A survey of star-burst galactic nuclei

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Astrophysics, Galactic Nuclei, Galaxies, Spectrophotometry, Stellar Radiation, Vidicons

Scientific paper

An extensive spectrophotometric survey of galaxies with star burst nuclei was conducted to investigate their basic astrophysical properties and to discover their relationship to other extragalactic objects. Observations of 102 star burst nuclei were obtained with the 1.6 m telescope of the Penn State Black Moshannon Observatory using a SIT vidicon detector. These objects, which were primarily selected from the Markarian lists, have spectra characterized by strong, narrow, low ionization emission lines. Their UBV colors, emission line properties, and radio continua can be consistently explained by the presence of a young, hot star population. The star burst nuclei are distinguishable from Seyfert nuclei at every wavelength.

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