Lyman-alpha emitters in a cosmological volume II: the impact of the intergalactic medium

Understand

In the near future galaxy surveys will target Lyman alpha emitting galaxies (LAEs) to unveil the nature of the dark energy.

• It has been suggested that the observability of LAEs is coupled to the large scale properties of the intergalactic medium.
• Such coupling could introduce distortions into the observed clustering of LAEs, adding a new potential difficulty to the interpretation of upcoming surveys.
• We present a model of LAEs that incorporates Lyman-alpha radiative transfer processes in the interstellar and intergalactic medium.