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Issue A&A Volume 410, Number 1, October IV 2003 Page(s) 117 - 129 Section Galactic structure and dynamics DOI 10.1051/0004-6361:20031215

A&A 410, 117-129 (2003)
DOI: 10.1051/0004-6361:20031215

Structure and stellar population of ringed barred galaxy NGC 2336

A. S. Gusev^{1, 2, 3} and M.-G. Park<sup>2

1</sup>  Korea Astronomy Observatory, 61-1 Whaam-Dong, Yuseong-Gu, Taejon 305-348, Korea
²  Department of Astronomy and Atmospheric Sciences, Kyungpook National University, Taegu 702-701, Korea
³  Sternberg Astronomical Institute, Moscow University, Universitetskii Pr. 13, Moscow 119992, Russia

(Received 9 November 2001 / Accepted 30 July 2003)

Abstract
Results are presented for surface UBVRI photometry of the giant spiral galaxy NGC 2336. The data were obtained with the 1.8-m telescope of the Bohyunsan Optical Astronomy Observatory in Korea, using a CCD camera. The structure and radial light distribution of the galaxy were studied. The compositions of the stellar populations in various regions of the galaxy were estimated using two-color diagrams, and regions of star formation were identified. The properties of the 34 largest such regions were determined. The ages of these star formation regions were estimated using stellar evolutionary synthesis models. It is shown that active, constant, non-burst star formation has been recently proceeding in the disk of NGC 2336.

Key words: galaxies: spiral -- galaxies: individual: NGC 2336 -- galaxies: photometry -- galaxies: structure -- galaxies: stellar content

Offprint request: A. Gusev, gusev@sai.msu.ru

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© ESO 2003

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