Search Results - "Kraus, Adam L."

Undetected Binary Stars Cause an Observed Mass-dependent Age Gradient in Upper Scorpius by Sullivan, Kendall, Kraus, Adam L.

“…Abstract Young stellar associations represent a key site for the study of star formation, but to accurately compare observations to models of stellar…”
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Distances, Luminosities, and Temperatures of the Coldest Known Substellar Objects by Dupuy, Trent J., Kraus, Adam L.

“…The coolest known brown dwarfs are our best analogs to extrasolar gas-giant planets. The prolific detections of such cold substellar objects in the past 2…”
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Starspots and Undetected Binary Stars Have Distinct Signatures in Young Stellar Associations by Sullivan, Kendall, Kraus, Adam L.

“…Abstract Young stars form in associations, meaning that young stellar associations provide an ideal environment to measure the age of a nominally coeval…”
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How to Constrain Your M Dwarf. II. The Mass-Luminosity-Metallicity Relation from 0.075 to 0.70 Solar Masses by Mann, Andrew W., Dupuy, Trent, Kraus, Adam L., Gaidos, Eric, Ansdell, Megan, Ireland, Michael, Rizzuto, Aaron C., Hung, Chao-Ling, Dittmann, Jason, Factor, Samuel, Feiden, Gregory, Martinez, Raquel A., Ruíz-Rodríguez, Dary, Chia Thao, Pa

“…The mass-luminosity relation for late-type stars has long been a critical tool for estimating stellar masses. However, there is growing need for both a…”
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The California-Kepler Survey. X. The Radius Gap as a Function of Stellar Mass, Metallicity, and Age by Petigura, Erik A., Rogers, James G., Isaacson, Howard, Owen, James E., Kraus, Adam L., Winn, Joshua N., MacDougall, Mason G., Howard, Andrew W., Fulton, Benjamin, Kosiarek, Molly R., Weiss, Lauren M., Behmard, Aida, Blunt, Sarah

“…Abstract In 2017, the California-Kepler Survey (CKS) published its first data release (DR1) of high-resolution optical spectra of 1305 planet hosts. Refined…”
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Mapping the Shores of the Brown Dwarf Desert. II. Multiple Star Formation in Taurus-Auriga by Kraus, Adam L, Ireland, Michael J, Martinache, Frantz, Hillenbrand, Lynne A

“…We have conducted a high-resolution imaging study of the Taurus-Auriga star-forming region in order to characterize the primordial outcome of multiple star…”
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The Role of Multiplicity in Disk Evolution and Planet Formation by Kraus, Adam L, Ireland, Michael J, Hillenbrand, Lynne A, Martinache, Frantz

“…The past decade has seen a revolution in our understanding of protoplanetary disk evolution and planet formation in single-star systems. However, the majority…”
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SPYGLASS. IV. New Stellar Survey of Recent Star Formation within 1 kpc by Kerr, Ronan, Kraus, Adam L., Rizzuto, Aaron C.

“…Abstract Young stellar populations provide a powerful record that traces millions of years of star formation history in the solar neighborhood. Using a revised…”
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NICMOS Kernel-phase Interferometry. II. Demographics of Nearby Brown Dwarfs by Factor, Samuel M., Kraus, Adam L.

“…Abstract Star formation theories have struggled to reproduce binary brown dwarf population demographics (e.g., frequency, separation, and mass ratio)…”
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ZODIACAL EXOPLANETS IN TIME (ZEIT). I. A NEPTUNE-SIZED PLANET ORBITING AN M4.5 DWARF IN THE HYADES STAR CLUSTER by Mann, Andrew W., Gaidos, Eric, Mace, Gregory N., Johnson, Marshall C., Bowler, Brendan P., LaCourse, Daryll, Jacobs, Thomas L., Vanderburg, Andrew, Kraus, Adam L., Kaplan, Kyle F., Jaffe, Daniel T.

“…ABSTRACT Studying the properties of young planetary systems can shed light on how the dynamics and structure of planets evolve during their most formative…”
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Dynamical Mass of the Young Substellar Companion HD 984 B by Franson, Kyle, Bowler, Brendan P., Brandt, Timothy D., Dupuy, Trent J., Tran, Quang H., Brandt, G. Mirek, Li, Yiting, Kraus, Adam L.

“…Abstract Model-independent masses of substellar companions are critical tools to validate models of planet and brown dwarf cooling, test their input physics,…”
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SPECTROSCOPIC CONFIRMATION OF YOUNG PLANETARY-MASS COMPANIONS ON WIDE ORBITS by Bowler, Brendan P, Liu, Michael C, Kraus, Adam L, Mann, Andrew W

“…We present moderate-resolution (R ~ 4000-5000) near-infrared integral field spectroscopy of the young (1-5 Myr) 6-14 M sub(jup) companions ROXs 42B b and FW…”
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SPYGLASS. V. Spatially and Temporally Structured Star-forming Environments in the Cepheus-Hercules Complex by Kerr, Ronan, Kraus, Adam L., Krolikowski, Daniel, Bouma, Luke G., Farias, Juan P.

“…Abstract Young associations record complete histories of star-forming events through their demographics and dynamics, and Gaia has greatly expanded our…”
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Eclipsing Binaries in the Open Cluster Ruprecht 147. I. EPIC 219394517 by Torres, Guillermo, Curtis, Jason L., Vanderburg, Andrew, Kraus, Adam L., Rizzuto, Aaron

“…Eclipsing binaries in star clusters offer more stringent tests of stellar evolution theory than field binaries because models must not only match the binary…”
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ORBITAL ARCHITECTURES OF PLANET-HOSTING BINARIES. I. FORMING FIVE SMALL PLANETS IN THE TRUNCATED DISK OF KEPLER-444A by Dupuy, Trent J, Kratter, Kaitlin M, Kraus, Adam L, Isaacson, Howard, Mann, Andrew W, Ireland, Michael J, Howard, Andrew W, Huber, Daniel

“…ABSTRACT We present the first results from our Keck program investigating the orbital architectures of planet-hosting multiple star systems. Kepler-444 is a…”
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THREE WIDE PLANETARY-MASS COMPANIONS TO FW TAU, ROXs 12, AND ROXs 42B by Kraus, Adam L, Ireland, Michael J, CIEZA, LUCAS A, Hinkley, Sasha, Dupuy, Trent J, Bowler, Brendan P, Liu, Michael C

“…We report the discovery of three planetary-mass companions (M = 6-20 M sub(Jup)) in wide orbits ([rho] ~ 150-300 AU) around the young stars FW Tau…”
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A Search for Stellar Siblings of the ∼200 Myr TOI-251 b Planetary System by Sun, Qinghui, Wang, Sharon Xuesong, Mann, Andrew W., Tofflemire, Benjamin M., Kraus, Adam L., Gan, Tianjun, Barber, Madyson G.

“…Abstract Young planets (<1 Gyr) are helpful for studying the physical processes occurring at the early stage of planet evolution. TOI-251 b is a recently…”
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The Metallicity Distribution and Hot Jupiter Rate of the Kepler Field: Hectochelle High-resolution Spectroscopy for 776 Kepler Target Stars by Guo, Xueying, Johnson, John A., Mann, Andrew W., Kraus, Adam L., Curtis, Jason L., Latham, David W.

“…The occurrence rate of hot Jupiters from the Kepler transit survey is roughly half that of radial velocity surveys targeting solar neighborhood stars. One…”
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SPYGLASS. II. The Multigenerational and Multiorigin Star Formation History of Cepheus Far North by Kerr, Ronan, Kraus, Adam L., Murphy, Simon J., Krolikowski, Daniel M., Offner, Stella S. R., Tofflemire, Benjamin M., Rizzuto, Aaron C.

“…Abstract Young stellar populations provide a record of past star formation, and by establishing their members’ dynamics and ages, it is possible to reconstruct…”
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SEARCHING FOR SCATTERERS: HIGH-CONTRAST IMAGING OF YOUNG STARS HOSTING WIDE-SEPARATION PLANETARY-MASS COMPANIONS by Bryan, Marta L., Bowler, Brendan P., Knutson, Heather A., Kraus, Adam L., Hinkley, Sasha, Mawet, Dimitri, Nielsen, Eric L., Blunt, Sarah C.

“…ABSTRACT We have conducted an angular differential imaging survey with NIRC2 at Keck in search of close-in substellar companions to a sample of seven systems…”
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