The FLASHES Survey. I. Integral Field Spectroscopy of the CGM around 48 z 2.3-3.1 QSOs

We present the pilot study of the Fluorescent Lyman-Alpha Structures in High-z Environments Survey; the largest integral field spectroscopy survey to date of the circumgalactic medium at z = 2.3-3.1. We observed 48 quasar fields with the Palomar Cosmic Web Imager to an average (2 ) limiting surface...

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