171 citations · 1.1k across the 47 of their papers we have counts for
50 papers
Singles in Disguise: Kepler's Low-SNR Single-Transiting Systems as Incompletely Detected Multis
Daniel A. Yahalomi, David Nesvorny, David Kipping +2
NASA's Kepler mission found more systems with one transiting planet (``singles'') than expected from those with several (``multis''). This excess was first taken as evidence for a…
Investigating potential causes for high inferred intrinsic temperatures of warm transiting Neptune and Sub-Neptune planets
Saugata Barat, Jean-Michel Désert, Allona Vazan +7
Atmospheric characterization of a warm 10-30 Myr old sub-Neptune progenitor (V1298 Tau b) and a 3.4 Gyr old warm super-Neptune (WASP-107b) using JWST have revealed extremely…
ExoMOD II. A Statistical Model of Transit Timing Variations in Kepler Multi-Planet Systems
David Nesvorny, Daniel A. Yahalomi, David Kipping +2
In Paper I (Nesvorný et al. 2026), we forward modeled transit observations of the Kepler telescope to characterize the orbital properties of close-in planetary systems. The new pop…
Atmospheric Escape Rates of Planets in Stellar Tidal Fields from 3-D Hydrodynamic Simulations
Ritika Sethi, Morgan MacLeod, Sarah Millholland
Thermally driven atmospheric escape, including photo-evaporation and core-powered mass-loss, plays a key role in shaping the evolution of close-in exoplanets, yet most current mode…
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…
Uncovering the Rapidly Evolving Orbits of the Dynamic TOI-201 System
Ismael Mireles, Solène Ulmer-Moll, Donald Liveoak +47
Studying planetary interactions in exoplanet systems informs theories of planet formation and evolution, providing essential context for understanding our own solar system. We comb…
Direct Imaging Constraints on Binary Planets and Exomoons around Epsilon Indi A b
Matson Garza, Mary Anne Limbach, Rachel Bowens-Rubin +6
Epsilon Indi A b is a directly imaged exoplanet orbiting a nearby (3.6 pc) K-dwarf at AU. We analyze archival JWST/MIRI 15 m coronagraphic imaging…
Self-consistent Dynamical and Chaotic Tides in the REBOUNDx framework
Donald J. Liveoak, Sarah C. Millholland, Michelle Vick +1
At high eccentricities, tidal forcing excites vibrational modes within orbiting bodies known as dynamical tides. In this paper, we implement the coupled evolution of these modes wi…
Exploring Exoplanet Dynamics with JWST: Tides, Rotation, Rings, and Moons
Sarah C. Millholland, Joshua N. Winn
Although nearly 6,000 exoplanets are currently known, in most cases our knowledge is limited to a handful of the planet's orbital characteristics and bulk properties such as radius…
Coupled Planetary Interior and Tidal Evolution
Tim Hallatt, Sarah Millholland
We present a new planetary structure/thermal evolution model, designed for use in problems that couple orbital dynamics with planetary structure. We first benchmark our structural/…
Shedding Light on Desert Dwellers
Tim Hallatt, Sarah Millholland
The ``sub-Jovian desert" (, periods 3 days) is sparsely populated but no longer empty. Recent surveys have revealed that pl…
Tidal Inflation is Stronger for Misaligned Neptune-Sized Planets Than Aligned Ones
Ritika Sethi, Sarah Millholland
Recent observations have revealed an intriguing abundance of polar-orbiting Neptune-sized planets, many of which exhibit unusually inflated radii. While such misaligned orbits poin…
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…
Planetary Obliquity Excitation Through Pre-Main Sequence Stellar Evolution
Sidhant Kumar Suar, Sarah C. Millholland
A planet's axial tilt ("obliquity") substantially affects its atmosphere and habitability. It is thus essential to comprehend the various mechanisms that can excite planetary obliq…
Empirical Constraints on Tidal Dissipation in Exoplanet Host Stars
Sarah C. Millholland, Morgan MacLeod, Felicia Xiao
The orbits of short-period exoplanets are sculpted by tidal dissipation. However, the mechanisms and associated efficiencies of these tidal interactions are poorly constrained. We…
Planetary Edge Trends (PET). I. The Inner Edge-Stellar Mass Correlation
Meng-Fei Sun, Ji-Wei Xie, Ji-Lin Zhou +3
The position of the innermost planet (i.e., the inner edge) in a planetary system provides important information about the relationship of the entire system to its host star proper…
Polar Neptunes are Stable to Tides
Emma Louden, Sarah Millholland
There is an intriguing and growing population of Neptune-sized planets with stellar obliquities near . One previously proposed formation pathway is a disk-driven re…
Formation of Close-in Neptunes Around Low-Mass Stars Through Breaking Resonant Chains
Donald Liveoak, Sarah Millholland
Conventional planet formation theories predict a paucity of massive planets around small stars, especially very low-mass () mid-to-late M dwarfs. Such tiny s…
The Prevalence of Resonance Among Young, Close-in Planets
Fei Dai, Max Goldberg, Konstantin Batygin +11
Multiple planets undergoing disk migration may be captured into a chain of mean-motion resonances with the innermost planet parked near the disk's inner edge. Subsequent dynamical…
TOI-1685 b is a Hot Rocky Super-Earth: Updates to the Stellar and Planet Parameters of a Popular JWST Cycle 2 Target
Jennifer A. Burt, Matthew J. Hooton, Eric E. Mamajek +12
We present an updated characterization of the TOI-1685 planetary system, which consists of a P = 0.69\,day USP super-Earth planet orbiting a nearby ( = 37.6\,pc) M2.5…
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…
Spin Dynamics of Planets in Resonant Chains
Sarah C. Millholland, Teo Lara, Jan Toomlaid
About a dozen exoplanetary systems have been discovered with three or more planets participating in a sequence of mean-motion resonances. The unique and complex architectures of th…
Tidal Dissipation Regimes Among the Short-Period Exoplanets
Emma Louden, Gregory Laughlin, Sarah Millholland
The efficiency of tidal dissipation provides a zeroth-order link to a planet's physical properties. For super-Earth and sub-Neptune planets in the range $R_{\oplus}\lesssim R_p \le…
TOI-5126: A hot super-Neptune and warm Neptune pair discovered by and
Tyler R. Fairnington, Emma Nabbie, Chelsea X. Huang +33
We present the confirmation of a hot super-Neptune with an exterior Neptune companion orbiting a bright (V = 10.1 mag) F-dwarf identified by the $\textit{Transiting Exoplanet Surve…