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QUENCHED COLD ACCRETION OF A LARGE-SCALE METAL-POOR FILAMENT DUE TO VIRIAL SHOCKING IN THE HALO OF A MASSIVE<i>z</i>= 0.7 GALAXY
Using HST/COS/STIS and HIRES/Keck high-resolution spectra, we have studied a remarkable H i absorbing complex at z = 0.672 toward the quasar Q1317+277. The H i absorption has a velocity spread of Δv = 1600 km s−1, comprises 21 Voigt profile components, and resides at an impact parameter of D …