Search Results - "David, Trevor J."

The Influence of Age on the Relative Frequency of Super-Earths and Sub-Neptunes by Sandoval, Angeli, Contardo, Gabriella, David, Trevor J.

“…Abstract There is growing evidence that the population of close-in planets discovered by the Kepler mission was sculpted by atmospheric loss, though the…”
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WASP-69b’s Escaping Envelope Is Confined to a Tail Extending at Least 7 Rp by Tyler, Dakotah, Petigura, Erik A., Oklopčić, Antonija, David, Trevor J.

“…Studying the escaping atmospheres of highly irradiated exoplanets is critical for understanding the physical mechanisms that shape the demographics of close-in…”
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A Continuum of Accretion Burst Behavior in Young Stars Observed by K2 by Cody, Ann Marie, Hillenbrand, Lynne A., David, Trevor J., Carpenter, John M., Everett, Mark E., Howell, Steve B.

“…We present 29 likely members of the young Oph or Upper Sco regions of recent star formation that exhibit "accretion burst" type light curves in K2 time series…”
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Further Evidence of Modified Spin-down in Sun-like Stars: Pileups in the Temperature–Period Distribution by David, Trevor J., Angus, Ruth, Curtis, Jason L., van Saders, Jennifer L., Colman, Isabel L., Contardo, Gabriella, Lu, Yuxi, Zinn, Joel C.

“…Abstract We combine stellar surface rotation periods determined from NASA’s Kepler mission with spectroscopic temperatures to demonstrate the existence of…”
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K2 DISCOVERY OF YOUNG ECLIPSING BINARIES IN UPPER SCORPIUS: DIRECT MASS AND RADIUS DETERMINATIONS FOR THE LOWEST MASS STARS AND INITIAL CHARACTERIZATION OF AN ECLIPSING BROWN DWARF BINARY by David, Trevor J., Hillenbrand, Lynne A., Cody, Ann Marie, Carpenter, John M., Howard, Andrew W.

“…ABSTRACT We report the discovery of three low-mass double-lined eclipsing binaries in the pre-main sequence Upper Scorpius association, revealed by K2…”
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Overfitting Affects the Reliability of Radial Velocity Mass Estimates of the V1298 Tau Planets by Blunt, Sarah, Carvalho, Adolfo, David, Trevor J., Beichman, Charles, Zink, Jon K., Gaidos, Eric, Behmard, Aida, Bouma, Luke G., Cody, Devin, Dai, Fei, Foreman-Mackey, Daniel, Grunblatt, Sam, Howard, Andrew W., Kosiarek, Molly, Knutson, Heather A., Rubenzahl, Ryan A., Beard, Corey, Chontos, Ashley, Giacalone, Steven, Hirano, Teruyuki, Johnson, Marshall C., Lubin, Jack, Akana Murphy, Joseph M., Petigura, Erik A, Van Zandt, Judah, Weiss, Lauren

“…Abstract Mass, radius, and age measurements of young (≲100 Myr) planets have the power to shape our understanding of planet formation. However, young stars…”
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Hazy with a Chance of Star Spots: Constraining the Atmosphere of Young Planet K2-33b by Thao, Pa Chia, Mann, Andrew W., Gao, Peter, Owens, Dylan A., Vanderburg, Andrew, Newton, Elisabeth R., Tang, Yao, Fields, Matthew J., David, Trevor J., Irwin, Jonathan M., Husser, Tim-Oliver, Charbonneau, David, Ballard, Sarah

“…Abstract Although all-sky surveys have led to the discovery of dozens of young planets, little is known about their atmospheres. Here, we present…”
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IDENTIFYING CONTRIBUTIONS TO THE STELLAR HALO FROM ACCRETED, KICKED-OUT, AND IN SITU POPULATIONS by SHEFFIELD, Allyson A, MAJEWSKI, Steven R, KAPLAN, Evan, MILLER, Jacob, PATTERSON, Richard J, JOHNSTON, Kathryn V, CUNHA, Katia, SMITH, Verne V, CHEUNG, Andrew M, HAMPTON, Christina M, DAVID, Trevor J, WAGNER-KAISER, Rachel, JOHNSON, Marshall C

“…We present a medium-resolution spectroscopic survey of late-type giant stars at mid-Galactic latitudes of (30[degrees] < |b| < 60[degrees]), designed to probe…”
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THE AGES OF EARLY-TYPE STARS: STRÖMGREN PHOTOMETRIC METHODS CALIBRATED, VALIDATED, TESTED, AND APPLIED TO HOSTS AND PROSPECTIVE HOSTS OF DIRECTLY IMAGED EXOPLANETS by David, Trevor J., Hillenbrand, Lynne A.

“…ABSTRACT Age determination is undertaken for nearby early type (BAF) stars, which constitute attractive targets for high-contrast debris disk and planet…”
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New Low-mass Eclipsing Binary Systems in Praesepe Discovered by K2 by Gillen, Edward, Hillenbrand, Lynne A., David, Trevor J., Aigrain, Suzanne, Rebull, Luisa, Stauffer, John, Cody, Ann Marie, Queloz, Didier

“…We present the discovery and characterization of four low-mass ( M < 0.6 M ) eclipsing binary (EB) systems in the sub-Gyr old Praesepe open cluster using…”
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Age Determination in Upper Scorpius with Eclipsing Binaries by David, Trevor J., Hillenbrand, Lynne A., Gillen, Edward, Cody, Ann Marie, Howell, Steve B., Isaacson, Howard T., Livingston, John H.

“…The Upper Scorpius OB association is the nearest region of recent massive star formation and thus an important benchmark for investigations concerning stellar…”
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Bridging the Gap—The Disappearance of the Intermediate Period Gap for Fully Convective Stars, Uncovered by New ZTF Rotation Periods by Lu, Yuxi(Lucy), Curtis, Jason L., Angus, Ruth, David, Trevor J., Hattori, Soichiro

“…Abstract The intermediate period gap, discovered by Kepler, is an observed dearth of stellar rotation periods in the temperature–period diagram at ∼20 days for…”
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A Neptune-sized transiting planet closely orbiting a 5–10-million-year-old star by David, Trevor J., Hillenbrand, Lynne A., Petigura, Erik A., Carpenter, John M., Crossfield, Ian J. M., Hinkley, Sasha, Ciardi, David R., Howard, Andrew W., Isaacson, Howard T., Cody, Ann Marie, Schlieder, Joshua E., Beichman, Charles A., Barenfeld, Scott A.

“…A fully formed, Neptune-sized planet is observed orbiting a young star, demonstrating that planets can form in less than 10 million years and may also…”
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The μ Tau Association: A 60 Myr Old Coeval Group at 150 pc from the Sun by Gagné, Jonathan, David, Trevor J., Mamajek, Eric E., Mann, Andrew W., Faherty, Jacqueline K., Bédard, Antoine

“…Abstract We present an analysis of the newly identified μ  Tau Association (MUTA) of young stars at ≃150 pc from the Sun that is part of the large Cas-Tau…”
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EPIC 203868608: A Low-mass Quadruple Star System in the Upper Scorpius OB Association by Wang, Ji, David, Trevor J., Hillenbrand, Lynne A., Mawet, Dimitri, Albrecht, Simon, Liu, Zibo

“…Young multiple star systems provide excellent testing grounds for theories of star formation and evolution. EPIC 203868608 was previously studied as a triple…”
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An Aligned Orbit for the Young Planet V1298 Tau b by Johnson, Marshall C., David, Trevor J., Petigura, Erik A., Isaacson, Howard T., Van Zandt, Judah, Ilyin, Ilya, Strassmeier, Klaus, Mallonn, Matthias, Zhou, George, Mann, Andrew W., Livingston, John H., Luger, Rodrigo, Dai, Fei, Weiss, Lauren M., Močnik, Teo, Giacalone, Steven, Hill, Michelle L., Rice, Malena, Blunt, Sarah, Rubenzahl, Ryan, Dalba, Paul A., Esquerdo, Gilbert A., Berlind, Perry, Calkins, Michael L., Foreman-Mackey, Daniel

“…Abstract The alignment of planetary orbits with respect to the stellar rotation preserves information on their dynamical histories. Measuring this angle for…”
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A Transient Transit Signature Associated with the Young Star RIK-210 by David, Trevor J., Petigura, Erik A., Hillenbrand, Lynne A., Cody, Ann Marie, Cameron, Andrew Collier, Stauffer, John R., Fulton, B. J., Isaacson, Howard T., Howard, Andrew W., Howell, Steve B., Everett, Mark E., Wang, Ji, Benneke, Björn, Hellier, Coel, West, Richard G., Pollacco, Don, Anderson, David R.

“…We find transient transit-like dimming events within the K2 time series photometry of the young star RIK-210 in the Upper Scorpius OB association. These…”
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Discovery of δ Scuti Pulsations in the Young Hybrid Debris Disk Star HD 156623 by Mellon, Samuel N., Mamajek, Eric E., Zwintz, Konstanze, David, Trevor J., Stuik, Remko, J. Talens, Geert Jan, Dorval, Patrick, Burggraaff, Olivier, Kenworthy, Matthew A., Bailey, III, John I., Lomberg, Blaine B. D., Kuhn, Rudi B., Ireland, Michael J., Crawford, Steven M.

“…The bRing robotic observatory network was built to search for circumplanetary material within the transiting Hill sphere of the exoplanet β Pic b across its…”
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HII 2407: AN ECLIPSING BINARY REVEALED BY K2 OBSERVATIONS OF THE PLEIADES by David, Trevor J., Stauffer, John, Hillenbrand, Lynne A., Cody, Ann Marie, Conroy, Kyle, Stassun, Keivan G., Pope, Benjamin, Aigrain, Suzanne, Gillen, Ed, Cameron, Andrew Collier, Barrado, David, Rebull, L. M., Isaacson, Howard, Marcy, Geoffrey W., Zhang, Celia, Riddle, Reed L., Ziegler, Carl, Law, Nicholas M., Baranec, Christoph

“…ABSTRACT The star HII 2407 is a member of the relatively young Pleiades star cluster and was previously discovered to be a single-lined spectroscopic binary…”
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The metal-poor atmosphere of a potential sub-Neptune progenitor by Barat, Saugata, Désert, Jean-Michel, Vazan, Allona, Baeyens, Robin, Line, Michael R., Fortney, Jonathan J., David, Trevor J., Livingston, John H., Jacobs, Bob, Panwar, Vatsal, Shivkumar, Hinna, Todorov, Kamen O., Pino, Lorenzo, Mraz, Georgia, Petigura, Erik A.

“…Young transiting exoplanets offer a unique opportunity to characterize the atmospheres of freshly formed and evolving planets. We present the transmission…”
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