The primordial deuterium abundance: subDLA system at $z_{\mathrm{abs}}=2.437$ towards the QSO J1444+2919

S. A. Balashev, E. O. Zavarygin, A. V. Ivanchik +2

We report a new detection of neutral deuterium in the sub Damped Lyman Alpha system with low metallicity [O/H]\,=\,$-2.042\pm 0.005$ at $z_{\mathrm{abs}}=2.437$ towards QSO~J\,1444$+$2…