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Does interaction induce activity in Seyfert galaxies? The case of Mrk 315.

Published online by Cambridge University Press:  01 December 2004

S. Ciroi
Affiliation:
Padova Astronomical Department, Vicolo dell'Osservatorio, 2, I-35122 Padova, Italy
P. Rafanelli
Affiliation:
Padova Astronomical Department, Vicolo dell'Osservatorio, 2, I-35122 Padova, Italy
V. L. Afanasiev
Affiliation:
Special Astrophysical Observatory, Nizhnij Arkhyz, Zelenchukskaya, Karachaevo-Cherkesia, Russia 369167
S. N. Dodonov
Affiliation:
Special Astrophysical Observatory, Nizhnij Arkhyz, Zelenchukskaya, Karachaevo-Cherkesia, Russia 369167
V. Botte
Affiliation:
Padova Astronomical Department, Vicolo dell'Osservatorio, 2, I-35122 Padova, Italy
F. Di Mille
Affiliation:
Padova Astronomical Department, Vicolo dell'Osservatorio, 2, I-35122 Padova, Italy
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Abstract

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During the last decades many authors have concentrated their efforts on understanding what are the most efficient mechanisms to feed an AGN. Several solutions have been proposed, as the presence of circumnuclear star clusters, nuclear bars/disks/spirals, and the interaction between galaxies, in form of close encounters and mergers. Here we present new results about an isolated, intermediate-type Seyfert galaxy, Mrk315. The analysis of broad- and narrow-band images, and integral field spectra revealed a spiral-like structure hidden under the E/S0 morphology of the galaxy, and confirmed the presence of a nuclear jet-like feature, forming a sort of very extended “hook”. Moreover, our data confirmed the supposed nature of the already known knot, located at 2” from the active nucleus, as a secondary nucleus, residual of a minor merger bewteen the galaxy and a small nucleated companion.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
POSTERS
Copyright
© 2004 International Astronomical Union