Astrophysics (index)about

G-dwarf problem

(lack of metal-poor G dwarfs in the Milky Way)

The G-dwarf problem is that fewer G-type stars with low metallicity are observed in the Milky Way than theories of galaxy formation and evolution imply there would be. G-class stars have a sufficiently long main-sequence lifetime that early-generation examples with low metallicity should still be present.

Some observations of other galaxies suggest the problem is also present regarding them.


(stars,metallicity)
https://encyclopedia2.thefreedictionary.com/G-dwarf+problem
http://www.simondriver.org/Teaching/PHYS4XXX/ce11c.pdf
https://ned.ipac.caltech.edu/level5/Sept04/Henry/Henry4_3.html
https://arxiv.org/abs/0712.1985

index