Computer Science – Sound
Scientific paper
Jul 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...342..238o&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 342, July 1, 1989, p. 238-249.
Computer Science
Sound
11
Elliptical Galaxies, Imagery, Spiral Galaxies, Ultraviolet Astronomy, Virgo Galactic Cluster, Color-Color Diagram, Energy Spectra, Red Shift, Sounding Rockets, Vacuum Spectroscopy
Scientific paper
The results are reported of an experiment using the UV imager aboard an attitude-controlled S520 type sounding rocket. The total UV fluxes of galaxies in the Virgo Cluster as well as the flux level of the diffuse UV background around the cluster were measured. The data on NGC 4486 and NGC 4472 confirm the variation in the degree of the 'turnup' below 200 nm in the energy spectrum of the total light of elliptical galaxies. At two-color diagram of galaxies of visual/near-UV/vacuum UV indicates that colors of spiral galaxies are distributed within a strip and well-correlated with the morphological type, while elliptical galaxies are located differently from spiral galaxies.
Kodaira Keichi
Nakagiri Masao
Nakano Masahiro
Onaka Takashi
Sasaki Makoto
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