We present the first Active Galactic Nuclei (AGN) catalog in the Hobby-Eberly Telescope Dark Energy Experiment Survey (HETDEX) observed between January 2017 and June 2020. HETDEX is an ongoing spectroscopic survey with no pre-selection based on magnitudes, colors or morphologies, […]

“The hundreds of billions of galaxies it contains, each of them home to billions of stars, planets, and moons as well as massive star-and-planet-forming clouds of gas and dust, and all of the visible light and other energy we can […]

Three years into its quest to reveal the nature of dark energy, the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is on track to complete the largest map of the cosmos ever. The team will create a three-dimensional map of 2.5 […]

Sophisticated set of mirrors will sharpen, widen HET’s view of the sky. The “crown jewels” of the Hobby-Eberly Telescope upgrade — a set of four mirrors designed to sharpen the view to pinpoint precision — have been installed on the […]

Project team prepares to test scientific instruments After several years and a massive team effort, the upgraded Hobby-Eberly Telescope has achieved “first light,” taking its first images of the sky — a critical step on the path to beginning HETDEX […]

Astronomers and friends re-dedicated the giant telescope in a ceremony at McDonald Observatory The upgraded Hobby-Eberly Telescope is “one of the best tools in the world for us to unlock the mysteries of the universe,” McDonald Observatory Director Taft Armandroff […]