Search Publications

Spectrum and Chemical Composition of the Remarkable Planetary Nebula NGC 6537

Czyzak, S. J.; Aller, Lawrence H.; Keyes, C. D. +1 more

Observations with the image tube scanner at the Shane 3-m telescope are combined with data obtained with the International Ultraviolet Explorer to assess the spectrum of the remarkable high-excitation planetary nebula NGC 6537. We have analyzed the spectrum of this nitrogen-rich object with the aid of the theoretical nebular models. The models per…