Search Results - "Angus, Ruth"

A disintegrating minor planet transiting a white dwarf by Vanderburg, Andrew, Johnson, John Asher, Rappaport, Saul, Bieryla, Allyson, Irwin, Jonathan, Lewis, John Arban, Kipping, David, Brown, Warren R., Dufour, Patrick, Ciardi, David R., Angus, Ruth, Schaefer, Laura, Latham, David W., Charbonneau, David, Beichman, Charles, Eastman, Jason, McCrady, Nate, Wittenmyer, Robert A., Wright, Jason T.

“…The atmospheres of white dwarfs often contain elements heavier than helium, even though these elements would be expected to settle into the stars’ interiors;…”
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Stellar Rotation in the K2 Sample: Evidence for Modified Spin-down by Gordon, Tyler A., Davenport, James R. A., Angus, Ruth, Foreman-Mackey, Daniel, Agol, Eric, Covey, Kevin R., Agüeros, Marcel A., Kipping, David

“…Abstract We analyze light curves of 284,834 unique K2 targets using a Gaussian process model with a quasi-periodic kernel function. By cross-matching K2 stars…”
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In This Day and Age: An Empirical Gyrochronology Relation for Partially and Fully Convective Single Field Stars by Lu, Yuxi(Lucy), Angus, Ruth, Foreman-Mackey, Daniel, Hattori, Soichiro

“…Abstract Gyrochronology, the field of age dating stars using mainly their rotation periods and masses, is ideal for inferring the ages of individual…”
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Methods for the Detection of Stellar Rotation Periods in Individual TESS Sectors and Results from the Prime Mission by Colman, Isabel L., Angus, Ruth, David, Trevor, Curtis, Jason, Hattori, Soichiro, Lu, Yuxi (Lucy)

“…Abstract For ongoing studies of the role of rotation in stellar evolution, we require large catalogs of rotation periods for testing and refining…”
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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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Detecting Solar System Analogs through Joint Radial Velocity/Astrometric Surveys by Yahalomi, Daniel A., Angus, Ruth, Spergel, David N., Foreman-Mackey, Daniel

“…Abstract Earth-mass exoplanets on year-long orbits and cool gas giants (CGG) on decade-long orbits lie at the edge of current detection limits. The Terra…”
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TESS Giants Transiting Giants. IV. A Low-density Hot Neptune Orbiting a Red Giant Star by Grunblatt, Samuel K., Saunders, Nicholas, Huber, Daniel, Thorngren, Daniel, Vissapragada, Shreyas, Yoshida, Stephanie, Schlaufman, Kevin C., Giacalone, Steven, Macdougall, Mason, Chontos, Ashley, Turtelboom, Emma, Beard, Corey, Murphy, Joseph M. Akana, Rice, Malena, Isaacson, Howard, Angus, Ruth, Howard, Andrew W.

“…Hot Neptunes, gaseous planets smaller than Saturn (∼3–8 R⊕) with orbital periods less than 10 days, are rare. Models predict this is due to high-energy stellar…”
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TESS Giants Transiting Giants. III. An Eccentric Warm Jupiter Supports a Period−Eccentricity Relation for Giant Planets Transiting Evolved Stars by Grunblatt, Samuel K., Saunders, Nicholas, Chontos, Ashley, Hattori, Soichiro, Veras, Dimitri, Huber, Daniel, Angus, Ruth, Rice, Malena, Breivik, Katelyn, Blunt, Sarah, Giacalone, Steven, Lubin, Jack, Isaacson, Howard, Howard, Andrew W., Ciardi, David R., Safonov, Boris S., Strakhov, Ivan A., Latham, David W., Bieryla, Allyson, Ricker, George R., Jenkins, Jon M., Tenenbaum, Peter, Shporer, Avi, Morgan, Edward H., Kostov, Veselin, Osborn, Hugh P., Dragomir, Diana, Seager, Sara, Vanderspek, Roland K., Winn, Joshua N.

“…Abstract The fate of planets around rapidly evolving stars is not well understood. Previous studies have suggested that, relative to the main-sequence…”
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Inferring probabilistic stellar rotation periods using Gaussian processes by Angus, Ruth, Morton, Timothy, Aigrain, Suzanne, Foreman-Mackey, Daniel, Rajpaul, Vinesh

“…Abstract Variability in the light curves of spotted, rotating stars is often non-sinusoidal and quasi-periodic – spots move on the stellar surface and have…”
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Calibrating gyrochronology using Kepler asteroseismic targets by Angus, Ruth, Aigrain, Suzanne, Foreman-Mackey, Daniel, McQuillan, Amy

“…Among the available methods for dating stars, gyrochronology is a powerful one because it requires knowledge of only the star's mass and rotation period…”
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CHARACTERIZING K2 PLANET DISCOVERIES: A SUPER-EARTH TRANSITING THE BRIGHT K DWARF HIP 116454 by Vanderburg, Andrew, Montet, Benjamin T., Johnson, John Asher, Buchhave, Lars A., Zeng, Li, Pepe, Francesco, Cameron, Andrew Collier, Latham, David W., Molinari, Emilio, Udry, Stéphane, Lovis, Christophe, Matthews, Jaymie M., Cameron, Chris, Law, Nicholas, Bowler, Brendan P., Angus, Ruth, Baranec, Christoph, Bieryla, Allyson, Boschin, Walter, Charbonneau, David, Cosentino, Rosario, Dumusque, Xavier, Figueira, Pedro, Guenther, David B., Harutyunyan, Avet, Hellier, Coel, Kuschnig, Rainer, Lopez-Morales, Mercedes, Mayor, Michel, Micela, Giusi, Moffat, Anthony F. J., Pedani, Marco, Phillips, David F., Piotto, Giampaolo, Pollacco, Don, Queloz, Didier, Rice, Ken, Riddle, Reed, Rowe, Jason F., Rucinski, Slavek M., Sasselov, Dimitar, Ségransan, Damien, Sozzetti, Alessandro, Szentgyorgyi, Andrew, Watson, Chris, Weiss, Werner W.

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When Do Stalled Stars Resume Spinning Down? Advancing Gyrochronology with Ruprecht 147 by Curtis, Jason Lee, Agüeros, Marcel A., Matt, Sean P., Covey, Kevin R., Douglas, Stephanie T., Angus, Ruth, Saar, Steven H., Cody, Ann Marie, Vanderburg, Andrew, Law, Nicholas M., Kraus, Adam L., Latham, David W., Baranec, Christoph, Riddle, Reed, Ziegler, Carl, Lund, Mikkel N., Torres, Guillermo, Meibom, Søren, Aguirre, Victor Silva, Wright, Jason T.

“…Recent measurements of rotation periods ( ) in the benchmark open clusters Praesepe (670 Myr), NGC 6811 (1 Gyr), and NGC 752 (1.4 Gyr) demonstrate that, after…”
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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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Evaluating Rotation Periods of M Dwarfs across the Ages by Popinchalk, Mark, Faherty, Jacqueline K., Kiman, Rocio, Gagné, Jonathan, Curtis, Jason L., Angus, Ruth, Cruz, Kelle L., Rice, Emily L.

“…Abstract In this work we examine M dwarf rotation rates at a range of ages to establish benchmarks for M dwarf gyrochronology. This work includes a sample of…”
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Flaring latitudes in ensembles of low-mass stars by Ilin, Ekaterina, Angus, Ruth, Luger, Rodrigo, Morris, Brett M, Jehn, Florian U

“…ABSTRACT The distribution of small-scale magnetic fields in stellar photospheres is an important ingredient in our understanding of the magnetism of low-mass…”
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The unpopular Package: A Data-driven Approach to Detrending TESS Full-frame Image Light Curves by Hattori, Soichiro, Foreman-Mackey, Daniel, Hogg, David W., Montet, Benjamin T., Angus, Ruth, Pritchard, T. A., Curtis, Jason L., Schölkopf, Bernhard

“…Abstract The majority of observed pixels on the Transiting Exoplanet Survey Satellite (TESS) are delivered in the form of full-frame images (FFIs). However,…”
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Data-driven Derivation of Stellar Properties from Photometric Time Series Data Using Convolutional Neural Networks by Blancato, Kirsten, Ness, Melissa K., Huber, Daniel, Lu, Yuxi(Lucy), Angus, Ruth

“…Abstract Stellar variability is driven by a multitude of internal physical processes that depend on fundamental stellar properties. These properties are our…”
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SYSTEMATICS-INSENSITIVE PERIODIC SIGNAL SEARCH WITH K2 by Angus, Ruth, Foreman-Mackey, Daniel, Johnson, John A.

“…ABSTRACT From pulsating stars to transiting exoplanets, the search for periodic signals in K2 data, Kepler's two-wheeled extension, is relevant to a long list…”
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wdwarfdate: A Python Package to Derive Bayesian Ages of White Dwarfs by Kiman, Rocio, Xu, Siyi, Faherty, Jacqueline K., Gagné, Jonathan, Angus, Ruth, Brandt, Timothy D., Casewell, Sarah L., Cruz, Kelle L.

“…Abstract White dwarfs have been successfully used as cosmochronometers in the literature; however, their reach has been limited in comparison to their…”
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Age-dating Red Giant Stars Associated with Galactic Disk and Halo Substructures by Grunblatt, Samuel K., Zinn, Joel C., Price-Whelan, Adrian M., Angus, Ruth, Saunders, Nicholas, Hon, Marc, Stokholm, Amalie, Bellinger, Earl P., Martell, Sarah L., Mosser, Benoit, Cunningham, Emily, Tayar, Jamie, Huber, Daniel, Rørsted, Jakob Lysgaard, Silva Aguirre, Victor

“…Abstract The vast majority of Milky Way stellar halo stars were likely accreted from a small number (≲3) of relatively large dwarf galaxy accretion events…”
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