Stellar Classification

Stellar Classification is the process by which Starfleet categorizes the stars that are encountered in the galaxy. Features such as coloring, size, and surface temperature are all essential components of the process.

Class Color Composition Example
A Light Blue Hydrogen and ionized metals Sirius A
B Blue Helium and hydrogen Alpha Eridani A
F White Hydrogen and ionized metals, calcium, and iron Procyon
G Yellow Ionized calcium, both neutral and ionized metals Sol
K Orange Neutral metals Alpha Centauri
M Red Ionized atoms, especially helium Wolf 359
O Dark Blue Ionized atoms Mintaka

Real World


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