Planetary nebulae with Wolf-Rayet-type central stars -- IV. NGC 1501 and its mixing layer

G. Rubio, J. Toalá, H. Todt +4

Theory predicts that the temperature of the X-ray-emitting gas ($\sim$10${}^6$ K) detected from planetary nebulae (PNe) is a consequence of mixing or thermal conduction when in con…