Search Results - "Winn, Joshua N."

Homogeneous Analysis of Hot Earths: Masses, Sizes, and Compositions by Dai, Fei, Masuda, Kento, Winn, Joshua N., Zeng, Li

“…Terrestrial planets have been found orbiting Sun-like stars with extremely short periods-some as short as 4 hr. These "ultra-short-period planets" or "hot…”
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ARE TIDAL EFFECTS RESPONSIBLE FOR EXOPLANETARY SPIN-ORBIT ALIGNMENT? by Li, Gongjie, Winn, Joshua N.

“…ABSTRACT The obliquities of planet-hosting stars are clues about the formation of planetary systems. Previous observations led to the hypothesis that for…”
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EVIDENCE FOR THE TIDAL DESTRUCTION OF HOT JUPITERS BY SUBGIANT STARS by SCHLAUFMAN, KEVIN C, Winn, Joshua N

“…Tidal transfer of angular momentum is expected to cause hot Jupiters to spiral into their host stars. Although the timescale for orbital decay is very…”
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The Six-planet Resonant Chain of HD 110067 by Lammers, Caleb, Winn, Joshua N.

“…HD 110067 is the brightest star known to have six transiting planets. Each adjacent pair of planets has a period ratio that is nearly equal to a ratio of small…”
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AESTRA: Deep Learning for Precise Radial Velocity Estimation in the Presence of Stellar Activity by Liang, Yan, Winn, Joshua N., Melchior, Peter

“…Abstract Stellar activity interferes with precise radial velocity measurements and limits our ability to detect and characterize planets, in particular…”
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THE TRANSITING EXOPLANET SURVEY SATELLITE: SIMULATIONS OF PLANET DETECTIONS AND ASTROPHYSICAL FALSE POSITIVES by Sullivan, Peter W., Winn, Joshua N., Berta-Thompson, Zachory K., Charbonneau, David, Deming, Drake, Dressing, Courtney D., Latham, David W., Levine, Alan M., McCullough, Peter R., Morton, Timothy, Ricker, George R., Vanderspek, Roland, Woods, Deborah

“…ABSTRACT The Transiting Exoplanet Survey Satellite (TESS) is a NASA-sponsored Explorer mission that will perform a wide-field survey for planets that transit…”
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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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On a Possible Solution to the Tidal Realignment Problem for Hot Jupiters by Anderson, Kassandra R., Winn, Joshua N., Penev, Kaloyan

“…Hot stars with hot Jupiters have a wide range of obliquities, while cool stars with hot Jupiters tend to have low obliquities. An enticing explanation for this…”
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Ponderings on the Possible Preponderance of Perpendicular Planets by Siegel, Jared C., Winn, Joshua N., Albrecht, Simon H.

“…Abstract Misalignments between planetary orbits and the equatorial planes of their host stars are clues about the formation and evolution of planetary systems…”
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ORBITAL CIRCULARIZATION OF HOT AND COOL KEPLER ECLIPSING BINARIES by Eylen, Vincent Van, Winn, Joshua N., Albrecht, Simon

“…ABSTRACT The rate of tidal circularization is predicted to be faster for relatively cool stars with convective outer layers, compared to hotter stars with…”
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Occurrence Rate of Hot Jupiters Around Early-type M Dwarfs Based on Transiting Exoplanet Survey Satellite Data by Gan, Tianjun, Wang, Sharon X., Wang, Songhu, Mao, Shude, Huang, Chelsea X., Collins, Karen A., Stassun, Keivan G., Shporer, Avi, Zhu, Wei, Ricker, George R., Vanderspek, Roland, Latham, David W., Seager, Sara, Winn, Joshua N., Jenkins, Jon M., Barkaoui, Khalid, Belinski, Alexander A., Ciardi, David R., Evans, Phil, Girardin, Eric, Maslennikova, Nataliia A., Mazeh, Tsevi, Panahi, Aviad, Pozuelos, Francisco J., Radford, Don J., Schwarz, Richard P., Twicken, Joseph D., Wünsche, Anaël, Zucker, Shay

“…Abstract We present an estimate of the occurrence rate of hot Jupiters (7 R ⊕ ≤ R p ≤ 2 R J , 0.8 ≤ P b ≤ 10 days) around early-type M dwarfs based on stars…”
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IMPROVED SPECTROSCOPIC PARAMETERS FOR TRANSITING PLANET HOSTS by Torres, Guillermo, Fischer, Debra A, SOZZETTI, ALESSANDRO, Buchhave, Lars A, Winn, Joshua N, Holman, Matthew J, Carter, Joshua A

“…We report homogeneous spectroscopic determinations of the effective temperature, metallicity, and projected rotational velocity for the host stars of 56…”
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The Period Distribution of Hot Jupiters Is Not Dependent on Host Star Metallicity by Yee, Samuel W., Winn, Joshua N.

“…Abstract The probability that a Sun-like star has a close-orbiting giant planet (period ≲1 yr) increases with stellar metallicity. Previous work provided…”
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OBLIQUITIES OF HOT JUPITER HOST STARS: EVIDENCE FOR TIDAL INTERACTIONS AND PRIMORDIAL MISALIGNMENTS by ALBRECHT, Simon, WINN, Joshua N, HIRANO, Teruyuki, BAKOS, Gaspar, HARTMAN, Joel D, JOHNSON, John A, HOWARD, Andrew W, MARCY, Geoffrey W, PAUL BUTLER, R, ARRIAGADA, Pamela, CRANE, Jeffrey D, SHECTMAN, Stephen A, THOMPSON, Ian B

“…We provide evidence that the obliquities of stars with close-in giant planets were initially nearly random, and that the low obliquities that are often…”
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Variability Catalog of Stars Observed during the TESS Prime Mission by Fetherolf, Tara, Pepper, Joshua, Simpson, Emilie, Kane, Stephen R., Močnik, Teo, English, John Edward, Antoci, Victoria, Huber, Daniel, Jenkins, Jon M., Stassun, Keivan, Twicken, Joseph D., Vanderspek, Roland, Winn, Joshua N.

“…Abstract During its 2 yr Prime Mission, TESS observed over 232,000 stars at a 2 minute cadence across ∼70% of the sky. These data provide a record of…”
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Further Evidence for Tidal Spin-up of Hot Jupiter Host Stars by Tejada Arevalo, Roberto A., Winn, Joshua N., Anderson, Kassandra R.

“…Abstract For most hot Jupiters around main-sequence Sun-like stars, tidal torques are expected to transfer angular momentum from the planet’s orbit to the…”
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The Featureless Transmission Spectra of Two Super-puff Planets by Libby-Roberts, Jessica E., Berta-Thompson, Zachory K., Désert, Jean-Michel, Masuda, Kento, Morley, Caroline V., Lopez, Eric D., Deck, Katherine M., Fabrycky, Daniel, Fortney, Jonathan J., Line, Michael R., Sanchis-Ojeda, Roberto, Winn, Joshua N.

“…The Kepler mission revealed a class of planets known as "super-puffs," with masses only a few times larger than Earth's but radii larger than Neptune, giving…”
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Stellar Spin-Orbit Misalignment in a Multiplanet System by Huber, Daniel, Carter, Joshua A., Barbieri, Mauro, Miglio, Andrea, Deck, Katherine M., Fabrycky, Daniel C., Montet, Benjamin T., Buchhave, Lars A., Chaplin, William J., Hekker, Saskia, Montalbán, Josefina, Sanchis-Ojeda, Roberto, Basu, Sarbani, Bedding, Timothy R., Campante, Tiago L., Christensen-Dalsgaard, Jørgen, Elsworth, Yvonne P., Stello, Dennis, Arentoft, Torben, Ford, Eric B., Gilliland, Ronald L., Handberg, Rasmus, Howard, Andrew W., Isaacson, Howard, Johnson, John Asher, Karoff, Christoffer, Kawaler, Steven D., Kjeldsen, Hans, Latham, David W., Lund, Mikkel N., Lundkvist, Mia, Marcy, Geoffrey W., Metcalfe, Travis S., Aguirre, Victor Silva, Winn, Joshua N.

“…Stars hosting hot Jupiters are often observed to have high obliquities, whereas stars with multiple coplanar planets have been seen to have low obliquities…”
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A rocky composition for an Earth-sized exoplanet by Howard, Andrew W., Sanchis-Ojeda, Roberto, Marcy, Geoffrey W., Johnson, John Asher, Winn, Joshua N., Isaacson, Howard, Fischer, Debra A., Fulton, Benjamin J., Sinukoff, Evan, Fortney, Jonathan J.

“…Doppler spectroscopic measurements of the mass of the Earth-sized planet Kepler-78b reveal that its mean density is similar to Earth’s, suggesting a…”
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The Warm Neptune GJ 3470b Has a Polar Orbit by Stefànsson, Guđmundur, Mahadevan, Suvrath, Petrovich, Cristobal, Winn, Joshua N., Kanodia, Shubham, Millholland, Sarah C., Maney, Marissa, Cañas, Caleb I., Wisniewski, John, Robertson, Paul, Ninan, Joe P., Ford, Eric B., Bender, Chad F., Blake, Cullen H., Cegla, Heather, Cochran, William D., Diddams, Scott A., Dong, Jiayin, Endl, Michael, Fredrick, Connor, Halverson, Samuel, Hearty, Fred, Hebb, Leslie, Hirano, Teruyuki, Lin, Andrea S. J., Logsdon, Sarah E., Lubar, Emily, McElwain, Michael W., Metcalf, Andrew J., Monson, Andrew, Rajagopal, Jayadev, Ramsey, Lawrence W., Roy, Arpita, Schwab, Christian, Schweiker, Heidi, Terrien, Ryan C., Wright, Jason T.

“…The warm Neptune GJ 3470b transits a nearby (d = 29 pc) bright slowly rotating M1.5-dwarf star. Using spectroscopic observations during two transits with the…”
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