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F-type Stars

Bright or Pale Yellow Stars, Calcium Stars

A spectral classification used of stars lying between the cooler 'true' yellow stars of G-type, and the hotter A-type white stars. They are typically referred to as bright yellow or pale yellow in colour.

Procyon in Canis Minor is the closest F-type star to the Solar System, and also the brightest example in Earth's sky. This is a bright yellow F-type subgiant star just 11.5 light years from the Sun (and in fact this is a binary system, which also contains a white dwarf in addition to the F-type primary). Imagery provided by Aladin sky atlas


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