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Vacuum Ultraviolet Background Radiation Around the Virgo Cluster Region

Published online by Cambridge University Press:  08 February 2017

Takashi Onaka
Takashi Onaka*
Affiliation:
Department of Astronomy Faculty of Science University of Tokyo Bunkyo-ku, Tokyo 113 Japan

Abstract

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The vacuum ultraviolet (λeff = 156 nm and δλ ≅ 30 nm) observation around the Virgo Cluster region (l = 280°–320° and b = 60°–80°) was performed by the GUV experiment, a rocket-borne two-dimensional imager. The diffuse background radiation in the high galactic latitude region was obtained after subtraction of the contributions from airglow, stars, and galaxies in the field of view. A comparison with HI 21 cm radio observations indicates a weak correlation of the diffuse ultraviolet (UV) background radiation with HI column density, suggesting a low scattering efficiency of the interstellar dust grains in the far-UV and the existence of the isotropic component in the diffuse background radiation.

Type
IV. Extragalactic Background Radiation and Cosmology
Information
Symposium - International Astronomical Union , Volume 139: The Galactic and Extragalactic Background Radiation , 1990 , pp. 379 - 380
Copyright
Copyright © Kluwer 1990 

References

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