The HETDEX Survey: The Ly$\alpha$ Escape Fraction from 3D-HST Emission Line Galaxies at $z\sim 2$

Laurel H. Weiss, William P. Bowman, Robin Ciardullo +13

We measure the Ly$\alpha$ escape fraction of 935 [OIII]-emitting galaxies between $1.9<z<2.35$ by comparing stacked spectra from the Hubble Space Telescope/WFC3's near-IR grism to c…