67 citations · 228 across the 19 of their papers we have counts for
20 papers
In-situ Optimized Substrate Witness Plates: Ground Truth for Key Processes on the Moon and Other Planets
Prabal Saxena, Liam S. Morrissey, Rosemary M. Killen +12
Future exploration efforts of the Moon, Mars and other bodies are poised to focus heavily on persistent and sustainable survey and research efforts, especially given the recent int…
Two Warm Super-Earths Transiting the Nearby M Dwarf TOI-2095
Elisa V. Quintana, Emily A. Gilbert, Thomas Barclay +55
We report the detection and validation of two planets orbiting TOI-2095 (TIC 235678745). The host star is a 3700K M1V dwarf with a high proper motion. The star lies at a distance o…
Lunar Samples are Time Capsules of the Sun
Prabal Saxena, Natalie Curran, Heather Graham
The Heliophysics Decadal survey should embrace the coming opportunity of sustained lunar surface exploration and facilitate cross-disciplinary efforts to unlock the secrets of the…
Photobombing Earth 2.0: Diffraction Limit Related Contamination and Uncertainty in Habitable Planet Spectra
Prabal Saxena
Observing habitable exoplanets that may resemble Earth is a key priority in astronomy that is dependent on not only detecting such worlds, but also ascertaining that apparent signa…
Simulating Reflected Light Exoplanet Spectra of the Promising Direct Imaging Target, Andromedae d, with a New, Fast Sampling Method Using the Planetary Spectrum Generator
Prabal Saxena, Geronimo L. Villanueva, Neil T. Zimmerman +2
Simulations of exoplanet albedo profiles are key to planning and interpreting future direct imaging observations. In this paper we demonstrate the use of the Planetary Spectrum Gen…
TRAPPIST Habitable Atmosphere Intercomparison (THAI) workshop report
Thomas J. Fauchez, Martin Turbet, Denis E. Sergeev +31
The era of atmospheric characterization of terrestrial exoplanets is just around the corner. Modeling prior to observations is crucial in order to predict the observational challen…
Lifetime of a transient atmosphere produced by Lunar Volcanism
Orenthal J. Tucker, Rosemary M. Killen, Robert E. Johnson +1
Early in the Moon's history volcanic outgassing may have produced a periodic millibar level atmosphere (Needham and Kring, 2017). We examined the relevant atmospheric escape proces…
Tidal Dissipation in Dual-Body, Highly Eccentric, and Non-synchronously Rotating Systems: Applications to Pluto-Charon and the Exoplanet TRAPPIST-1e
Joe P. Renaud, Wade G. Henning, Prabal Saxena +4
Using the Andrade-derived Sundberg-Cooper rheology, we apply several improvements to the secular tidal evolution of TRAPPIST-1e and the early history of Pluto-Charon under the simp…
Sodium and Potassium Signatures of Volcanic Satellites Orbiting Close-in Gas Giant Exoplanets
Apurva V. Oza, Robert E. Johnson, Emmanuel Lellouch +12
Extrasolar satellites are generally too small to be detected by nominal searches. By analogy to the most active body in the Solar System, Io, we describe how sodium (Na I) and pota…
The Mid-InfraRed Exo-planet CLimate Explorer MIRECLE: Exploring the Nearest M-Earths Through Ultra-Stable Mid-IR Transit and Phase-Curve Spectroscopy
Johannes Staguhn, Avi Mandell, Kevin Stevenson +11
This White Paper presents a mission concept called MIRECLE - the Mid-InfraRed Exoplanet CLimate Explorer. With a moderately sized aperture of 2 meters, broad wavelength coverage (4…
Was the Sun a Slow Rotator? -- Sodium and Potassium Constraints from the Lunar Regolith
Prabal Saxena, Rosemary M. Killen, Vladimir Airapetian +3
While the Earth and Moon are generally similar in composition, a notable difference between the two is the apparent depletion in moderately volatile elements in lunar samples. This…
Highly Volcanic Exoplanets, Lava Worlds, and Magma Ocean Worlds: An Emerging Class of Dynamic Exoplanets of Significant Scientific Priority
Wade G. Henning, Joseph P. Renaud, Prabal Saxena +39
Highly volcanic exoplanets, which can be variously characterized as 'lava worlds', 'magma ocean worlds', or 'super-Ios' are high priority targets for investigation. The term 'lava…
Exoplanet Science Priorities from the Perspective of Internal and Surface Processes for Silicate and Ice Dominated Worlds
Wade G. Henning, Joseph P. Renaud, Avi M. Mandell +35
The geophysics of extrasolar planets is a scientific topic often regarded as standing largely beyond the reach of near-term observations. This reality in no way diminishes the cent…
The Origins Space Telescope: Towards An Understanding of Temperate Planetary Atmospheres
Jonathan Fortney, Tiffany Kataria, Kevin Stevenson +46
The Origins Space Telescope (OST) is one of four mission concepts currently being studied by NASA in preparation for the Astrophysics 2020 Decadal Survey. With active cooling (~4 K…
Simulating the WFIRST coronagraph Integral Field Spectrograph
Maxime J. Rizzo, Tyler D. Groff, Neil T. Zimmerman +12
A primary goal of direct imaging techniques is to spectrally characterize the atmospheres of planets around other stars at extremely high contrast levels. To achieve this goal, cor…
Commissioning and performance results of the WFIRST/PISCES integral field spectrograph
Prabal Saxena, Maxime J. Rizzo, Camilo Mejia Prada +6
The Prototype Imaging Spectrograph for Coronagraphic Exoplanet Studies (PISCES) is a high contrast integral field spectrograph (IFS) whose design was driven by WFIRST coronagraph i…
A Model of the Primordial Lunar Atmosphere
Prabal Saxena, Lindy Elkins-Tanton, Noah Petro +1
We create the first quantitative model for the early lunar atmosphere, coupled with a magma ocean crystallization model. Immediately after formation, the moon's surface was subject…
Relevance of Tidal Heating on Large TNOs
Prabal Saxena, Joe Renaud, Wade G. Henning +2
We examine the relevance of tidal heating for large Trans-Neptunian Objects, with a focus on its potential to melt and maintain layers of subsurface liquid water. Depending on thei…
Geostrophic wind induced by latitudinal variation in gravitational acceleration on oblate planets
Jacob Haqq-Misra, Prabal Saxena, Eric T. Wolf +1
The population of known extrasolar planets includes giant and terrestrial planets that closely orbit their host star. Such planets experience significant tidal distortions that can…
The Observational Effects and Signatures of Tidally Distorted Solid Exoplanets
Prabal Saxena, Peter Panka, Michael Summers
Our work examines the detectability of tidally distorted solid exoplanets in synchronous rotation. Previous work has shown that tidally distorted shapes of close-in gas giants can…