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astro-ph.SR2020
The Decline and Fall of the Youngest Planetary Nebula
Bruce Balick, Martín A. Guerrero, Gerardo Ramos-Larios
The Stingray Nebula, aka Hen3-1357, appeared for the first time in 1990 when bright nebular lines and radio emission that had not been observed before were unexpectedly discovered…
astro-ph.SR2020★ 20 cited
Rings and arcs around evolved stars. II. The Carbon Star AFGL 3068 and the Planetary Nebulae NGC 6543, NGC 7009 and NGC 7027
M. A. Guerrero, G. Ramos-Larios, J. A. Toala +2
We present a detailed comparative study of the arcs and fragmented ring-like features in the haloes of the planetary nebulae (PNe) NGC 6543, NGC 7009, and NGC 7027 and the spiral p…