Search Results - "Berger, Travis A."

Revised Radii of Kepler Stars and Planets Using Gaia Data Release 2 by Berger, Travis A., Huber, Daniel, Gaidos, Eric, van Saders, Jennifer L.

“…One bottleneck for the exploitation of data from the Kepler mission for stellar astrophysics and exoplanet research has been the lack of precise radii and…”
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Growth model interpretation of planet size distribution by Zeng, Li, Jacobsen, Stein B., Sasselov, Dimitar D., Petaev, Michail I., Vanderburg, Andrew, Lopez-Morales, Mercedes, Perez-Mercader, Juan, Mattsson, Thomas R., Li, Gongjie, Heising, Matthew Z., Bonomo, Aldo S., Damasso, Mario, Berger, Travis A., Cao, Hao, Levi, Amit, Wordsworth, Robin D.

“…The radii and orbital periods of 4,000+ confirmed/candidate exoplanets have been precisely measured by the Kepler mission. The radii show a bimodal…”
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Identifying Young Kepler Planet Host Stars from Keck–HIRES Spectra of Lithium by Berger, Travis A., Howard, Andrew W., Boesgaard, Ann Merchant

“…Abstract The lithium doublet at 6708 Å provides an age diagnostic for main sequence FGK dwarfs. We measured the abundance of lithium in 1305 stars with…”
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Revising Properties of Planet–Host Binary Systems. III. There Is No Observed Radius Gap for Kepler Planets in Binary Star Systems by Sullivan, Kendall, Kraus, Adam L., Huber, Daniel, Petigura, Erik A., Evans, Elise, Dupuy, Trent, Zhang, Jingwen, Berger, Travis A., Gaidos, Eric, Mann, Andrew W.

“…Abstract Binary stars are ubiquitous; the majority of solar-type stars exist in binaries. Exoplanet occurrence rate is suppressed in binaries, but some…”
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Revising Properties of Planet–Host Binary Systems. IV. The Radius Distribution of Small Planets in Binary Star Systems Is Dependent on Stellar Separation by Sullivan, Kendall, Kraus, Adam L, Berger, Travis A, Dupuy, Trent J, Evans, Elise, Gaidos, Eric, Huber, Daniel, Ireland, Michael J, Mann, Andrew W, Petigura, Erik A, Pa Chia Thao, Wood, Mackenna L, Zhang, Jingwen

“…Small planets (Rp ≤ 4 R⊕) are divided into rocky super-Earths and gaseous sub-Neptunes separated by a radius gap, but the mechanisms that produce these…”
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Planet engulfment detections are rare according to observations and stellar modelling by Behmard, Aida, Dai, Fei, Brewer, John M, Berger, Travis A, Howard, Andrew W

“…ABSTRACT Dynamical evolution within planetary systems can cause planets to be engulfed by their host stars. Following engulfment, the stellar photosphere…”
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Rotation Distributions around the Kraft Break with TESS and Kepler: The Influences of Age, Metallicity, and Binarity by Avallone, Ellis A., Tayar, Jamie N., van Saders, Jennifer L., Berger, Travis A., Claytor, Zachary R., Beaton, Rachael L., Teske, Johanna, Godoy-Rivera, Diego, Pan, Kaike

“…Abstract Stellar rotation is a complex function of mass, metallicity, and age and can be altered by binarity. To understand the importance of these parameters…”
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Is [Y/Mg] a Reliable Age Diagnostic for FGK Stars? by Berger, Travis A., van Saders, Jennifer L., Huber, Daniel, Gaidos, Eric, Schlieder, Joshua E., Claytor, Zachary R.

“…Current spectroscopic surveys are producing large catalogs of chemical abundances for stars of all types. The yttrium-to-magnesium ratio, [Y/Mg], has emerged…”
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The Discovery of a Planetary Companion Interior to Hot Jupiter WASP-132 b by Hord, Benjamin J., Colón, Knicole D., Berger, Travis A., Kostov, Veselin, Silverstein, Michele L., Stassun, Keivan G., Lissauer, Jack J., Collins, Karen A., Schwarz, Richard P., Sefako, Ramotholo, Ziegler, Carl, Briceño, César, Law, Nicholas, Mann, Andrew W., Ricker, George R., Latham, David W., Seager, S., Winn, Joshua N., Jenkins, Jon M., Bouma, Luke G., Falk, Ben, Torres, Guillermo, Twicken, Joseph D., Vanderburg, Andrew

“…Abstract Hot Jupiters are generally observed to lack close planetary companions, a trend that has been interpreted as evidence for high-eccentricity migration…”
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Quantitative Spectroscopy of Supergiants in the Local Group Dwarf Galaxy IC 1613: Metallicity and Distance by Berger, Travis A., Kudritzki, Rolf-Peter, Urbaneja, Miguel A., Bresolin, Fabio, Gieren, Wolfgang, Pietrzy ski, Grzegorz, Przybilla, Norbert

“…We present a spectral analysis of 21 blue supergiant stars of spectral types late B to early A within the Local Group dwarf galaxy IC 1613, based on VLT Focal…”
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TESS Asteroseismology of α Mensae: Benchmark Ages for a G7 Dwarf and Its M Dwarf Companion by Chontos, Ashley, Huber, Daniel, Berger, Travis A., Kjeldsen, Hans, Serenelli, Aldo M., Silva Aguirre, Victor, Ball, Warrick H., Basu, Sarbani, Bedding, Timothy R., Chaplin, William J., Claytor, Zachary R., Corsaro, Enrico, Garcia, Rafael A., Howell, Steve B., Lundkvist, Mia S., Mathur, Savita, Metcalfe, Travis S., Nielsen, Martin B., Mian Joel Ong, Jia, Çelik Orhan, Zeynep, Örtel, Sibel, Salama, Maissa, Stassun, Keivan G., Townsend, R. H. D., van Saders, Jennifer L., Winther, Mark, Yildiz, Mutlu, Butler, R. Paul, Tinney, C. G., Wittenmyer, Robert A.

“…Abstract Asteroseismology of bright stars has become increasingly important as a method to determine the fundamental properties (in particular ages) of stars…”
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PHANGS-JWST: Data-processing Pipeline and First Full Public Data Release by Williams, Thomas G., Lee, Janice C., Larson, Kirsten L., Leroy, Adam K., Sandstrom, Karin, Schinnerer, Eva, Thilker, David A., Belfiore, Francesco, Egorov, Oleg V., Rosolowsky, Erik, Sutter, Jessica, DePasquale, Joseph, Pagan, Alyssa, Berger, Travis A., Anand, Gagandeep S., Barnes, Ashley T., Bigiel, Frank, Boquien, Médéric, Cao, Yixian, Chastenet, Jérémy, Chevance, Mélanie, Chown, Ryan, Dale, Daniel A., Deger, Sinan, Eibensteiner, Cosima, Emsellem, Eric, Faesi, Christopher M., Glover, Simon C. O., Grasha, Kathryn, Hannon, Stephen, Hassani, Hamid, Henshaw, Jonathan D., Jiménez-Donaire, María J., Kim, Jaeyeon, Klessen, Ralf S., Koch, Eric W., Li, Jing, Liu, Daizhong, Meidt, Sharon E., Méndez-Delgado, J. Eduardo, Murphy, Eric J., Neumann, Justus, Neumann, Lukas, Neumayer, Nadine, Oakes, Elias K., Pathak, Debosmita, Pety, Jérôme, Pinna, Francesca, Querejeta, Miguel, Ramambason, Lise, Romanelli, Andrea, Sormani, Mattia C., Stuber, Sophia K., Sun, Jiayi, Teng, Yu-Hsuan, Usero, Antonio, Watkins, Elizabeth J., Weinbeck, Tony D.

“…Abstract The exquisite angular resolution and sensitivity of JWST are opening a new window for our understanding of the Universe. In nearby galaxies, JWST…”
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Identifying Young Kepler Planet Host Stars from Keck-HIRES Spectra of Lithium Based on observations obtained at the W. M. Keck Observatory, which is operated jointly by the University of California and the California Institute of Technology. Keck time has been granted by the University of Hawaii, the University of California, and Caltech by Berger, Travis A., Howard, Andrew W., Boesgaard, Ann Merchant

“…The lithium doublet at 6708 provides an age diagnostic for main sequence FGK dwarfs. We measured the abundance of lithium in 1305 stars with detected…”
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Revising Properties of Planet–Host Binary Systems. III. There Is No Observed Radius Gap for Kepler Planets in Binary Star Systems Based on observations obtained with the Hobby–Eberly Telescope, which is a joint project of the University of Texas at Austin, the Pennsylvania State University, Ludwig-Maximilians-Universität München, and Georg-August-Universität Göttingen. by Sullivan, Kendall, Kraus, Adam L., Huber, Daniel, Petigura, Erik A., Evans, Elise, Dupuy, Trent, Zhang, Jingwen, Berger, Travis A., Gaidos, Eric, Mann, Andrew W.

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Revising Properties of Planet–Host Binary Systems. IV. The Radius Distribution of Small Planets in Binary Star Systems Is Dependent on Stellar Separation Based on observations obtained with the Hobby–Eberly Telescope, which is a joint project of the University of Texas at Austin, the Pennsylvania State University, Ludwig-Maximilians-Universität München, and Georg-August-Universität Göttingen by Sullivan, Kendall, Kraus, Adam L., Berger, Travis A., Dupuy, Trent J., Evans, Elise, Gaidos, Eric, Huber, Daniel, Ireland, Michael J., Mann, Andrew W., Petigura, Erik A., Thao, Pa Chia, Wood, Mackenna L., Zhang, Jingwen

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Precise Demographics of Kepler Exoplanets in the Gaia Era by Berger, Travis A

“…A major bottleneck for transiting exoplanet demographics has been the lack of precise properties for most of the observed stars, as the transit method measures…”
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Quantifying the Contamination From Nearby Stellar Companions in Gaia DR3 Photometry by Sullivan, Kendall, Kraus, Adam L, Berger, Travis A, Huber, Daniel

“…Identifying and removing binary stars from stellar samples is a crucial but complicated task. Regardless of how carefully a sample is selected, some binaries…”
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Presenting a framework and process for designing leadership development programs as sustainable competitive advantages: A case study at Hershey Entertainment and Resorts by Berger, Travis A

“…Organizational executives leverage significant resources to build leadership development programs as part of strategic initiatives, but many of these programs…”
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Evidence that Core-Powered Mass-Loss Dominates Over Photoevaporation in Shaping the Kepler Radius Valley by Berger, Travis A, Schlieder, Joshua E, Huber, Daniel, Barclay, Thomas

“…The dearth of planets with sizes around 1.8 $\mathrm{R_\oplus}$ is a key demographic feature discovered by the $Kepler$ mission. Two theories have emerged as…”
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The Gaia-Kepler-TESS-Host Stellar Properties Catalog: Uniform Physical Parameters for 7993 Host Stars and 9324 Planets by Berger, Travis A, Schlieder, Joshua E, Huber, Daniel

“…We present the first homogeneous catalog of $Kepler$, $K2$, and $TESS$ host stars and the corresponding catalog of exoplanet properties, which contain 7993…”
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