(Abridged) We search for evidence of star-planet magnetic interactions in the nearby Proxima Centauri planetary system using high-quality, high-spectral-resolution optical observations.
Proxima Centauri
Posted inAlpha Centauri, Biosignatures & Paleobiology, Cubesats and smallsats, Exoplanets, -moons, -comets, Gaia Mission, Habitable Zones, Interstellar, Missions & Hardware, Proxima Centauri, Status Report
Science From The In Situ Exploration Of Tthe Proxima Centauri System
In the future interstellar exploration at near-relativistic speeds will be possible using beamed energy laser propulsion.
Posted inAI - Data - Apps - Cybernetics, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Gaia - Planetary Perspectives, Habitable Zones, Proxima Centauri, Status Report, TRAPPIST-1, Water/Hycean Worlds & Oceanography
Ecological Modelling Of Hycean Worlds
New observations are opening the possibility of characterising habitable environments in exoplanetary systems, with the recent example of the candidate hycean world K2-18 b.
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Gaia Mission, Imaging & Spectroscopy, Proxima Centauri, Status Report, Stellar Cartography
Astrometric Reconnaissance of Exoplanetary Systems (ARES). I. Methodology Validation With HST Point-source Images Of Proxima Centauri
We present the first results of the Astrometric Reconnaissance of Exoplanetary Systems (ARES) project, aimed at validating and characterizing candidate exoplanets around the nearest systems using multi-epoch Hubble Space Telescope […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Missions & Hardware, Press Release, Proxima Centauri
Conclusive Tests For The RISTRETTO Proxima b Exoplanet Explorer
The RISTRETTO project, dedicated to observing Proxima b –the closest exoplanet to the Solar System — is reaching a new milestone: several key components of this high-precision spectrograph have been […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release, Proxima Centauri, Saturn, tau Ceti, Uranus
On the Detection Of Exorings in Reflected Light With JWST NIRCam
When directly imaging a cold giant exoplanet hosting a ring system, the reflected light from the rings can outshine the planet’s thermal emission and reflected-light in the near-infrared.
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Proxima Centauri, Status Report
Simulating RISTRETTO: Proxima b Detectability In Reflected Light
The characterization of exoplanet atmospheres is one of the key topics in modern astrophysics. To date, transmission spectroscopy has been the primary method used, but upcoming instruments will lay the […]
Posted inAlpha Centauri, Astronomy & Telescopes, Exoplanets, -moons, -comets, Gas Giants, Habitable Zones, Imaging & Spectroscopy, Press Release
Webb Finds New Evidence For A Large Planet Orbiting in The Habitable Zone Of Alpha Centauri A
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have found strong evidence of a giant planet orbiting a star in the stellar system closest to our own Sun. At just […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release, Proxima Centauri
The IAC Leads The First Scientific Results Of NIRPS, The New Infrared Exoplanet Hunter
The new infrared spectrograph NIRPS, built with the participation of the Instituto de Astrofísica de Canarias (IAC) and installed on the 3.6-metre telescope at ESO’s La Silla Observatory in Chile, […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Proxima Centauri, Status Report
Near-InfraRed Planet Searcher (NIRPS) Joining HARPS At ESO 3.6 m. On-sky Performance And Science Objectives
The Near-InfraRed Planet Searcher (NIRPS) is a high-resolution, high-stability near-infrared (NIR) spectrograph equipped with an AO system.