A study led by a researcher from the Paris Observatory-PSL within the Laboratory for Instrumentation and Research in Astrophysics (LIRA – CNRS / Sorbonne University / Université Paris Cité) reveals […]
Exomoon
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Gas Giants, Habitable Zones, Imaging & Spectroscopy, Science Fiction, Status Report
Finding Endor With Lunar Eclipses — Exomoons And Exorings With The Habitable Worlds Observatory II
Giant planets in the habitable zone may host exomoons with conditions conducive to life. In this paper we describe a method by which the Habitable Worlds Observatory (HWO) could detect […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Hunting Exomoons With A Kilometric Baseline Interferometer
Despite numerous search campaigns based on a diverse set of observational techniques, exomoons – prospective satellites of extrasolar planets – remain an elusive and hard-to-pin-down class of objects.
Posted inExoplanets, -moons, -comets, Status Report, TRAPPIST-1
Orbital Stability Of Moons Around The TRAPPIST-1 Planets
We investigate the dynamical stability of potential satellites orbiting the seven planets of the TRAPPIST-1 system using a suite of N-body simulations.
Posted inAstronomy & Telescopes, Beta Pictoris, Exoplanets, -moons, -comets, Status Report, Stellar Cartography
First Astrometric Limits On Binary Planets And Exomoons Orbiting β Pictoris b
The search for exomoons, or moons in other star systems, has attracted significant interest in recent years, driven both by advancements in detection sensitivity and by the expanding population of […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Exomoon Search With VLTI/GRAVITY Around The Substellar Companion HD 206893 B
Direct astrometric detection of exomoons remains unexplored. This study presents the first application of high-precision astrometry to search for exomoons around substellar companions.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Gas Giants, Ice Giant, Imaging & Spectroscopy, Status Report
A JWST Transit Of A Jupiter Analog: II. A Search For Exomoons
We present a search for exomoons around the Jupiter-like exoplanet Kepler-167e using a NIRSpec JWST transit.
Posted inAstrogeology, Exoplanets, -moons, -comets, Gas Giants, Ice Giant, Status Report, Stellar Cartography
The Coupled Tidal Evolution of the Moons and Spins of Warm Exoplanets
Context: The Solar System giant planets harbour a wide variety of moons. Moons around exoplanets are plausibly similarly abundant, even though most of them are likely too small to be […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
A Deep Search For Exomoons Around WISE 0855 With JWST
JWST is collecting time-series observations of many free-floating planets (FFPs) to study their weather, but these light curves are the ideal datasets to search for exomoons that transit the FFP […]
Posted inAstrochemistry, Astrogeology, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Callisto, Exoplanets, -moons, -comets, Ganymede, Icy Worlds, Imaging & Spectroscopy, Press Release
Webb Studies A Carbon-rich Moon-Forming Disk Around A Massive Planet
NASA’s James Webb Space Telescope has provided the first direct measurements of the chemical and physical properties of a potential moon-forming disk encircling a large exoplanet. The carbon-rich disk surrounding […]