Constraining the geometry of the gas surrounding a typical galaxy at z = 3.4 with Lyα polarization
A. Bolamperti
,
S.-J. Chang
,
J. Vernet
,
A. Zanella
,
M. Gronke
,
F. Arrigoni Battaia
,
F. Calura
,
E. Iani
,
E. Vanzella
,
Max Gronke
Abstract
Lyman-α (Lyα) emission is the intrinsically strongest tracer of recombining ionized hydrogen in young star-forming galaxies, but its origin is still debated. Lyα arises when emitted photons scatter in neutral hydrogen, with each scattering event changing their propagation directi...