Confirming the Detection of two WHIM Systems along the Line of Sight to 1ES 1553+113

2018/11/08 by Nicastro, F.
#Astrophysics of Galaxies (astro-ph.GA) #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences

paper · doi:10.48550/arxiv.1811.03498

Abstract

We present a re-analysis, with newly acquired atomic data, of the two detections of two highly ionized intervening OVII absorbers reported by Nicastro and collaborators (2018). We confirm both intervening Warm-Hot Intergalactic Medium OVII detections, and revise statistical significance and physical parameters of the absorber at z=0.4339 in light of its partial contamination by Galactic interstellar medium NII Kα absorption.

Related

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• XMM-Newton RGS and Chandra LETGS observations of the WHIM in 1ES 1028+511