19 citations · 26 across the 8 of their papers we have counts for
4 papers · 1 filter
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…
Whither or wither the Sulfur Anomaly in Planetary Nebulae?
Shuyu Tan, Quentin Parker
We present a thorough investigation of the long standing sulfur anomaly enigma. Our analysis uses chemical abundances from the most extensive dataset available for 126 planetary ne…
Detailed studies of IPHAS sources -- III. The highly extinguished bipolar planetary nebula IPHASX J191104.8060845
J. B. Rodríguez-González, L. Sabin, J. A. Toalá +6
We present the first detailed study of the bipolar planetary nebula (PN) IPHASX J191104.8060845 (PN G040.601.5) discovered as part of the Isaac Newton Telescope Photometric H…
Planetary nebulae and how to find them: A concise review
Quentin A. Parker
This review provides useful background and information on how we find, vet and compile Planetary Nebulae (PNe) candidates and verify them. It presents a summary of the known Galact…