The AGN Pair NGC 5953/54:. BVRIHαJK Photometry and [NII] Fabry-Perot Interferometry

Details The AGN Pair NGC 5953/54:. BVRIHαJK Photometry and [NII] Fabry-Perot Interferometry The AGN Pair NGC 5953/54:. BVRIHαJK Photometry and [NII] Fabry-Perot Interferometry

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004mas..conf..195h&link_type=abstract

MULTIWAVELENGTH AGN SURVEYS. Proceedings of the Guillermo Haro Conference 2003. Held 8-12 December 2003 in Cozumel, Mexico. Edit

Astronomy and Astrophysics

Astronomy

Scientific paper

New BVRIHαJK imaging and [N II] scanning Fabry-Perot (OAN-SPM) observations are presented for the interacting galaxy pair NGC 5953/54. Morphology is reviewed and complemented by archived V/R/H images from HST. The Seyfert 2 NGC 5953 shows an underlying featureless disk (≥ 1.5 kpc) in all the observed bands. A compact flocculent spiral pattern (≤ 1.5 kpc), and a ~ 60 pc bar-like central structure are observed. The Liner galaxy NGC 5954 is a distorted spiral with a strong circumnuclear starburst region and star-forming regions distributed throughout its disk. A tidal bridge or distorted arm appears to link the two galaxies, extending to the northwest as a linear feature (plume). Fabry-Perot observations yield a [N II] velocity field and rotation curves for the components. These observations coupled with results from a simulation atlas of tidal features allow us 1) to suggest a tentative geometry of the encounter and 2) to comment about a suspected secular transformation in NGC 5953/54 via the interaction process.

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