
Published in The Astrophysical journal (01-11-2006)“…We present 4.5, 8, and 16 km photometry from the Spitzer Space Telescope for 204 stars in the Upper Scorpius OB association. The data are used to investigate…”
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15
Doppler Constraints on Planetary Companions to Nearby Sun-like Stars: An Archival Radial Velocity Survey of Southern Targets for Proposed NASA Direct Imaging Missions
Published in The Astronomical journal (01-04-2023)“…Abstract Directly imaging temperate rocky planets orbiting nearby, Sun-like stars with a 6 m class IR/O/UV space telescope, recently dubbed the Habitable…”
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Evolution of Mid-Infrared Excess around Sun-like Stars: Constraints on Models of Terrestrial Planet Formation
Published in The Astrophysical journal (01-02-2008)“…We report observations from the Spitzer Space Telescope regarding the frequency of 24 mu m excess emission toward Sun-like stars. Our unbiased sample is…”
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Using Photometrically Derived Properties of Young Stars to Refine TESS’s Transiting Young Planet Survey Completeness
Published in The Astronomical journal (01-10-2023)“…Abstract The demographics of young exoplanets can shed light on their formation and evolution processes. Exoplanet properties are derived from the properties…”
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Simulations for Planning Next-generation Exoplanet Radial Velocity Surveys
Published in The Astronomical journal (01-04-2023)“…Abstract Future direct imaging missions similar to the HabEx and LUVOIR mission concepts aim to catalog and characterize Earth-mass analogs around nearby…”
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The Planet Formation Potential around a 45 Myr Old Accreting M Dwarf
Published in The Astrophysical journal (10-02-2019)“…Debris disk detections around M dwarfs are rare, and so far no gas emission has been detected from an M dwarf debris disk. This makes the 45 Myr old M dwarf…”
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Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics
Published in The Astrophysical journal (10-11-2008)Get full text
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