11 citations · 16 across the 12 of their papers we have counts for
12 papers · 1 filter
Refined parameters, formation, and dynamical stability of the wild exoplanet system K2-312=HD 80653
L. Naponiello, E. Poretti, K. Rice +24
The architecture of planetary systems hosting ultra-short-period (USP) planets is a key diagnostic for understanding formation and migration scenarios. The presence of outer giant…
Understanding eccentric temperate giants: an in-depth study of the architecture and stellar obliquity of the TOI-2134 system
Federica Rescigno, Manu Stalport, Ancy Anna John +28
We revisit the TOI-2134 planetary system with three new high-cadence TESS sectors and 98 more spectra. This new analysis confirms the two orbiting planets by simultaneously modelli…
The Architecture of the 14 Herculis System Suggests Primordial Ejection of a Massive Planet
Tiger Lu, Sarah C. Millholland, Malena Rice +6
The 14 Herculis system hosts two super-Jupiters on eccentric, significantly misaligned orbits. This orbital architecture represents a dynamical puzzle that demands explanation. In…
A Massive Hot-Jupiter Companion that Disfavors Giant Planet Formation Beyond the Water-Ice Line
Eritas Yang, Tiger Lu, Daniel A. Yahalomi +1
We report evidence for a brown-dwarf companion with mass in the KELT-20 system, in which an ultra-hot Jupiter transits an A2-type star. The companion's p…
A Coordinate System for Dynamical Instabilities in Hierarchical Systems in REBOUND
Tiger Lu, Garett Brown
We implement coordinates suitable for studying wide binary systems in TRACE, a hybrid integrator in the widely used open-source N-body integration package REBOUND. This is a regime…
Observational and Dynamical Constraints on an Unseen Outer Perturber in the GJ 436 Hot Neptune System
Haedam Im, Tiger Lu, Malena Rice +3
Hot Neptunes in the sub-Jovian desert offer unique insights into planetary system evolution, retaining signatures of dynamical processes that shaped their present-day architectures…
A High-Precision, Differentiable Code for Solar System Ephemerides
Ben Cassese, Malena Rice, Tiger Lu
We present jorbit, a python/JAX library designed to enable modern data-driven numerical studies of the solar system. Written entirely in JAX, an auto-differentiable and optionally…
The Formation of Double Hot Jupiter Systems through von Zeipel-Lidov-Kozai Migration
Yurou Liu, Tiger Lu, Malena Rice
The von Zeipel-Lidov-Kozai (ZLK) mechanism with tidal friction has been demonstrated as a promising avenue to generate hot Jupiters in stellar binary systems. Previous population s…
JWST Coronagraphic Images of 14 Her c: a Cold Giant Planet in a Dynamically Hot, Multi-planet System
Daniella C. Bardalez Gagliuffi, William O. Balmer, Laurent Pueyo +16
Most observed multi-planet systems are coplanar, in a dynamically "cold" configuration of concentric orbits like our own Solar System. With the James Webb Space Telescope (JWST) we…
The Dynamical History of HIP-41378 f -- Oblique Exorings Masquerading as a Puffy Planet
Tiger Lu, Gongjie Li, Ben Cassese +1
The super-puff HIP-41378 f represents a fascinating puzzle due to its anomalously low density on a far-out orbit in contrast with other known super-puffs. In this work, we explore…
Planet-Planet Scattering and ZLK Migration -- The Dynamical History of HAT-P-11
Tiger Lu, Qier An, Gongjie Li +4
The two planets of the HAT-P-11 system represent fascinating dynamical puzzles due to their significant eccentricities and orbital misalignments. In particular, HAT-P-11 b is on a…
Significant mutual inclinations between the stellar spin and the orbits of both planets in the HAT-P-11 system
Qier An, Tiger Lu, G. Mirek Brandt +2
Planet-star obliquity and planet-planet ]mutual inclination encode a planetary system's dynamical history, but both of their values are hard to measure for misaligned systems with…