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Browsing by Author "Ubertosi, F."

Browsing by Author "Ubertosi, F."

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  • The Deepest Chandra View of RBS 797: Evidence for Two Pairs of Equidistant X-ray Cavities 
    Ubertosi, F.; Gitti, M.; Brighenti, F.; Brunetti, G.; McDonald, M.; Nulsen, Paul; McNamara, B.; Randall, Scott; Forman, William; Donahue, M.; Ignesti, A.; Gaspari, M.; Ettori, S.; Feretti, L.; Blanton, E. L.; Jones, C.; Calzadilla, M. (2021)
    We present the first results of a deep Chandra observation of the galaxy cluster RBS 797 whose previous X-ray studies revealed two pronounced X-ray cavities in the east-west (E-W) direction. Follow-up VLA radio observations ...
  • Multiple Shock Fronts in RBS 797: The Chandra Window on Shock Heating in Galaxy Clusters 
    Ubertosi, F.; Gitti, M.; Brighenti, F.; McDonald, M.; Nulsen, P.; Donahue, M.; Brunetti, G.; Randall, Scott; Gaspari, M.; Ettori, S.; Calzadilla, M.; Ignesti, A.; Feretti, L.; Blanton, E. L. (2023)
    Using ~427 ks of Chandra observations, we present a study of shock heating and intracluster medium (ICM) cooling in the galaxy cluster RBS 797. We discover three nested pairs of weak shocks at roughly 50, 80, and 130 kpc ...
  • Waking the monster: The onset of AGN feedback in galaxy clusters hosting young central radio galaxies 
    Ubertosi, F.; Gitti, M.; Brighenti, F.; Olivares, V.; O'Sullivan, Ewan; Schellenberger, G. (2023)
    Aims: The investigation of the feedback cycle in galaxy clusters has historically been performed for systems where feedback is ongoing ("mature-feedback" clusters), that is where the central radio galaxy has inflated radio ...

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