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.
  2. (astronomy) Ellipsis of TRGB star (a star in this classification).

Coordinate terms

Derived terms

  • TRGB population
  • TRGB star

Further reading