The Spectrum of HM Sagittae: A Planetary Nebula Excited by a Wolf-Rayet Star
Abstract
- Publication:
-
Astrophysical Letters
- Pub Date:
- 1978
- Bibcode:
- 1978ApL....19...75B
- Keywords:
-
- Astronomical Photometry;
- Astronomical Spectroscopy;
- Early Stars;
- Planetary Nebulae;
- Wolf-Rayet Stars;
- Emission Spectra;
- Line Spectra;
- Astrophysics