Spectroscopic and photometric observations of luminous stars in the Centaurus-Norma (l = 305 - 340 ) section of the Milky Way.
Abstract
New observational data are presented for 111 luminous stars in the Centaurus-Norma region of the Milky Way. The new data include MK spectral types and UBV photometry. Key words: supergiants - MK spectral types - UBV photometry
- Publication:
-
Astronomy and Astrophysics Supplement Series
- Pub Date:
- January 1975
- Bibcode:
- 1975A&AS...19..243H