Astrophysics (index)about

Y-Type Star

(Y, Y-Class Star, Y Dwarf)
(type of dwarf with a temperature less than 700K)

A Y-Type Star (Y-Class Star or Y Dwarf) is a star in the Y-Class, a Spectral Class for Brown Dwarves cooler than T-Type Stars. Other than that, their spectra is not well-characterized. As of 2011, six bodies are known that fit the criteria. Characteristics:

Dark brownconventional color
under 700KSurface Temperature

(star type,spectral type)

Referenced by:
Brown Dwarf (BD)
Spectral Class
Ultracool Dwarf