ESO 428-G 14 - A new Seyfert 2 galaxy

Details ESO 428-G 14 - A new Seyfert 2 galaxy ESO 428-G 14 - A new Seyfert 2 galaxy

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...166...92b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 166, no. 1-2, Sept. 1986, p. 92-96.

Astronomy and Astrophysics

Astrophysics

19

Emission Spectra, Seyfert Galaxies, Continuous Radiation, Galactic Bulge, Galactic Nuclei, Infrared Photometry, Line Spectra, Ubv Spectra

Scientific paper

A photometric and spectroscopic investigation of the newly detected Seyfert 2 galaxy ESO 428-G 14 is presented. The nuclear bulge exhibits an emission-line spectrum which cannot be explained as due to photoionization by hot stars. It is shown that it can be reproduced by a three-layered model ionized by a central nonthermal power-law source. An analysis of the integrated stellar spectrum indicates that a burst of star formation took place in the galaxy 5 x 10 to the 8th yr ago. The continuum, from ultraviolet to the far infrared, can be modeled by combining this stellar population with an older one, a power-law and a dust component.

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