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Cited by 168

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A model for the distribution of material generating the soft X-ray background

Snowden, S. L., Cox, D. P., McCammon, D., Sanders, W. T.·1990·The Astrophysical Journal
DOI 10.1086/168680
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Abstract

The observational evidence relating to the soft X-ray diffuse background is discussed, and a simple model for its source and spatial structure is presented. In this simple model with one free parameter, the observed 1/4 keV X-ray intensity originates as thermal emission from a uniform hot plasma filling a cavity in the neutral material of the Galactic disk which contains the sun. Variations in the observed X-ray intensity are due to variations in the extent of the emission volume and therefore the emission measure of the plasma. The model reproduces the observed negative correlation between X-ray intensity and H I column density and predicts reasonable values for interstellar medium parameters.

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Metadata

Authors
Snowden, S. L., Cox, D. P., McCammon, D., & Sanders, W. T.
Venue
The Astrophysical Journal
Publisher
American Astronomical Society
Published
1990-05
Volume
354
Pages
211
ISSN
  • 0004-637X (ISSN-L)
  • 1538-4357
DOI
10.1086/168680
OpenAlex
W2086772742
Cited by
168
References
0
FWCI
11.11
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A model for the distribution of material generating the soft X-ray background. https://app.cochat.ai/papers/10.1086/168680
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Snowden, S. L., Cox, D. P., McCammon, D., & Sanders, W. T. (1990). A model for the distribution of material generating the soft X-ray background. The Astrophysical Journal. https://doi.org/10.1086/168680

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.