What does OBAFGKM stand for?
What does OBAFGKM mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: OBAFGKM.
What does OBAFGKM mean?
- Stellar classification Most stars are currently classified under the Morgan-Keenan (MK) system using the letters O, B, A, F, G, K, and M, a sequence from the hottest (O type) to the coolest (M type).