The Pristine survey -- XXII. A serendipitous discovery of an extremely Li-rich very metal-poor giant and a new method of ${}^6$Li/${}^7$Li isotope measurement

T. M. Sitnova, T. Matsuno, Z. Yuan +5

We report the serendipitous discovery of a very metal-poor (VMP) Li-rich giant star ($T_{\mathrm{eff}}$ = 4690$\pm$80 K, log g = 1.34$\pm$0.13, [Fe/H] = $-2.43\pm$0.07). We analyse the…