Spectral Classes for Main Sequence Stars ( (table))
Spectral Classes for Main Sequence Stars
Characteristics of Spectral Classes for Main Sequence Stars | |||||||||
Class | Color | Surface Temperature | Strong Lines | ||||||
O | blue-white | 35,000°C | ionized helium | ||||||
B | blue-white | 21,000°C | helium | ||||||
A | white | 10,000°C | hydrogen | ||||||
F | creamy | 7,000°C | ionized calcium | ||||||
G | yellow | 6,000°C | calcium | ||||||
K | orange | 4,500°C | titanium oxide | ||||||
M | red | 3,000°C | titanium oxide |
More From encyclopedia.com
Hertzsprung-russell Diagram , Hertzsprung-Russell Diagram
A Hertzsprung-Russell diagram, or HR diagram, is a graph of stellar temperatures (plotted on the horizontal axis) and lum… Stellar Evolution , In astrophysics and cosmology , stellar evolution refers to the life history of stars that is driven by the interplay of internal pressure and gravit… Stars And Stripes , Stars and Stripes •apse, collapse, craps, elapse, lapse, perhaps, schnapps •prolapse • synapse • Lesseps •quadriceps •biceps, triceps •forceps •traip… Nova , Nova is a Latin word meaning new, and it describes the appearance of a seemingly new star in the sky, a brilliant object in a place where there was p… Dog Star , Sirius
Sirius (sĬr´ēəs), or Dog Star, brightest star in the sky. It is located in the constellation Canis Major (1992 position R.A. 6h44.8m, Dec. -16… Canopus , Skip to main content
Canopus
Canopus (in astronomy)
Canopus, in astronomy, 2d brightest star in the sky, located in the constellation Carina, which i…
About this article
Spectral Classes for Main Sequence Stars ( (table))
You Might Also Like
NEARBY TERMS
Spectral Classes for Main Sequence Stars ( (table))