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Hα Kinematics of the Isolated Interacting Galaxy Pair KPG 486 (NGC 6090)

Abstract : In optical images, the barely studied isolated interacting galaxy pair KPG 486 (NGC 6090) displays similar features to the Antennae (NGC 4038/39) galaxy pair. To compare the distribution of ionized hydrogen gas, morphology and kinematic and dynamic behaviour of both galaxy pairs, we present observations in the Hα emission line of NGC 6090 acquired with the scanning Fabry-Perot interferometer, PUMA. For each galaxy in NGC 6090 we obtained several kinematic parameters, its velocity field and its rotation curve. We also analysed some of the perturbations induced by their encounter. We verified the consistency of our results by comparing them with kinematic results from the literature. The comparison of our results on NGC 6090 with those obtained in a previous similar kinematic analysis of the Antennae highlighted great differences between these galaxy pairs.
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Submitted on : Friday, May 13, 2022 - 10:08:03 AM
Last modification on : Saturday, June 25, 2022 - 3:17:13 AM

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M. M. Sardaneta, M. Rosado, M. Sánchez-Cruces. Hα Kinematics of the Isolated Interacting Galaxy Pair KPG 486 (NGC 6090). Revista Mexicana de Astronomía y Astrofísica Vol. 56, 2020, 56, pp.71-83. ⟨10.22201/ia.01851101p.2020.56.01.09⟩. ⟨insu-03667110⟩

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