Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009rmxaa..45..231c&link_type=abstract
Revista Mexicana de Astronomía y Astrofísica Vol. 45, pp. 231-238 (2009) (http://www.astroscu.unam.mx/~rmaa/)
Astronomy and Astrophysics
Astronomy
Galaxies: Interactions, Galaxies: Photometry, Infrared: Galaxies, Infrared: General
Scientific paper
We report optical and near-infrared imaging and photometry for the IRAS 02290+2533 source. Observations show that this source is a system of three galaxies. Two galaxies (A and B), which are separated in projection ≈ 10 kpc, show some evidence of tidal interaction between them. The spiral-like Galaxy B presents a disk-wide Hα emission and a high infrared luminosity, from near to mid-infrared wavelengths. We suggest that such luminosity is due to a probable disk-wide starburst triggered by the ongoing gravitational interaction with Galaxy A. Galaxy B can be classified as a Luminous Infrared Galaxy (LIRG). We estimate that a binary merger in the system is likely to occur in ≲ 1 Gyr. It is probable that this IRAS source will harbor in the future an Ultra LIRG, according to the evolutionary scheme of Sanders & Mirabel (1996).
Aceves Hector
Cruz Flavio
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