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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional Autónoma de México
2020
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| Online Access: | https://www.redalyc.org/articulo.oa?id=57171663003 https://www.redalyc.org/journal/571/57171663003/ https://www.redalyc.org/journal/571/57171663003/html/ https://www.redalyc.org/journal/571/57171663003/57171663003.epub https://www.redalyc.org/journal/571/57171663003/movil |
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Table of Contents:
- The influence of the mass distribution of stellar objects on their gravitational fields Vladimir Stephanovich Włodzimierz Godłowski Monika Biernacka Błażej Mrzygłód Física, Astronomía y Matemáticas Galaxy: general Galaxy: formation We study the influence of the mass randomness of astronomical objects on the distribution function of their gravitational fields. Based on purely theoretical arguments and on a comparison with extensive data collected from observations and numerical simulations, we show that while mass randomness does not alter the non-Gaussian character of the gravitational field distribution, it does change the dependencies of mean angular momenta of galaxies and clusters on their richness. The specific form of such dependencies is determined by the interplay of the character of the mass distributions and different assumptions about cluster morphology. We trace the influence of the mass distribution on the time evolution of the angular momenta of stellar objects in CDM and ΛCDM models. Our theoretical predictions are in very good agreement with the statistical results derived both from observational data and numerical simulations. 2020 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57171663003 https://www.redalyc.org/journal/571/57171663003/ https://www.redalyc.org/journal/571/57171663003/html/ https://www.redalyc.org/journal/571/57171663003/57171663003.epub https://www.redalyc.org/journal/571/57171663003/movil 10.22201/ia.01851101p.2020.56.02.03 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Num.2 Vol.56