Photometric structure of the peculiar galaxy ESO 235-G58

Details Photometric structure of the peculiar galaxy ESO 235-G58 Photometric structure of the peculiar galaxy ESO 235-G58

2004-02-05

arxiv.org/abs/astro-ph/0402126v1

Astron.Astrophys. 418 (2004) 41-52

Astronomy and Astrophysics

Astrophysics

16 pages, 15 figures, accepted for publication in Astronomy & Astrophysics

Scientific paper

10.1051/0004-6361:20034012

We present the near-infrared and optical properties of the peculiar galaxy ESO 235-G58, which resembles a late-type ringed barred spiral seen close to face-on. However, the apparent bar of ESO 235-G58 is in reality an edge-on disk galaxy of relatively low luminosity. We have analyzed the light and color distributions of ESO 235-G58 in the NIR and optical bands and compared them with the typical properties observed for other morphological galaxy types, including polar ring galaxies. Similar properties are observed for ESO 235-G58, polar ring galaxies, and spiral galaxies, which leads us to conclude that this peculiar system is a polar-ring-related galaxy, characterized by a low inclined ring/disk structure, as pointed out by Buta & Crocker in an earlier study, rather than a barred galaxy.

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