Ultrasoft X-ray background observations of the local interstellar medium

Details Ultrasoft X-ray background observations of the local interstellar medium Ultrasoft X-ray background observations of the local interstellar medium

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984nascp2345..222s&link_type=abstract

In NASA. Goddard Space Flight Center Local Interstellar Medium, No. 81 p 222-225 (SEE N85-15539 06-90)

Computer Science

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Background Radiation, Energy Bands, Interstellar Matter, Sounding Rockets, X Ray Sources, X Ray Spectra, Energy Levels, Flux Density, Interstellar Gas, Spatial Distribution, Thermal Emission

Scientific paper

Preliminary results from a May 8, 1984 sounding rocket survey of the soft X-ray background are presented in three soft X-ray bandpasses: 80 - 110 eV, 90 - 188 eV, and 284 - 532 eV. The lowest energy X-rays in this range provide information about the local interstellar medium. The count rate in the 80 - 110 eV energy band (the Be band) tracks the 90 - 188 eV band (the B band) very well, indicating that the same ≡1 million degree gas that is responsible for the B band emission may be responsible for the bulk of the Be band X-rays as well. The authors estimate for the flux in the Be band ≡1 photon cm-2s-1sr-1eV-1, about a factor of four lower than that found by Stern and Bowyer (1979) and Paresce and Stern (1981).

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