Results on the evolution of galaxies and their environment from the Ultraviolet Imaging Telescope on Astro-1

Details Results on the evolution of galaxies and their environment from the Ultraviolet Imaging Telescope on Astro-1 Results on the evolution of galaxies and their environment from the Ultraviolet Imaging Telescope on Astro-1

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993egte.conf...40s&link_type=abstract

In NASA. Ames Research Center, The Evolution of Galaxies and Their Environment p 40 (SEE N93-26706 10-90)

Astronomy and Astrophysics

Astronomy

Astronomical Photometry, B Stars, Galactic Evolution, Massive Stars, Nebulae, O Stars, Scattering, Spacelab, Star Clusters, Ultraviolet Astronomy, Ultraviolet Telescopes, Brightness Distribution, Far Ultraviolet Radiation, High Resolution, Stellar Color, Stellar Mass

Scientific paper

The Ultraviolet Imaging Telescope (UIT), part of the Astro-1 Spacelab Mission, was used to obtain high-resolution surface brightness distribution data in six ultraviolet wavelength bands for the bright reflection nebula NGC 7023. The corresponding data from the visible leads us to conclude that the scattering in the near and far ultraviolet in this nebula is more strongly forward directed than it is in the visible. The UIT also obtained near-UV and far-UV images of the giant OB association NGC 206 in M32. Photometry was obtained for thirty massive stars. We analyzed UV imagery of two Sb bulges and two E galaxies obtained with UIT. For NGC 1275, the measured UV colors indicate a mass function which extends to eight solar masses but no higher. Other aspects of this investigation are discussed.

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