[astro-ph.EP] We report the discovery of β Pictoris d (β Pic d), a third giant planet in the β Pictoris system, which now becomes only the second directly imaged system […]
Astronomy & Telescopes
Posted inExoplanets, -moons, -comets
C,N,O,S, And Photochemistry In A Temperate Giant Planet Orbiting A Late M Dwarf
[astro-ph.EP] We report the JWST NIRSpec/PRISM transit spectrum of TOI-6894b, an exceptional 420 K sub-Saturn that is the only known giant planet transiting a late M dwarf. Remarkably, both the […]
Posted inExoplanets, -moons, -comets
Ultra-Precise Astrometric Search For Exoplanets With SKA-VLBI
[astro-ph.EP] The study of exoplanets is a rapidly developing field, driven by the discoveries of Kepler and TESS, among others. The recent detection of Jovian planetary companions of low-mass stars […]
Posted inAstrochemistry
Charge Transfer From Ammonia Neutralizes Propylene Oxide Cations: Implications For The Astrochemistry Of Chiral Molecules
[astro-ph.GA] To date only one chiral species, propylene oxide, has been observed in the interstellar medium but little is known about the chemistry that leads to a detectable abundance of […]
Posted inExoplanets, -moons, -comets
A New Earth-like Exoplanet Discovered
[UC Irvine] A team led by astronomers at the University of California, Irvine reports the discovery of a new Earth-like exoplanet orbiting a star about 25 light-years from our solar […]
Posted inAstrochemistry
Astrochemical Study of Early Embedded Discs
[astro-ph.SR] The question of how our planet was formed and, more generally, how a planetary system forms is fundamental and has been addressed in a broad range of research domains. […]
Posted inExoplanets, -moons, -comets
Free Floating Exoplanets or Merely Detached?
[Astrophysical Journal] Microlensing surveys suggest the presence of a surprisingly large population of free-floating planets, with a rate of about two Neptunes per star.
Posted inAstrobiology (general)
Indigenizing The Drake Equation: How Indigenous Methods Can Help Us Understand Life In The Milky Way Galaxy
[astro-ph.IM] The Drake Equation is a thought experiment whose purpose is to understand the ingredients necessary for life and advanced technological civilizations to exist on other worlds in our galaxy.
Posted inAstrochemistry
Theoretical and Experimental IR Spectra of Astronomical PAHs and PANHs in the 2000–1650 cm–1 Range (∼5–6 μm)
[ACS Earth and Space Chemistry] Recent James Webb Space Telescope observations reveal unprecedented details in the 2000–1650 cm–1 (∼5–6 μm) region, including the well-known 5.25 and 5.75 μm bands.
Posted inAstrochemistry
Theoretical Determination Of The Binding Energies Of Methanol And Related Species Onto Amorphous Solid Water Ice
[astro-ph.GA] The formation and survival of complex organic molecules (COMs) in cold interstellar environments depends on their interactions with icy dust grain surfaces.