Galaxy Pairs and Groups in the AGNs' Environments

Computer Science – Databases

Scientific paper

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Galaxy Clusters, Star Formation, Photometric, Polarimetric, And Spectroscopic Instrumentation, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, Astronomical And Space-Research Instrumentation, Astronomical Catalogs, Atlases, Sky Surveys, Databases, Retrieval Systems, Archives, Etc.

Scientific paper

Galaxy interactions can produce changes in galaxy morphology, induce star formation, and trigger active galactic nuclei (AGN). Most AGNs tend to occur in pairs or groups that exhibit signs of interaction between the components, resulting in peculiarities in their morphological structure and physical properties. Combining optical-NIR photometric data, HST/WFPC2 morphological data and HST/WFPC2 archival images for galaxies in the environments of two AGN at z~1, we carry out a morphological and photometric study of elliptical galaxies and disk galaxies properties, at different stages of interaction. The goal of this study is to analyze the effects of interactions on color and morphology of galaxy pairs, especially for disk galaxy pairs and mixed morphology pairs.

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