TRGB

English

Noun

TRGB (countable and uncountable, plural TRGBs)

1. (astronomy) Initialism of Tip of the Red Giant Branch.; A classification of stars on the Hertzsprung-Russell diagram for all stellar populations or of a given sample set, the end of the plot for stars existing on the red giant branch as it branches off from the main sequence.

   Coordinate terms: star, red giant, red giant star, giant star, red giant branch

Derived terms

• TRGB population
• TRGB star

 

Further reading

• Tip of the red giant branch on Wikipedia.Wikipedia