3 papers
astro-ph.SR2024
ALMA Observations of Molecular Line Emission from High-excitation Bipolar Planetary Nebulae
Paula Moraga Baez, Joel H. Kastner, Jesse Bublitz +7
We present early results from our program of ALMA Band 6 (1.3mm) molecular line mapping of a sample of nearby, well-studied examples of high-excitation, bipolar/pinched-waist and m…
astro-ph.SR2024
The Molecular Exoskeleton of the Ring-like Planetary Nebula NGC 3132
Joel H. Kastner, David Wilner, Paula Moraga Baez +4
We present Submillimeter Array (SMA) mapping of CO , CO , and CN emission from the Ring-like planetary nebula (…
astro-ph.SR2023
NGC 6302: The Tempestuous Life of a Butterfly
Bruce Balick, Lars Borchert, Joel H. Kastner +4
NGC 6302 (The ''Butterfly Nebula'') is an extremely energetic bipolar nebula whose central star is among the most massive, hottest, and presumably rapidly evolving of all central s…