Deuterium chemistry of dense gas in the vicinity of low-mass and massive star forming regions

Zainab Awad, Serena Viti, Estelle Bayet +1

The standard interstellar ratio of deuterium to hydrogen (D/H) atoms is $\sim 1.5\times 10^{-5}$. However, the deuterium fractionation is in fact found to be enhanced, to differen…