Compton X-ray emission from NGC 253

Oleg Goldshmidt*, Yoel Rephaeli

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A calculation is presented of X-ray emission from the disk and radio halo of the starburst galaxy NGC 253. Compton scattering of the radio emitting electrons off the far-infrared radiation field in the halo of this galaxy can account for the 50-200 keV emission recently detected by OSSE. This could possibly be the first detection of diffuse Compton emission from a galaxy which is not a bona fide active galactic nucleus.

Original languageEnglish
Pages (from-to)113-118
Number of pages6
JournalAstrophysical Journal
Issue number1
StatePublished - 1 May 1995


  • Galaxies: individual (NGC 253)
  • Galaxies: starburst
  • Gamma rays: theory
  • Radiation mechanisms: nonthermal


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