3 papers
astro-ph.GA2026
When Stars Mimic Monsters: Spectral Evidence for an Carinae-like Giant Eruption in SBS 0335052 E
Zixuan Peng, Crystal L. Martin, Jiamu Huang +7
SBS 0335052 E is an extremely low-metallicity () blue compact dwarf galaxy. An active galactic nucleus has been proposed to explain the broad H emissio…
astro-ph.EP2026
Helium escape in context: Comparative signatures of four close-in exoplanets
Anna Ruth Taylor, Tommi T. Koskinen, Chenliang Huang +2
Observations of escaping atmospheres on close-in exoplanets show a wide range in the strength and morphology of He I 10830 A and H I absorption. Scaling relations attempt to link t…
astro-ph.EP2025
A Multi-Species Atmospheric Escape Model with Excited Hydrogen and Helium: Application to HD209458b
Anna Ruth Taylor, Tommi T. Koskinen, Luca Argenti +4
Atmospheric escape shapes exoplanet evolution and star-planet interactions, with He I 10830 Ã absorption serving as a key tracer of mass loss in hot gas giants. However, transit de…