Ellen M. Price

Constraining the shape and composition of K2-141 b

Ellen M. Price, Leslie A. Rogers, Andrew Vanderburg, Lisa Dang et autres

Rocky exoplanets that orbit very near their Roche limits may assume non-spherical equilibrium shapes. These unusual planet geometries are dependent upon the planet composition, so accurately predicting the tidal distortion of a particular exoplanet requires detailed interior structure modeling across a range …

us, ca (code pays fourni par la source)

Constraining the shape and composition of K2-141 b

Ellen M. Price, Leslie A. Rogers, Andrew Vanderburg, Lisa Dang et autres

Rocky exoplanets that orbit very near their Roche limits may assume non-spherical equilibrium shapes. These unusual planet geometries are dependent upon the planet composition, so accurately predicting the tidal distortion of a particular exoplanet requires detailed interior structure modeling across a range …

us, ca (code pays fourni par la source)

Revisiting the Exo-Mercury Candidate GJ 367 b with ESPRESSO and a Self-consistent Tidal Distortion Model

Rena A. Lee, Fei Dai, Ellen M. Price, Te Han et autres

Abstract We report revised mass and radius measurements for GJ 367 b, an ultra-short-period (7.7 hr) sub-Earth in a multiplanet system orbiting a nearby (∼9 pc) M dwarf host. Previous mass and radius measurements have suggested GJ 367 b has an anomalously …

us, it, de, nl, dk, ca (code pays fourni par la source)

Revisiting the Exo-Mercury Candidate GJ 367 b with ESPRESSO and a Self-Consistent Tidal Distortion Model

Rena A. Lee, Fei Dai, Ellen M. Price, Te Han et autres

We report revised mass and radius measurements for GJ 367 b, an ultra-short-period (7.7 hr) sub-Earth in a multi-planet system orbiting a nearby (~9 pc) M dwarf host. Previous mass and radius measurements have suggested GJ 367 b has an anomalously high …

Revisiting the Exo-Mercury Candidate GJ 367 b with ESPRESSO and a Self-Consistent Tidal Distortion Model

Rena A. Lee, Fei Dai, Ellen M. Price, Te Han et autres

We report revised mass and radius measurements for GJ 367 b, an ultra-short-period (7.7 hr) sub-Earth in a multi-planet system orbiting a nearby (~9 pc) M dwarf host. Previous mass and radius measurements have suggested GJ 367 b has an anomalously high …

us, it, de, dk, ca (code pays fourni par la source)

Icy Volatile Enhancements in Evolving Protoplanetary Disks

Elizabeth Yunerman, Ellen M. Price, Karin I. Öberg

Abstract Protoplanetary disk ice lines shape a multitude of planet formation processes, setting the environmental composition through evolution. Ice line locations depend on molecular sublimation and deposition properties, but in dynamic disks where temperature and density structures change, so do the expected …

us (code pays fourni par la source)

A Long Spin Period for a Sub-Neptune-mass Exoplanet

Ellen M. Price, Juliette Becker, Zoë L. de Beurs, Leslie A. Rogers et autres

Abstract HIP 41378 f is a sub-Neptune exoplanet with an anomalously low density. Its long orbital period and deep transit make it an ideal candidate for detecting oblateness photometrically. We present a new cross-platform, GPU-enabled code, greenlantern, suitable for computing transit light …

Three-dimensional Transport of Solids in a Protoplanetary Disk Containing a Growing Giant Planet

Eric Van Clepper, Ellen M. Price, F. J. Ciesla

Abstract We present the results of combined hydrodynamic and particle tracking post-processing modeling to study the transport of small dust in a protoplanetary disk containing an embedded embryo in three dimensions. We use a suite of FARGO3D hydrodynamic simulations of disks containing …

Dynamics of Small, Constant-size Particles in a Protoplanetary Disk with an Embedded Protoplanet

Ellen M. Price, Eric Van Clepper, F. J. Ciesla

Abstract Hydrodynamical simulations of protoplanetary disk dynamics are useful tools for understanding the formation of planetary systems, including our own. Approximations are necessary to make these simulations computationally tractable. A common assumption when simulating dust fluids is that of a constant Stokes …

us (code pays fourni par la source)

A long spin period for a sub-Neptune-mass exoplanet

Ellen M. Price, Juliette Becker, Zoë L. de Beurs, Leslie A. Rogers et autres

HIP 41378 f is a sub-Neptune exoplanet with an anomalously low density. Its long orbital period and deep transit make it an ideal candidate for detecting oblateness photometrically. We present a new cross-platform, GPU-enabled code greenlantern, suitable for computing transit light curves …

us (code pays fourni par la source)

An Earth-sized Planet on the Verge of Tidal Disruption

Fei Dai, Andrew W. Howard, Samuel Halverson, J. Orell-Miquel et autres

Abstract TOI-6255 b (GJ 4256) is an Earth-sized planet (1.079 ± 0.065 R ⊕) with an orbital period of only 5.7 hr. With the newly commissioned Keck Planet Finder and CARMENES spectrographs, we determine the planet’s mass to be 1.44 ± 0.14 …

us, es, au, ca, nl, jp, cn, de, be (code pays fourni par la source)

An Earth-sized Planet on the Verge of Tidal Disruption

Fei Dai, Andrew W. Howard, Samuel Halverson, J. Orell-Miquel et autres

TOI-6255~b (GJ 4256) is an Earth-sized planet (1.079$\pm0.065$ $R_\oplus$) with an orbital period of only 5.7 hours. With the newly commissioned Keck Planet Finder (KPF) and CARMENES spectrographs, we determined the planet's mass to be 1.44$\pm$0.14 $M_{\oplus}$. The planet is just outside …