Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...108...95m&link_type=abstract
Astronomy and Astrophysics, vol. 108, no. 1, Apr. 1982, p. 95-98.
Astronomy and Astrophysics
Astrophysics
8
Astronomical Spectroscopy, Image Dissector Tubes, Radio Galaxies, Spectral Energy Distribution, Visible Spectrum, Absorption Spectra, Emission Spectra, Spectral Resolution, Stellar Spectra
Scientific paper
Low resolution IDS and medium resolution long slit image tube spectrograms of the radio galaxy PKS 2152-69 are discussed. The nucleus of this bright galaxy shows an intense emission line spectrum with LINER-like properties. The relatively weak Balmer emission lines H-alpha and H-beta have moderately broad wings fitting the definition of the Intermediate Line Radio Galaxies. The continuum energy distribution shows a strong UV excess, but otherwise an essentially normal stellar absorption spectrum. The emission line spectrum is tentatively explained by assuming the superposition of contributions from a relatively weak photoionized central source and more extended regions of shock-heated gas.
Appenzeller Immo
Marenbach G.
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