The age of the Universe from a large sample of the oldest Galactic stars

Indranil Banik, Thenujaya Kudakolawa Kaluarachchige, Stephen Cookson +1

We estimate the age of the Universe using the Xiang & Rix sample of 247,103 Milky Way stars with high-resolution spectroscopy from LAMOST DR7 and $Gaia$ eDR3 parallaxes. Stellar ag…