Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: Planetary and Cometary Atmospheres

M Cordiner, A Thelen, T Cavalie… - Open Research …, 2024 - pmc.ncbi.nlm.nih.gov
The study of planets and small bodies within our Solar System is fundamental for
understanding the formation and evolution of the Earth and other planets. Compositional …

Subsurface Thermophysical Properties of Europa's Leading and Trailing Hemispheres as Revealed by ALMA

AE Thelen, K de Kleer, M Camarca… - The Planetary …, 2024 - iopscience.iop.org
We present best-fit values of porosity—and the corresponding effective thermal inertiae—
determined from three different depths in Europa's near-subsurface (∼ 1–20 cm). The …

The RATT PARROT: serendipitous discovery of a peculiarly scintillating pulsar in MeerKAT imaging observations of the Great Saturn–Jupiter Conjunction of 2020. I …

OM Smirnov, BW Stappers, C Tasse… - Monthly Notices of …, 2024 - academic.oup.com
We report on a radiopolarimetric observation of the Saturn–Jupiter Great Conjunction of
2020 using the MeerKAT L-band system, initially carried out for science verification …

Filament eruption by multiple reconnections

Y Liu, GP Ruan, B Schmieder, JH Guo, Y Chen… - Astronomy & …, 2024 - aanda.org
Context. Filament eruption is a common phenomenon in solar activity, but the triggering
mechanism is not well understood. Aims. We focus our study on a filament eruption located …

Observations of Titan's Stratosphere during Northern Summer: Temperatures, CH3CN and CH3D Abundances

AE Thelen, CA Nixon, MA Cordiner… - The Planetary …, 2024 - iopscience.iop.org
Titan's atmospheric composition and dynamical state have previously been studied over
numerous epochs by both ground-and space-based facilities. However, stratospheric …

Europa's H2O2: Temperature Insensitivity and a Correlation with CO2

P Wu, SK Trumbo, ME Brown… - The Planetary Science …, 2024 - iopscience.iop.org
H 2 O 2 is part of Europa's water-ice radiolytic cycle and a potential source of oxidants to
Europa's subsurface ocean. However, factors controlling the concentration of this critical …

Revealing Callisto's Carbon-rich Surface and CO2 Atmosphere with JWST

RJ Cartwright, GL Villanueva, BJ Holler… - The Planetary …, 2024 - iopscience.iop.org
We analyzed spectral cubes of Callisto's leading and trailing hemispheres, collected with the
NIRSpec Integrated Field Unit (G395H) on the James Webb Space Telescope. These …

ALMA Spectroscopy of Europa: A Search for Active Plumes

MA Cordiner, AE Thelen, IL Lai, WL Tseng… - arXiv preprint arXiv …, 2024 - arxiv.org
The subsurface ocean of Europa is a high priority target in the search for extraterrestrial life,
but direct investigations are hindered by the presence of a thick, exterior ice shell. Here we …

Experimental Study of Polarization Characteristics of Terahertz Emission

T Yamada, M Kobayashi, Y Uchiyama… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
We present an experimental study of the polarization characteristics of the emission intensity
from the surface of a material using terahertz (THz) passive measurements. We developed …