The effects of interaction on the kinematics and abundance of AM 2229−735
This observational study is about the effects of interaction on the kinematics and chemical abundance of the component galaxies of AM 2229-735. This system is formed by a disc galaxy, NED01, and a compact perturbed Sb(s)-like galaxy, NED02, the latter showing a tail and counter-tail arc-shaped featu...
| Autores: | , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2014 |
| País: | España |
| Institución: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/393450 |
| Acceso en línea: | http://hdl.handle.net/10261/393450 |
| Access Level: | acceso abierto |
| Palabra clave: | Galaxies: individual: AM 2229−735 Galaxies: interactions Galaxies: kinematics and dynamics Galaxies: peculiar Galaxies: photometry Galaxies: spiral |
| Sumario: | This observational study is about the effects of interaction on the kinematics and chemical abundance of the component galaxies of AM 2229-735. This system is formed by a disc galaxy, NED01, and a compact perturbed Sb(s)-like galaxy, NED02, the latter showing a tail and counter-tail arc-shaped feature. This system could be a progenitor of a polar ring galaxy. The sky-projected tail is very luminous and seems to connect the galaxies. Our study was based on BVRI broad-band imagery as well as long-slit spectroscopy in the wavelength range 4240-8700 Å. We estimated heliocentric radial velocities of 17 518 ± 25 km s-1 (NED01) and 17 326 ± 27 km s-1 (NED02). Standard diagnostic diagrams were used to classify the main ionizing source of selected emission-line regions. It turns out that all regions are mainly ionized by massive stars. Using two empirical methods, we found that the H II regions in AM 2229-735 have high metallicity: 12 + log(O/H) = 8.3-8.6 dex. © 2014 The Authors |
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