Middle-ultraviolet photometry of Virgo cluster galaxies

Details Middle-ultraviolet photometry of Virgo cluster galaxies Middle-ultraviolet photometry of Virgo cluster galaxies

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...261....1s&link_type=abstract

Astrophysical Journal, Part 1, vol. 261, Oct. 1, 1982, p. 1-11.

Astronomy and Astrophysics

Astronomy

25

Ultraviolet Astronomy, Ultraviolet Photometry, Virgo Galactic Cluster, Elliptical Galaxies, Galactic Structure, Spectral Energy Distribution, Spiral Galaxies, Stellar Color

Scientific paper

Photographic photometry of Virgo cluster galaxies has been performed in a wavelength band extending from 1620-3200 A using sounding rocket techniques. The observational results are middle ultraviolet magnitudes, U2421, or faint limits for U2421, for 201 galaxies within 5.5 arcmin of the cluster center. A strong negative correlation is found between U2421 - V and V for all observed S0 galaxies and a similar but weaker correlation for the observed ellipticals. No such correlation is found for spiral galaxies regardless of their projection angles on the sky. The measured colors are generally compatible with colors computed from previously generated composite spectra.

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