Results 81 to 90 of about 298 (156)

The OATMEAL Survey. II. The 3D Spin–Orbit Obliquity of an Eccentric Transiting Brown Dwarf in the Ruprecht 147 Open Cluster

The Astronomical Journal
We present a new analysis of the CWW 89 system as part of the Orbital Architectures of Transiting Massive Exoplanets And Low-mass stars (OATMEAL) survey. The CWW 89 system is a member of the 2.8 Gyr old Ruprecht 147 (NGC 6774) cluster and consists of two
Theron W. Carmichael, Steven Giacalone, Noah Vowell, Daniel Huber, Xian-Yu Wang, Malik Bossett, Luke Handley, Aaron Householder, Yaguang Li, Benjamin J. Fulton, Andrew W. Howard, Howard Isaacson, Samuel Halverson, Arpita Roy   +13 more
doaj   +1 more source

The orbital eccentricity distribution of planets orbiting M dwarfs. [PDF]

Proc Natl Acad Sci U S A, 2023
Sagear S, Ballard S.
europepmc   +1 more source

An Analytical Model for the Eccentricity Cascade: Hot Jupiter Formation via S-type Instability

The Astrophysical Journal
A widely explored pathway for hot Jupiter (HJ) formation is high-eccentricity migration driven by von Zeipel–Lidov–Kozai cycles induced by an exterior companion.
Eritas Yang, Yubo Su
doaj   +1 more source

Planetary population synthesis and the emergence of four classes of planetary system architectures. [PDF]

Eur Phys J Plus, 2023
Emsenhuber A, Mordasini C, Burn R.
europepmc   +1 more source

Predicting the Dominant Formation Mechanism of Multiplanetary Systems

The Astrophysical Journal Letters
Most, if not all, Sun-like stars host one or more planets, making multiplanetary systems commonplace in our Galaxy. We utilize hundreds of multiplanet simulations to explore the origin of such systems, focusing on their orbital architecture.
Cheyanne Shariat, Yasuhiro Hasegawa, Bradley M. S. Hansen, Tze Yeung Mathew Yu, Renyu Hu   +4 more
doaj   +1 more source

Salty ice and the dilemma of ocean exoplanet habitability. [PDF]

Nat Commun, 2022
Journaux B.
europepmc   +1 more source

Formation of Super-Earths and Mini-Neptunes from Rings of Planetesimals

The Astrophysical Journal Letters
The solar system's planetary architecture has been proposed to be consistent with the terrestrial and giant planets forming from material rings at ∼1 au and ∼5 au, respectively.
Sho Shibata, Andre Izidoro
doaj   +1 more source

Exoplanets, extraterrestrial life and beyond: an interview with Douglas Lin. [PDF]

Natl Sci Rev, 2022
Xin 辛玲 L.
europepmc   +1 more source

A Testbed for Tidal Migration: The 3D Architecture of an Eccentric Hot Jupiter HD 118203 b Accompanied by a Possibly Aligned Outer Giant Planet

The Astronomical Journal
Characterizing outer companions to hot Jupiters plays a crucial role in deciphering their origins. We present the discovery of a long-period giant planet, HD 118203 c ( ${m}_{c}={11.79}_{-0.63}^{+0.69}\ {M}_{{\rm{J}}}$ , ${a}_{c}={6.28}_{-0.11}^{+0.10 ...
Jingwen Zhang, Daniel Huber, Lauren M. Weiss, Jerry W. Xuan, Jennifer A. Burt, Fei Dai, Nicholas Saunders, Erik A. Petigura, Ryan A. Rubenzahl, Joshua N. Winn, Sharon X. Wang, Judah Van Zandt, Max Brodheim, Zachary R. Claytor, Ian Crossfield, William Deich, Benjamin J. Fulton, Steven R. Gibson, Samuel Halverson, Grant M. Hill, Bradford Holden, Aaron Householder, Andrew W. Howard, Howard Isaacson, Stephen Kaye, Kyle Lanclos, Russ R. Laher, Jack Lubin, Joel Payne, Arpita Roy, Christian Schwab, Abby P. Shaum, Josh Walawender, Edward Wishnow, Sherry Yeh   +34 more
doaj   +1 more source

Synergies Between Venus & Exoplanetary Observations: Venus and Its Extrasolar Siblings. [PDF]

Space Sci Rev, 2023
Way MJ, Ostberg C, Foley BJ, Gillmann C, Höning D, Lammer H, O'Rourke J, Persson M, Plesa AC, Salvador A, Scherf M, Weller M.   +11 more
europepmc   +1 more source