High-significance kSZ detections for BGS and ELG tracers reveal low gas fractions near virial radii in BGS halos likely due to AGN feedback and higher gas fractions in ELG halos suggesting weaker feedback.
Hadzhiyskaet al., Phys
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Precision Kinematic Sunyaev--Zel'dovich Measurements Across Halo Mass and Redshift with DESI DR2 and ACT DR6: Part II. Bright Galaxy Survey and Emission-Line Galaxies
High-significance kSZ detections for BGS and ELG tracers reveal low gas fractions near virial radii in BGS halos likely due to AGN feedback and higher gas fractions in ELG halos suggesting weaker feedback.