57 citations · 274 across the 14 of their papers we have counts for
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astro-ph.SR2013★ 57 cited
The evolution of planetary nebulae. VIII. True expansion rates and visibility times
R. Jacob, D. Schoenberner, M. Steffen
The visibility time of planetary nebulae (PNe) in stellar systems is an essential quantity for estimating the size of a PN population in the context of general population studies.…
astro-ph.GA2013★ 35 cited
Diffuse X-ray Emission from Planetary Nebulae with Nebular O VI
N. Ruiz, Y. -H. Chu, R. A. Gruendl +4
The presence of O VI ions can be indicative of plasma temperatures of a few times 10^5 K that is expected in heat conduction layers between the hot shocked stellar wind gas at seve…