Ultraviolet studies of the interstellar medium

Details Ultraviolet studies of the interstellar medium Ultraviolet studies of the interstellar medium

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975iraj...12...49b&link_type=abstract

Irish Astronomical Journal, vol. 12, Mar.-June 1975, p. 49-60. Research supported by the Science Research Council.

Astronomy and Astrophysics

Astronomy

Cosmic Dust, Interstellar Extinction, Interstellar Matter, Ultraviolet Radiation, Astronomical Spectroscopy, Balloon-Borne Instruments, Electron Density (Concentration), Interstellar Radiation, Light Scattering, Magnesium, Ubv Spectra, Ultraviolet Spectra

Scientific paper

A descriptive survey is given of several subjects of astronomical UV observations conducted from orbiting observatories. Early UV observations are reviewed, and the interstellar dust is discussed on the basis of interstellar extinction curves, the nature and origin of dust grains, the scattering of light by grains, and the interstellar radiation density. The interstellar gas is described with emphasis on atomic and molecular hydrogen, the origin of interstellar deuterium, and neutral as well as ionized atoms relevant to the cloud and intercloud regions of the interstellar gas. A program is outlined which aims at studying the interstellar magnesium abundance and electron density in different regions of the sky with the aid of balloon-borne platforms.

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