3 papers
astro-ph.GA2026
SDSS-V LVM: Revealing the Physical and Chemical Structure of the Helix Nebula
R. Orozco-Duarte, J. E. Méndez-Delgado, J. A. Toalá +27
We present the first spatially contiguous study of the physical and chemical structure of the Helix Nebula (NGC~7293, PNG 036.1-57.1) based on integral-field spectroscopy from the…
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…
astro-ph.SR2024
The Hidden Clumps in VY CMa Uncovered by ALMA
Roberta M. Humphreys, A. M. S. Richards, Kris Davidson +3
The red hypergiant VY CMa is famous for its very visible record of high mass loss events. Recent CO observations with ALMA revealed three previously unknown large scale outflows (P…