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Revista mexicana de astronomía y astrofísica
versión impresa ISSN 0185-1101
Resumen
VEGA-ACEVEDO, I. y HIDALGO-GAMEZ, A. M.. Morphological Study of a Sample of Dwarf Tidal Galaxies Using the C-A Plane. Rev. mex. astron. astrofis [online]. 2022, vol.58, n.1, pp.61-72. Epub 23-Ene-2023. ISSN 0185-1101. https://doi.org/10.22201/ia.01851101p.2022.58.01.05.
In this investigation, we determined the Concentration (C) and Asymmetry (A) parameters in a sample of tidal dwarf galaxies (TDG) or candidate galaxies. Most of the galaxies in the sample were found to be in a very precise region of the C-A plane, which clearly separates them from other galaxies. In addition, the stellar mass (M star ) and the star formation rate (SFR) in the sample were determined using optical images and GALEX observations. The main results are: the M star and the SFR in the TDG sample do not follow a linear correlation with the C and A respectively, as observed in the rest of galaxies, and the M star and the SFR have a linear correlation similar to that followed by galaxies at high redshift. Then, we can conclude that the C-A plane can be a useful method for the morphological identification of candidates for TDG or dwarf objects from very turbulent environments.