Hot Gas Outflow Properties of the Starburst Galaxy NGC 4945

N Porraz_Barrera, S Lopez, LA Lopez, A Foord… - The Astrophysical …, 2024 - par.nsf.gov
We analyze 330 ks of Chandra X-ray imaging and spectra of the nearby, edge-on starburst
and Seyfert type 2 galaxy NGC 4945 to measure the hot gas properties along the galactic
outflows. We extract and model spectra from 15 regions extending from− 0.55 to+ 0.85 kpc
above and below the galactic disk to determine the best-fit parameters and metal
abundances. We find that the hot gas temperatures and number densities peak in the central
regions and decrease along the outflows. These profiles are inconsistent with a spherical …

Hot Gas Outflow Properties of the Starburst Galaxy NGC 4945

NP Barrera, S Lopez, LA Lopez, A Foord… - The Astrophysical …, 2024 - iopscience.iop.org
We analyze 330 ks of Chandra X-ray imaging and spectra of the nearby, edge-on starburst
and Seyfert type 2 galaxy NGC 4945 to measure the hot gas properties along the galactic
outflows. We extract and model spectra from 15 regions extending from− 0.55 to+ 0.85 kpc
above and below the galactic disk to determine the best-fit parameters and metal
abundances. We find that the hot gas temperatures and number densities peak in the central
regions and decrease along the outflows. These profiles are inconsistent with a spherical …
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