The spectacular outbursts of energy associated with supernovae (SNe) have long motivated research into their potentially hazardous effects on Earth and analogous environments.
Astronomy & Telescopes
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
Ground-based Optical Transmission Spectroscopy of the Nearby Terrestrial Exoplanet LTT 1445Ab
Nearby M dwarf systems currently offer the most favorable opportunities for spectroscopic investigations of terrestrial exoplanet atmospheres.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Press Release
TFAW survey II: 6 Newly Validated Planets And 13 Planet Candidates From K2
Searching for Earth-sized planets in data from Kepler’s extended mission (K2) is a niche that still remains to be fully exploited.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
Hubble WFC3 Spectroscopy of the Rocky Planet L 98-59 b: No Evidence for a Cloud-Free Primordial Atmosphere
We are using archived data from HST of transiting exoplanet L~98-59~b to place constraints on its potentially hot atmosphere.
Posted inAstronomy & Telescopes, Beta Pictoris, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
Likelihood Ratio Map For Direct Exoplanet Detection
Direct imaging of exoplanets is a challenging task due to the small angular distance and high contrast relative to their host star, and the presence of quasi-static noise.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
A Transmission Spectrum Of The Sub-Earth Planet L98-59~b In 1.1-1.7 μm
With the increasing number of planets discovered by TESS, the atmospheric characterization of small exoplanets is accelerating. L98-59 is a M-dwarf hosting a multi-planet system, and so far, four small […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
Planetary System Around LTT 1445A Unveiled By ESPRESSO: Multiple Planets In A Triple M-dwarf System
We present radial velocity follow-up obtained with ESPRESSO of the M-type star LTT 1445A (TOI-455), for which a transiting planet b with an orbital period of~5.4 days was detected by […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Press Release, Water/Hycean Worlds & Oceanography
Water Worlds Could Be Common
Research led by the University of Chicago and the Instituto de Astrofísica de Canarias (IAC) has shown the existence of exoplanets with water and rock around type M dwarf stars, […]
Posted inAstrochemistry, Astronomy & Telescopes, Imaging & Spectroscopy, Press Release
PAH Emission From Star-forming Galaxies In JWST Mid-infrared Imaging Of The Lensing Cluster SMACS J0723.3−7327
The mid-infrared spectra of star-forming galaxies (SFGs) are characterized by characteristic broad PAH emission features at 3−20 μm.
Posted inAstronomy & Telescopes, Press Release, SETI & Technosignatures
First Coordinated Green Bank Telescope/Allen Telescope Array Observes Possible Source of the WOW! Signal
In May 2022, the International Journal of Astrobiology published a paper suggesting a candidate source of the WOW! Signal: a possible Sun-like star in the Gaia Archive, 2MASS 19281982-2640123, located […]