Local contributions to the 0.6 keV diffuse X-ray background

Details Local contributions to the 0.6 keV diffuse X-ray background Local contributions to the 0.6 keV diffuse X-ray background

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984nascp2345..215b&link_type=abstract

In NASA. Goddard Space Flight Center Local Interstellar Medium, No. 81 p 215-218 (SEE N85-15539 06-90)

Physics

2

Diffuse Radiation, Energy Bands, Heao 1, Interstellar Gas, Interstellar Matter, Extragalactic Radio Sources, Flux Density, Supernova Remnants, X Ray Sources

Scientific paper

The intensity of the X-ray background between 0.5 and 1.0 keV has surprisingly little dependence on galactic latitude. Possible mechanisms for the production of these X-rays include extragalactic emission and emission from dM stars, both of which should be strongly dependent on galactic latitude, and diffuse emission from hot gas (T ≅ 3×106K) surrounding the Sun. These mechanisms can be distinguished by the presence or absence of absorption by gas within a few hundred parsecs of the Sun. The author uses X-ray data from the HEAO-1 LED detectors and H I data from the recent Crawford Hill 21 cm survey to place limits on the 0.6 keV intensity originating within 300 pc of the Sun in the general direction of (l,b) = (150°,-30°).

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