Boron in the Extreme Pop II Star HD 140283 and the Production of Light Elements in the Early Galaxy

B. Edvardsson, B. Gustafsson, S. G. Johansson +4

Using observations of the 2496.7 A B I line with the HST GHRS at a nominal resolution of 90,000, we have found the abundance of boron of HD 140283 to be log epsilon_B (= 12 + log (…