3 papers
astro-ph.SR2026
The unique capabilities of HST for stellar physics: Probing Atmospheric Structure, Chromospheres, and Mass Loss of Evolved Stars
Maryam Saberi, Graham Harper, Jacco Th. van Loon +10
Evolved stars are among the primary sources of chemical enrichment and dust production in galaxies. During the giant phases, stars return a substantial fraction of their mass to th…
astro-ph.SR2025
Red Supergiants -- The Other Side of the H-R Diagram
Roberta M. Humphreys
Red supergiants are the largest stars known with some of the highest mass loss rates observed. They are the final stage in the evolution of the majority of massive stars. The unexp…
astro-ph.SR2025
The Infrared-Bright SW Knots in the Complex Ejecta of VY CMa
Roberta M. Humphreys, Terry J. Jones, Kris Davidson +4
The red hypergiant VY CMa is remarkable for its very visible record of high mass loss events observed over the range of wavelengths from the optical and infrared to the submillimet…