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Voyager EUV and FUV observations

Technical Report ·
OSTI ID:5760559
The Voyager 1 and 2 ultraviolet spectrometers are sensitive over the wavelength range 500 to 1700 A. In the extreme ultraviolet (EUV), at wavelengths shortward of the Lyman limit (912 A), Voyager observations detected emission from three out of a sample of 11 nearly hot DA white dwarfs. These observations imply very low HI column densities in the directions of the three stars detected. In the far ultraviolet (FUV), at wavelengths between 912 and 1200 A, Voyager observations of O and B stars can be used to study interstellar reddening at the shortest wavelengths and to provide useful estimates of interstellar H2 column densities.
Research Organization:
Arizona Univ., Tucson (USA)
OSTI ID:
5760559
Report Number(s):
N-85-15554
Country of Publication:
United States
Language:
English

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Related Subjects

640105* -- Astrophysics & Cosmology-- Galaxies
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COSMIC RADIO SOURCES
DENSITY
DWARF STARS
ELECTROMAGNETIC RADIATION
ELEMENTS
EXTREME ULTRAVIOLET RADIATION
FAR ULTRAVIOLET RADIATION
H1 REGIONS
H2 REGIONS
HYDROGEN
INTERSTELLAR SPACE
MEASURING INSTRUMENTS
NONMETALS
PHYSICAL PROPERTIES
RADIATIONS
SPACE
SPACE VEHICLES
SPECTROMETERS
STARS
STELLAR RADIATION
ULTRAVIOLET RADIATION
ULTRAVIOLET SPECTROMETERS
VEHICLES
VOYAGER SPACE PROBES
WAVELENGTHS
WHITE DWARF STARS