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The planetary nebula Abell 48 and its [WN] nucleus
David J. Frew, Ivan S. Bojicic, Q. A. Parker +6
We have conducted a detailed multi-wavelength study of the peculiar nebula Abell 48 and its central star. We classify the nucleus as a helium-rich, hydrogen-deficient star of type…
The planetary nebula Abell 48 and its [WN4] central star
I. S. Bojicic, D. J. Frew, Q. A. Parker +3
We have conducted a multi-wavelength study of the planetary nebula Abell 48 and give a revised classification of its nucleus as a hydrogen-deficient star of type [WN4]. The surroun…
Newly Discovered Wolf-Rayet and Weak Emission-Line Central Stars of Planetary Nebulae
Kyle DePew, Quentin A. Parker, Brent Miszalski +5
We present spectra of 32 previously unpublished confirmed and candidate Wolf-Rayet ([WR]) and weak emission-line (WELS) central stars of planetary nebulae (CSPNe). Eighteen stars h…
Wolf-Rayet Central Stars of Planetary Nebulae: Their Evolution and Properties
Kyle DePew, David J. Frew, Quentin A. Parker +1
Over the past decade, the number of planetary nebula central stars (CSPN) known to exhibit the Wolf-Rayet (WR) phenomenon has grown substantially. Many of these discoveries have re…