Compton X-ray emission from NGC 253

Oleg Goldshmidt; Yoel Rephaeli

doi:10.1086/175586

Compton X-ray emission from NGC 253

Oleg Goldshmidt^*, Yoel Rephaeli

^*Corresponding author for this work

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

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 language	English
Pages (from-to)	113-118
Number of pages	6
Journal	Astrophysical Journal
Volume	444
Issue number	1
DOIs	https://doi.org/10.1086/175586
State	Published - 1 May 1995

Keywords

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

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10.1086/175586

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title = "Compton X-ray emission from NGC 253",

abstract = "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.",

keywords = "Galaxies: individual (NGC 253), Galaxies: starburst, Gamma rays: theory, Radiation mechanisms: nonthermal",

author = "Oleg Goldshmidt and Yoel Rephaeli",

year = "1995",

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AU - Rephaeli, Yoel

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N2 - 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.

AB - 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.

KW - Galaxies: individual (NGC 253)

KW - Galaxies: starburst

KW - Gamma rays: theory

KW - Radiation mechanisms: nonthermal

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SP - 113

EP - 118

JO - Astrophysical Journal

JF - Astrophysical Journal

SN - 0004-637X

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Compton X-ray emission from NGC 253

Abstract

Keywords

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