EAGLE and Illustris-TNG predictions for resolved eROSITA X-ray observations of the circumgalactic medium around normal galaxies

@article{Oppenheimer2020EAGLEAI,
  title={EAGLE and Illustris-TNG predictions for resolved eROSITA X-ray observations of the circumgalactic medium around normal galaxies},
  author={Benjamin Darwin Oppenheimer and {\'A}kos Bogd{\'a}n and Robert A. Crain and John ZuHone and William R. Forman and Joop Schaye and Nastasha A. Wijers and Jonathan J. Davies and Christine Jones and Ralph P. Kraft and Vittorio Ghirardini},
  journal={arXiv: Astrophysics of Galaxies},
  year={2020}
}
  • Benjamin Darwin Oppenheimer, Ákos Bogdán, +8 authors Vittorio Ghirardini
  • Published 2020
  • Physics
  • arXiv: Astrophysics of Galaxies
  • We simulate stacked observations of nearby hot X-ray coronae associated with galaxies in the EAGLE and Illustris-TNG hydrodynamic simulations. A forward modeling pipeline is developed to predict 4-year eROSITA observations and stacked image analysis, including the effects of instrumental and astrophysical backgrounds. We propose an experiment to stack z~0.01 galaxies separated by specific star-formation rate (sSFR) to examine how the hot (T>=10^6 K) circumgalactic medium (CGM) differs for high… CONTINUE READING

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