Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.265..313e&link_type=abstract
Nature, vol. 265, Jan. 27, 1977, p. 313, 314.
Astronomy and Astrophysics
Astronomy
6
Red Shift, Satellite Observation, Spiral Galaxies, Astronomical Photography, Spectral Energy Distribution, Td-1 Satellite, Ubv Spectra
Scientific paper
Recent observations of six Sb and Sc galaxies made with the TD1 satellite are considered. The large ultraviolet flux, which is now considerably closer to the U band than in earlier observations made with the OAO-2 satellite suggests the possibility of detecting more distant galaxies with deep ultraviolet plates than the usual deep B, V, or R plates, since this region of high flux will be redshifted into the U band. The problem is investigated on the basis of the published energy distributions. It is shown that there is an excess of distant images on the U plate, as compared with those on a B plate.
Ellis Richard S.
Fong Richard
Phillipps Steve
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