Completing the Hydrogen Census in the Circumgalactic Medium at z~0
D. J. Pisano,
A. Fox,
D. French
et al.
Abstract:Over the past decade, Lyman-α and metal line absorption observations have established the ubiquity of a gas-rich circumgalactic medium (CGM) around star-forming galaxies at z∼0.2 potentially tracing half of the missing baryonic mass within galaxy halos. Unfortunately, these observations only provide a statistical measure of the gas in the CGM and do not constrain the spatial distribution and kinematics of the gas. Furthermore, we have limited sensitivity to Lyman-α at z∼0 with existing instruments. As such, we… Show more
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