activity
19992026
most citedHST Measurements of the Expansion of NGC 6543: Parallax Distance and Nebular Evolution

76 citations · 316 across the 16 of their papers we have counts for

collaborators

16 papers

astro-ph.SR2026

The Last Gasps of a Dying Star: ALMA Observations of the Pre-Planetary Nebula IRAS 06530-0213

Raghvendra Sahai, Wouter Vlemmings, Guillermo Quintana-Lacaci +16

We present high angular-resolution () ALMA observations of millimeter-wave line and continuum emission (at and mm) in the pre-planetary ne…

astro-ph.SR2026★ 1 cited

Current Unsolved Problems in Planetary Nebulae Research

Sun Kwok, Bruce Balick, You-Hua Chu +5

While there has been significant progress in our understanding of the origin and evolu-tion of planetary nebulae in the last 50 years, there remain several unsolved problems. These…

astro-ph.SR2026★ 2 cited

Appraising the Necklace: A post-common-envelope carbon dwarf inside an apparently carbon-poor planetary nebula

David Jones, Romano L. M. Corradi, Gustavo A. García Pérez +15

Context: The Necklace nebula is a bipolar, post-common-envelope planetary nebula, the central star of which has been shown to have a dwarf carbon star companion. Aims: We aim to un…

astro-ph.GA2025

Probing the Molecular Hearts of Extreme Bipolar Planetary Nebulae with ALMA

Paula Moraga Baez, Joel H. Kastner, Jesse Bublitz +6

We present results from a program of Atacama Large Millimeter Array (ALMA) 1.3 mm (Band 6) molecular line mapping of a sample of nearby, bipolar/pinched-waist, molecule-rich PNe (N…

astro-ph.GA2025

Detection of CH3+ in the O-rich planetary nebula NGC 6302

Charmi Bhatt, Jan Cami, Els Peeters +33

Planetary nebulae are sites where ejected stellar material evolves into complex molecules, but the precise physical conditions and chemical routes that govern these processes are u…

astro-ph.GA2025

JWST/NIRCam imaging of the Bipolar Planetary Nebula NGC 6537: the (Infra)red Spider, Revealed

Joel Kastner, Paula Moraga Baez, Bruce Balick +5

We present James Webb Space Telescope (JWST) near-infrared (NIRCam) Br, H, [Fe II], and PAH imaging of the molecule-rich, high-excitation bipolar planetary nebula (PN) NGC 6…