Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...18310006m&link_type=abstract
American Astronomical Society, 183rd AAS Meeting, #100.06D; Bulletin of the American Astronomical Society, Vol. 25, p.1440
Astronomy and Astrophysics
Astronomy
Scientific paper
Preliminary results from an emission line imaging survey of a complete sample of Seyfert nuclei in early-type host galaxies will be presented. The sample is defined to include all known Seyfert nuclei with total magnitude m <= 14.5 and recessional velocities <= 10,000 km s(-1) residing in E, S0 and S0/a host types. Each galaxy in the sample is being imaged in the emission lines of [OIII]lambda 5007 and Hα . The aim of this survey is to determine the incidence of \lq`ionization cones\rq\rq \ in Seyfert galaxies and test the idea that the difference between the two types of Seyferts is due to different aspect angle. To facilitate this goal, the emission-line images will be compared to simulations of cones of various opening and viewing angles.
Mulchaey John S.
Tsvetanov Zlatan
Wilson Andrew S.
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