Relations between SFR Enhancement and Other Parameters in Major Merging Galaxy Pairs |
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Authors: | QIU Jia-jie SUN Yan-chun |
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Institution: | Department of Astronomy, Beijing Normal University, Beijing 100875 |
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Abstract: | Major-mergeing pairs of galaxies are excellent experimental objects to study the simultaneous influences of galaxy itself and the external environment, which can be traced by the changes of star formation rates. These effects, including the stellar mass of galaxies, the projected distance, and the relative inclination of pairs of galaxies, are all important factors related to star formation rates. The results imply that the galaxies with the greater star formation rates tend to be caused by the greater stellar masses, and the galaxies with relative inclinations close to parallel also have greater increases about star formation. However, the projected distances have no correlation with the star formation rates in the scope of this study. |
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Keywords: | Galaxies: interactions Galaxies: fundamental parameters galaxies: star formation galaxies: statistics galaxies: evolution |
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