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Diffuse X-rays in Studying the Multiphase Astrophysics of the Milky Way’s Outflow
Dr. Heshou Zhang
INAF-Osservatorio Astronomico di Brera
Flagship results: H. Zhang et al. 2024 Nature Astronomy, Vol. 8, 1416-1428 (Link)
The paper is highlighted by Nature Astronomy as Research Briefing of the month!
Motivation
Motivation
The Milky Way harbours multi-phase Outflows. This project is to understand the physical properties of
the recently discovered "eROSITA Bubbles".
Non-thermal outflows of the Milky Way
Non-thermal outflows of the Milky Way
Multi-wavelength comparison shows that the eROSITA Bubbles have synchrotron and gamma-ray emitting counterparts.
Distance measurements to magnetic filaments in the halo
Distance measurements to magnetic filaments in the halo
Using Faraday Rotation Depolarization, the distance to the synchrotron emitting structures can be measured!
"Outer outflows"
"Outer outflows"
While the Fermi Bubbles connects to the Galactic Center, the magnetic fields in outer eROSITA Bubbles connect to the 3-5 kpc star-forming ring.
SED
SED
We use multi-wavelength spectral energy distribution analysis to study the physical parameters of the Galactic halo.
Contact
Contact
Dr. Heshou Zhang (INAF-OAB, Italy)
heshouzhang.astrophy@gmail.com
Acknowledgement
The "X-ristMAs" project is supported by "Seal of Excellence" under the National Recovery and Resilience Plan (PNRR), Mission 4, Component 2, Investment 1.2 – Italian Ministry of University and Research (MUR), funded by the European Union – NextGenerationEU.
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