[astro-ph.EP] Free-Floating Planets (FFPs) are a distinct class of exoplanets that do not orbit stars but are nevertheless found to be very common. A variety of formation mechanisms have been […]
Free-floating planets
Posted inAstrogeology, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Habitable Zones, Status Report, Water/Hycean Worlds & Oceanography
Habitability Of Tidally Heated H2-Dominated Exomoons Around Free-Floating Planets
Exomoons around free-floating planets (FFPs) can survive their host planet’s ejection. Such ejections can increase their orbital eccentricity, providing significant tidal heating in the absence of any stellar energy source.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Reconstructing The Free-floating Planet Mass Function With The Nancy Grace Roman Space Telescope
Free-floating planets comprise one of the most enigmatic populations of exoplanets in the Galaxy. Though ground-based observations point to a large abundance of these worlds, little is known about their […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
The TEMPO Survey II: Science Cases Leveraged from a Proposed 30-Day Time Domain Survey of the Orion Nebula with the Nancy Grace Roman Space Telescope
The TEMPO (Transiting Exosatellites, Moons, and Planets in Orion) Survey is a proposed 30-day observational campaign using the Nancy Grace Roman Space Telescope.
Posted inAstronomy & Telescopes, Brown Dwarfs, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
How Rare Are TESS Free-Floating Planets?
Recently, Kunimoto et al. claimed that a short-lived signal in the Transiting Exoplanet Survey Satellite (TESS) Sector 61 database was caused by a microlensing event with a terrestrial-mass free-floating planet […]
Posted inAstronomy & Telescopes, Brown Dwarfs, Exoplanets, -moons, -comets, Status Report
Searching For Free-Floating Planets with TESS: I. Discovery of a First Terrestrial-Mass Candidate
Though free-floating planets (FFPs) that have been ejected from their natal star systems may outpopulate their bound counterparts in the terrestrial-mass range, they remain one of the least explored exoplanet […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Interstellar, Status Report
On The Properties Of Free Floating Planets Originating In Circumbinary Planetary Systems
Free-floating planets are a new class of planets recently discovered. These planets don’t orbit within stellar systems, instead living a nomadic life within the galaxy.
Posted inAstronomy & Telescopes, Brown Dwarfs, Exoplanets, -moons, -comets, Interstellar, Status Report
Free-Floating Planets, Survivor Planets, Captured Planets and Binary Planets from Stellar Flybys
In star clusters, close stellar encounters can strongly impact the architecture of a planetary system or even destroy it.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Free-floating “Planets” In The Macrolensed Quasar Q2237+0305
It has been claimed that the variability of field quasars resembles gravitational lensing by a large cosmological population of free-floating planets with mass of about 10 Earths.
Posted inAstronomy & Telescopes, Europa, Imaging & Spectroscopy, Status Report
Constraints On Sub-terrestrial Free-floating Planets From Subaru Microlensing Oobservations
The abundance of protoplanetary bodies ejected from their parent star system is presently poorly-constrained. With only two existing optical observations of interstellar objects in the 108−1010 kg mass range and […]