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  • Springer  (2)
  • Blackwell Publishing Ltd  (1)
  • 1980-1984  (3)
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Publisher
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Year
  • 1
    Electronic Resource
    Electronic Resource
    GAMMA-RAY OBSERVATIONS OF SEYFERT GALAXIES AND THE PROBLEM OF THE EXTRAGALACTIC GAMMA-RAY BACKGROUND (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 336 (1980), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1980.tb15935.x
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  • 2
    Electronic Resource
    Electronic Resource
    Galaktische Gamma-Astronomie (1982)
    Springer
    Naturwissenschaften 69 (1982), S. 212-219 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Notes: Abstract During the last decade the exploration of the sky in the light of gamma rays has begun by means of satellite- and balloon-borne instruments. Like in other ranges of the electromagnetic spectrum the Milky Way clearly stands out against the rest of the sphere. Part of the galactic γ-ray emission is due to discrete sources, part is diffuse in origin and is produced in interstellar space. Some of the discrete γ-ray sources are radio pulsars, the nature of the other sources is still unknown. The intensity distribution of the diffuse galactic γ-ray component is consistent with a decrease of the cosmic-ray intensity towards the outer part of the galaxy. The identification of the cosmic-ray sources will be one of the main objectives of the next generation of γ-ray telescopes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00398636
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  • 3
    Electronic Resource
    Electronic Resource
    Origin of the diffuse galactic gamma-ray emission at low and medium gamma-ray energies (1983)
    Springer
    Space science reviews 36 (1983), S. 249-266 
    Details
    ISSN: 1572-9672
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Recently the galactic plane has been observed in the low and medium energy gamma-ray range in the directions towards the center and anticenter. Spectral measurements are now available at those energies, where the contribution from π°-decay gamma rays can be neglected. The high MeV-fluxes observed in both parts of the Galaxy are an indication of either a strong electron induced component or a high contribution from unresolved sources. Several interstellar cosmic-ray electron spectra have been used to calculate the contribution from electron bremsstrahlung and inverse Compton collisions with optical, infrared and 2.7 K black-body photons. From these calculations restrictions on the interstellar electron spectrum are derived.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00247090
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