Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...305..308s&link_type=abstract
Astronomy and Astrophysics, v.305, p.308
Astronomy and Astrophysics
Astrophysics
14
Interstellar Medium: Clouds, Individual (Draco Complex), Structure, Galaxy: Halo, X-Rays: Ism
Scientific paper
Detailed spectral modelling of the soft X-ray background (SXRB) as observed using ROSAT PSPC data in the direction of the Draco cloud, in conjunction with ROSAT WFC and previous B and C band data, reveals the need for three emission components in this direction. These comprise an extragalactic power law contribution of 1.0x10^-2^E^-1.4^ph/(cm^2^skeVsr), emission from the Galactic halo with logT=6.2 and emission measure 0.024cm^-6^pc and emission from the local cavity hot gas at logT=5.9 with emission measure 0.004cm^-6^pc. Results of PSPC data analysis for several other observations spanning Draco's line of galactic longitude are also presented. They again confirm the adequacy of the three component model, at least for directions away from the galactic plane. The results are interpreted in terms of the hot halo plus interspersed interstellar medium (ISM) models.
Gambhir M.
Quenby John J.
Sidher Sunil D.
Sumner Timothy J.
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