Secondary ultraviolet sources in the Seyfert 2 galaxy NGC 1068

Details Secondary ultraviolet sources in the Seyfert 2 galaxy NGC 1068 Secondary ultraviolet sources in the Seyfert 2 galaxy NGC 1068

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982esasp.176..551s&link_type=abstract

In ESA 3rd European IUE Conf. p 551-557 (SEE N83-11889 02-88)

Physics

17

Galactic Nuclei, Secondary Emission, Seyfert Galaxies, Ultraviolet Radiation, Bursts, Continuums, Luminous Intensity, Resonance Lines, Spiral Galaxies, Starburst Galaxies, Ultraviolet Absorption

Scientific paper

Four UV sources were discovered by IUE around the nucleus of NGC 1068. All coincide with the inner spiral arms, and three of them can be explained by the integrated light of large numbers of 0 and B type stars associated with the spiral arms. These three sources have a continuum flux of 10% to 20% of the Seyfert nucleus. The fourth source has a harder spectrum then the Seyfert nucleus itself and at 1350 A its observed continuum flux is 70% of the Seyfert continuum. The estimated position is close to the brightest optical knot in the NW inner spiral arm at 11 sec from the nucleus in position angle 332 deg. The unusual ultraviolet brightness and shallow P Cygni type profiles of this source resemble the starburst galaxy NGC 7714.

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