Coronal lines and starburst features in two new IRAS active galactic nuclei - IRAS 04493 - 6441 and IRAS 22419 - 6049

Details Coronal lines and starburst features in two new IRAS active galactic nuclei - IRAS 04493 - 6441 and IRAS 22419 - 6049 Coronal lines and starburst features in two new IRAS active galactic nuclei - IRAS 04493 - 6441 and IRAS 22419 - 6049

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...387..522l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 387, March 10, 1992, p. 522-527. Research supported by CONICET.

Astronomy and Astrophysics

Astronomy

10

Active Galactic Nuclei, Astronomical Spectroscopy, Galactic Radiation, Infrared Astronomy, Starburst Galaxies, Charge Coupled Devices, Emission Spectra, Infrared Astronomy Satellite, Line Spectra, Optical Properties, Spectral Line Width

Scientific paper

Aperture spectroscopy and CCD images of two new luminous IRAS broad emission line AGN - IRAS 04493 - 6441 and IRAS 22419 - 6049 - are presented. Physical conditions are derived for the narrow emission-line regions and are compared with those of ultraluminous IRAS AGN. The deep CCD broadband images show starlike nuclei and their host galaxies. FIR data are also used to analyze these objects. High-excitation emission lines and optical and IR features characteristic of starburst in the two AGNs are detected. Evidence is found to the effect that these two IRAS AGNs have physical conditions similar to those of ultraluminous IR AGN with high ionization, where the central luminous nonthermal continuum source is dominant. The obscuration of the nucleus and the starburst is found to be smaller than in the ultraluminous IR AGN.

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