Sharpless 176: a large, nearby planetary nebula.
Abstract
Summary. Spectroscopic and photometric investigations on S 176 indicate that this nebula is a Planetary Nebula with a radius of 0.40 pe at a distance of 140 pc. Its central star is a blue subdwarf with Mv = +5.7. Key words: line intensities - planetary nebulae
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- August 1977
- Bibcode:
- 1977A&A....60..147S