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May 2, 20260 citationsOpen Access

Fast Starburst Wind Consumes Supernova Energy in Galaxy M82

A fast starburst wind consumes most of the energy from supernovae

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Authors

MAMarc AudardHAHisamitsu AwakiRBRalf Ballhausen

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Overview

Randomized trial shows that starburst winds limit star formation by consuming supernova energy, indicating a complex interaction in galaxy dynamics.

Key Points

  • This study aims to understand how supernova energy contributes to galactic winds in starburst galaxies.
  • Used the Resolve spectrometer on the X-ray Imaging and Spectroscopy Mission.
  • Analyzed the hot gas properties in the nucleus of the starburst galaxy M82.
  • Measured mass and energy outflow rates from the galaxy's nucleus.
  • Mass outflow rate from the nucleus is about 7 M⊙yr⁻¹ and energy outflow rate is 4 × 10⁴²erg s⁻¹.
  • The velocity dispersion of the hot gas is σ = 595+464 -128 km s⁻¹, consistent with a nuclear wind.
  • Thermal gas pressure is sufficient to power the multiphase wind and transport gas to the intergalactic medium.

Cite This Study

Audard et al. (2026) studied this question.

synapsesocial.com/papers/69f593f271405d493affed5ehttps://doi.org/10.13016/m2it2y-3a8n
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