Limit on Line Emission in the Diffuse X-Ray Background.

Toor, A.; Price, R. E.; Seward, F. D.

doi:10.1086/180894

Cited by 3 publications

(2 citation statements)

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“…The 7 keV peak appears weakly in the data of Figure 5 (top), which shows only part of the counts actually obtained. Boldt et al (1971) and Toor et al (1972), however, find no evidence for such features and place upper limits that are an order of magnitude smaller than the reported features which were equal to the integrated continuum in the same energy region. Toor et al (1972) obtained their negative results by using detectors with different fields of view and extracting that part which scales with the solid angle.…”

Section: The Non-x-ray Backgroundcontrasting

confidence: 69%

“…In the 1-10 keV region there is very good agreement between various groups (Boldt et al, 1969;Ducros et al, 1970;Bunner et al, 1971;Shukla and Wilson, 1971;Shulman et al, 1971;and Toor et al, 1972) as to the spectrum of the diffuse back ground. A power law representation, A E~y photons (cm 2 s ster keV)" 1 , is fit by these groups to their data.…”

Section: Recent Observations Of the (01-1 Kev) X-ray Backgroundmentioning

confidence: 58%

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The Soft X-Ray Background

Friedman¹,

Fritz²,

Shulman³

et al. 1973

Symp. - Int. Astron. Union

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Abstract. A survey of soft X-ray background observations in the 0.1-10 keV range is presented. In the region above 1 keV, recent results on point X-ray sources are discussed and their integrated contri bution to the diffuse background is estimated. However, the average luminosity of various classes of extragalactic X-ray sources is still not sufficiently well known to permit this estimate to be made with any certainty. A discussion is given of recent observations at energies below 1 keV where the effects of interstellar absorption are important. It is argued that although some fraction of the background radiation in the 0.1-1 keV range must be galactic in origin, there is still substantial evidence for an extragalactic component. Proposed theories for generating both the galactic and extragalactic X-ray background are briefly reviewed.

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Section: The Non-x-ray Backgroundcontrasting

confidence: 69%