3 papers
astro-ph.GA2026
Infrared Spectroscopy of Cyanonaphthalenes under Interstellar Relevant Conditions and Their Potential Connection with Astronomical Aromatic Infrared Bands
Jiaqi Xin, Jianzhi Xu, Piero Ferrari +1
Context. Aromatic infrared bands (AIBs) are widely observed in diverse astrophysical environments and are generally attributed to vibrational emission from polycyclic aromatic hydr…
astro-ph.EP2026
Three outstanding physical questions for K2-18 b and other temperate sub-Neptunes
Shang-Min Tsai, Piero Ferrari, Mats Kuipers +7
Recent transmission spectra of the temperate sub-Neptune K2-18 b obtained with JWST have attracted significant attention. Debates have quickly arisen over the interpretation of the…
astro-ph.EP2025
A Comprehensive Reanalysis of K2-18 b's JWST NIRISS+NIRSpec Transmission Spectrum
Stephen P. Schmidt, Ryan J. MacDonald, Shang-Min Tsai +13
Sub-Neptunes are the most common type of planet in our galaxy. Interior structure models suggest that the coldest sub-Neptunes could host liquid water oceans underneath their hydro…