Spectral observations of the soft X-ray background with solid-state detectors - Evidence for line emissions

Details Spectral observations of the soft X-ray background with solid-state detectors - Evidence for line emissions Spectral observations of the soft X-ray background with solid-state detectors - Evidence for line emissions

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...130...53r&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 130, no. 1, Jan. 1984, p. 53-61. Research supported by the Commissariat al'Ene

Astronomy and Astrophysics

Astronomy

28

High Temperature Gases, Interstellar Gas, Supernova Remnants, X Ray Astronomy, X Ray Spectroscopy, Background Radiation, North Polar Spur (Astronomy), Rocket Flight, Silicon Radiation Detectors

Scientific paper

The soft X-ray radiation from several regions of the sky was observed with solid-state detectors Si(Li) between 0.3 and 1.2 keV during two rocket flights. The thermal nature of the diffuse emission coming from the hot bubble surrounding the solar system is confirmed by the observation of C V-C VI and O VII lines which are typical of a temperature of about 10 to the 6th K. Evidence for the existence of a weak component at a higher temperature is given. This component, well visible in the high latitude spectra, could be produced by a hot galactic halo. In the direction of the enhancement region centered on the North Polar Spur, the radiation excess spectra are well represented by a two-temperature plasma model with rather standard abundances. The two components have temperatures of 10 to the 6th and 4.7 x 10 to the 6th K.

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