Affiliation:
1. NAS RA V. Ambartsumian Byurakan Astrophysical Observatory (BAO), Armenia
Abstract
In the present study, the dependencies of the morphological types of the first and second ranked group galaxies on the magnitude gap were studied.
It is shown that there is no increase in the relative number of elliptical galaxies among the first and second ranked group galaxies with large magnitude gaps (in comparison with the expectation, by assuming that the morphological type of these galaxies does not depend on the magnitude gap). This result contradicts the merger hypothesis. The hypothesis proposed by Ambartsumian does not contradict this result.
Publisher
NAS RA Byurakan Astrophysical Observatory after V. A. Ambartsumian
Subject
General Medicine,General Chemistry
Reference4 articles.
1. Ambartsumian, V. 1956, Izv. Akad. Nauk Arm. SSR, Ser. Fiz.-Mat. Nauk, 9, 23
2. Ambartsumian, V. 1962, Trans. Int. Astron. Union, 12, 145
3. Mahtessian, A.; Movsessian V. 2010, Afz, 53, 83
4. Mahtessian, A. 2011, Afz, 54, 189
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1. A study of active galaxies in groups of galaxies and in the field;Communications of the Byurakan Astrophysical Observatory;2023-07-07