The HETDEX instrumentation: Hobby-Eberly Telescope wide field upgrade and VIRUS (Astronomical Journal, 2021)

(untitled) - Hill, GJ; Lee, H; MacQueen, PJ; Kelz, A; Drory, N; Vattiat, BL; Good, JM; Ramsey, J; Kriel, H; Peterson, T; DePoy, DL; Gebhardt, K; et al.