Mathematics – Logic
Scientific paper
Sep 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...260..488t&link_type=abstract
Astrophysical Journal, Part 1, vol. 260, Sept. 15, 1982, p. 488-494. Research supported by the University of Chicago
Mathematics
Logic
5
Absorption Spectra, Abundance, Emission Spectra, Galactic Evolution, Galactic Structure, Peculiar Galaxies, Spectrophotometry, Astronomical Photography, Brightness Distribution, Luminosity, Radial Velocity, Ring Galaxies, Star Formation Rate, Stellar Evolution
Scientific paper
New spectrophotometric and imaging observations are presented for the peculiar galaxy Abell 76. This is clearly a small but beautiful morphological member of the ring galaxy class. The presence of extensive optical line emission, high surface brightness, and a pronounced blue continuum suggest this object is currently experiencing a very high star formation rate. This event might have been triggered by a collision with another galaxy, which could also account for the ring structure. In addition, spectrophotometric observations reveal a near-solar metallicity in the gas, which is unusual for such a low-luminosity galaxy and provides another indication of an odd evolutionary history.
Gallagher Jay S.
Hunter Deidre Ann
Kaler James B.
Talent David L.
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