activity
20242026
collaborators

10 papers

astro-ph.CO2026

HETDEX [OII] galaxies at : Volume-limited samples and their power spectra

Jeongin Moon, Eiichiro Komatsu, Robin Ciardullo +15

The catalog from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) Public Data Release 1 (PDR1) contains half a million emission-line-selected [OII] galaxies spread across…

astro-ph.GA2026

HETDEX Public Data Release 1: Source Catalog 2 and Data Cubes from ~90 sq deg of Integral-Field Optical Spectroscopy

Erin Mentuch Cooper, Karl Gebhardt, Dustin Davis +36

The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is a wide-field, integral-field spectroscopic survey designed to map the large-scale distribution of Lyman-alpha emitting…

astro-ph.GA2026

Enhancing Lyα Emitter Identification in HETDEX with a Convolutional Neural Network

Shiro Mukae, Erin Mentuch Cooper, Karl Gebhardt +9

We present a deep learning framework to enhance the identification of Ly emitters (LAEs) in the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX), an untargeted spectrosco…

astro-ph.GA2026

Emission-line Variable Active Galactic Nuclei at Cosmic Noon from HETDEX

Chenxu Liu, Fanchuan Kong, Erin Mentuch Cooper +11

We present the first statistical census of emission-line variable active galactic nuclei (EVA) at cosmic noon by combining untargeted and deep HETDEX spectroscopy with multi-epoch…

astro-ph.CO2026

Lyα Intensity Mapping in HETDEX: Galaxy-Lyα Intensity Cross-Power Spectrum

Maja Lujan Niemeyer, Eiichiro Komatsu, José Luis Bernal +18

We present a measurement of the Lyman- (Ly) intensity mapping power spectrum from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). We measure the cross-power spe…

astro-ph.GA2026

Lyα Nebulae in HETDEX: The Largest Statistical Census Bridging Lyα Halos and Blobs across Cosmic Noon

Erin Mentuch Cooper, Karl Gebhardt, Dustin Davis +20

The Hobby-Eberly Dark Energy Experiment (HETDEX) is an untargeted ~540 deg^2 spectroscopic survey of Lyα emission in the 1.9 < z < 3.5 Universe. In surface brightness, this survey…