Abstract

Soft X-ray surveys proved the existence of a local hot bubble surrounding the solar system. Recently two experiments measured the spectrum of this hot interstellar medium with solid state detectors during rocket flights between 300 and 1000 eV [4-7]. The good resolution of the experiment permitted to detect C V, C VI and O VII lines. In this paper we intend to compare results obtained during these two flights and discuss temperature and abundance determinations from the X-ray spectroscopic measurements already available. In particular the Solid State Spectrometer results are compared with those obtained by a Japanese Group using a Gas Scintillation Proportional Counter [3].

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