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- W2912225155 abstract "The Bayesian MAMPOSSt mass/orbit modeling algorithm is used to jointly fit the distribution of elliptical, spiral (and irregular), and lenticular galaxies in projected phase space, on 3 stacked clusters (with normalized positions and velocities) of 54 regular clusters from the WINGS survey, with at least 30 member velocities. Our stacked clusters contain ~5000 galaxies with available velocities and morphological types. 30 runs of MAMPOSSt with different priors are presented. The highest MAMPOSSt likelihoods are obtained for generalized NFW models with steeper inner slope, free-index Einasto models, and double NFW models for the cluster and the brightest cluster galaxy. However, there is no strong Bayesian evidence for a steeper profile than the NFW model. The mass concentration matches the predictions from cosmological simulations. Ellipticals usually trace best the mass distribution, while S0s are close. Spiral galaxies show increasingly radial orbits at increasing radius, as do S0s on two stacks, and ellipticals on one stack. The inner orbits of all three types in the 3 stacks are consistent with isotropy. Spiral galaxies should transform rapidly into early-types given their much larger extent in clusters. Outer radial orbits are expected for the spirals, a consequence of their recent radial infall into the cluster. The less radial orbits we find for early-types could be related to the longer time spent by these galaxies in the cluster. We demonstrate that two-body relaxation is too slow to explain the inner isotropy of the early types, which suggests that inner isotropy is the consequence of violent relaxation during major cluster mergers or dynamical friction and tidal braking acting on subclusters. We propose that the inner isotropy of the short-lived spirals is a selection effect of spirals passing only once through pericenter before being transformed into early-type morphologies." @default.
- W2912225155 created "2019-02-21" @default.
- W2912225155 creator A5002757985 @default.
- W2912225155 creator A5003867783 @default.
- W2912225155 creator A5023092807 @default.
- W2912225155 creator A5035632700 @default.
- W2912225155 creator A5035730408 @default.
- W2912225155 creator A5040823728 @default.
- W2912225155 date "2019-01-18" @default.
- W2912225155 modified "2023-09-25" @default.
- W2912225155 title "Structural and dynamical modeling of WINGS clusters. II. The orbital anisotropies of elliptical, spiral and lenticular galaxies" @default.
- W2912225155 cites W1689724178 @default.
- W2912225155 cites W1871073386 @default.
- W2912225155 cites W1934193987 @default.
- W2912225155 cites W1937529881 @default.
- W2912225155 cites W1963754183 @default.
- W2912225155 cites W1974908355 @default.
- W2912225155 cites W1976116586 @default.
- W2912225155 cites W1982294980 @default.
- W2912225155 cites W1982578766 @default.
- W2912225155 cites W1984175910 @default.
- W2912225155 cites W1988476153 @default.
- W2912225155 cites W1989533263 @default.
- W2912225155 cites W1995023801 @default.
- W2912225155 cites W1997089041 @default.
- W2912225155 cites W2001621694 @default.
- W2912225155 cites W2007325934 @default.
- W2912225155 cites W2007788374 @default.
- W2912225155 cites W2011651094 @default.
- W2912225155 cites W2017058515 @default.
- W2912225155 cites W2019028512 @default.
- W2912225155 cites W2019454572 @default.
- W2912225155 cites W2021378672 @default.
- W2912225155 cites W2030216825 @default.
- W2912225155 cites W2031178755 @default.
- W2912225155 cites W2031886067 @default.
- W2912225155 cites W2033196817 @default.
- W2912225155 cites W2039780899 @default.
- W2912225155 cites W2041542911 @default.
- W2912225155 cites W2042904965 @default.
- W2912225155 cites W2043468409 @default.
- W2912225155 cites W2045839607 @default.
- W2912225155 cites W2049779417 @default.
- W2912225155 cites W2052391322 @default.
- W2912225155 cites W2052655054 @default.
- W2912225155 cites W2054103046 @default.
- W2912225155 cites W2058569864 @default.
- W2912225155 cites W2058731249 @default.
- W2912225155 cites W2059594277 @default.
- W2912225155 cites W2060777548 @default.
- W2912225155 cites W2069786714 @default.
- W2912225155 cites W2073664129 @default.
- W2912225155 cites W2074259895 @default.
- W2912225155 cites W2077005128 @default.
- W2912225155 cites W2077433416 @default.
- W2912225155 cites W2077679497 @default.
- W2912225155 cites W2078257430 @default.
- W2912225155 cites W2085987540 @default.
- W2912225155 cites W2087500927 @default.
- W2912225155 cites W2087859919 @default.
- W2912225155 cites W2090747960 @default.
- W2912225155 cites W2090900719 @default.
- W2912225155 cites W2097313861 @default.
- W2912225155 cites W2104138988 @default.
- W2912225155 cites W2104366838 @default.
- W2912225155 cites W2104976816 @default.
- W2912225155 cites W2105880576 @default.
- W2912225155 cites W2110076019 @default.
- W2912225155 cites W2115575809 @default.
- W2912225155 cites W2119761998 @default.
- W2912225155 cites W2130759285 @default.
- W2912225155 cites W2135403967 @default.
- W2912225155 cites W2140062593 @default.
- W2912225155 cites W2143372482 @default.
- W2912225155 cites W2144315743 @default.
- W2912225155 cites W2145788243 @default.
- W2912225155 cites W2146445189 @default.
- W2912225155 cites W2153208487 @default.
- W2912225155 cites W2156048499 @default.
- W2912225155 cites W2156074389 @default.
- W2912225155 cites W2162290847 @default.
- W2912225155 cites W2164297197 @default.
- W2912225155 cites W2167129914 @default.
- W2912225155 cites W2168175751 @default.
- W2912225155 cites W2168644206 @default.
- W2912225155 cites W2169811826 @default.
- W2912225155 cites W2563462496 @default.
- W2912225155 cites W2590430208 @default.
- W2912225155 cites W2614657199 @default.
- W2912225155 cites W2737207253 @default.
- W2912225155 cites W2769267178 @default.
- W2912225155 cites W2788349473 @default.
- W2912225155 cites W2798490296 @default.
- W2912225155 cites W2895422158 @default.
- W2912225155 cites W2951580932 @default.
- W2912225155 cites W2963509052 @default.
- W2912225155 cites W3094227019 @default.
- W2912225155 cites W3098364980 @default.
- W2912225155 cites W3098456337 @default.
- W2912225155 cites W3099575704 @default.