Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...119...80k&link_type=abstract
Astronomy and Astrophysics, vol. 119, no. 1, Mar. 1983, p. 80-84. Deutsche Forschungsgemeinschaft
Astronomy and Astrophysics
Astrophysics
14
Astronomical Spectroscopy, Barred Galaxies, Emission Spectra, Galactic Nuclei, Seyfert Galaxies, Spectrum Analysis, Galactic Evolution, Galactic Radiation, Radio Galaxies, Spectral Energy Distribution, Spectral Line Width, Ultraviolet Spectra, Visible Spectrum, X Ray Sources
Scientific paper
We report on radio, optical, UV, and X-ray observations of the barred spiral galaxy NGC 3660. This object is one of our program galaxies within a systematic study of activity in a complete sample of barred spirals. The application of various criteria involving observational results in different spectral ranges identifies NGC 3660 as a transition object between Seyfert 1 galaxies and narrow emission line galaxies (NELG's). NGC 3660 shows a rich emission line spectrum with ionization stages up to Fe XIV. This galaxy may therefore be regarded as a good example for a high ionization narrow emission line region galaxy.
Biermann Peter
Fricke Klaus J.
Huchtmeier Walter
Kollatschny Wolfram
Witzel Andreas
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