Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...117..319s&link_type=abstract
Astronomy and Astrophysics, vol. 117, no. 2, Jan. 1983, p. 319-331.
Astronomy and Astrophysics
Astronomy
7
Interstellar Matter, Spatial Distribution, X Ray Astronomy, X Ray Spectra, Astronomical Maps, Diffuse Radiation, Energy Spectra, Milky Way Galaxy, Plasma Temperature, Spectral Bands
Scientific paper
The authors report the distribution and the energy spectrum of the soft X-ray diffuse component in the energy range 0.1 - 2.0 keV, covering a major portion of well known radio loops - Loop I, Loop III, and Loop IV and the rather scantily studied region bounded by l = 180° to 270° and b = 40° to 80°. The data are presented in the form of intensity maps in the following energy bands; 0.1 - 0.19 keV (B-band), 0.1 - 0.28 keV (L-band), and 0.4 - 0.9 keV (M-band). Correlation of the intensities in L- and B-bands with NH, correlation of L-band intensity with B-band intensity and the galactic distribution of the hardness ratio, R, defined as L-band intensity over B-band intensity, are discussed in an attempt to characterize the emission regions in terms of temperature, pressure and the extend of hot plasma. Spectral details are presented for a large number of broad regions outside the Loop I so as to study the spectra of diffuse X-ray background only.
Agrawal Prahlad C.
Manchanda Ravi K.
Naranan S.
Singh Kamal P.
Sreekantan B. V.
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