2 papers
astro-ph.GA2025
HST Observations within the Sphere of Influence of the Powerful Supermassive Black Hole in PKS0745-191
Julie Hlavacek-Larrondo, Hyunseop Choi, Minghao Guo +18
We present Space Telescope Imaging Spectrograph observations from the Hubble Space Telescope of the supermassive black hole (SMBH) at the center of PKS0745-191, a brightest cluster…
astro-ph.GA2024
Direct Images of the Cosmic Web of Intergalactic and Circumgalactic Gas in the Distant Universe
Kenneth M. Lanzetta, Stefan Gromoll, Michael M. Shara +5
Most of the baryonic matter of the Universe resides in a highly-ionized gaseous intergalactic medium. This gas flows along dark-matter filaments toward galaxy superclusters, cluste…