2018
DOI: 10.1051/0004-6361/201731939
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Abstract: Context. The Milky Way (MW) and Andromeda (M 31) galaxies possess rotating planes of satellites. Their formation has not been explained satisfactorily yet. It was suggested that the MW and M 31 satellites are ancient tidal dwarf galaxies, which could explain their configuration. This suggestion gained support by an analytic backward calculation of the relative MW-M 31 orbit in the MOND modified dynamics paradigm by Zhao et al. (2013) implying their close flyby 7-11 Gyr ago. Aims. Here we explore the Local Grou… Show more

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Cited by 79 publications
(80 citation statements)
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“…If the majority of the observed satellites are ancient tidal dwarf galaxies (supported by the observed phase-space correlation of dwarf galaxies in MW Pawlowski & Kroupa 2013, M31 Ibata et al 2013, and Cen A Müller et al 2018b groups) then such galaxies without bulges should have statistically far fewer satellites than galaxies with bulges since bulge growth is enhanced significantly in galaxy-galaxy encounters (Kroupa 2015). In addition, Bílek et al (2018) showed that tidal planes of satellites explaining these phase-space correlations can be formed in Milgromian dynamics.…”
Section: Introductionmentioning
confidence: 98%
“…If the majority of the observed satellites are ancient tidal dwarf galaxies (supported by the observed phase-space correlation of dwarf galaxies in MW Pawlowski & Kroupa 2013, M31 Ibata et al 2013, and Cen A Müller et al 2018b groups) then such galaxies without bulges should have statistically far fewer satellites than galaxies with bulges since bulge growth is enhanced significantly in galaxy-galaxy encounters (Kroupa 2015). In addition, Bílek et al (2018) showed that tidal planes of satellites explaining these phase-space correlations can be formed in Milgromian dynamics.…”
Section: Introductionmentioning
confidence: 98%
“…However, such tidal dwarf galaxies are dark-matter free in a ΛCDM universe (Ploeckinger et al 2018;Haslbauer et al 2019). This is at odds with the high mass-to-light ratios of many of the observed dwarf satellite galaxies, unless the dark matter hypothesis is abandoned in favor of a modified gravity approach (Bílek et al 2018;Banik et al 2018). For a review of the observed satellite planes, comparison of them with cosmological simulations, and proposed solutions to the planes of satellite galaxies problem, see Pawlowski (2018).…”
Section: Introductionmentioning
confidence: 99%
“…Previous applications of POR to state-of-the art problems are available in the very-high-resolution simulations of Antennae-like galaxies (Renaud et al 2016), and (without hydro) in the simulation of the Sagittarius satellite galaxy and its stream by Thomas et al (2017) as well as the computations of streams from globular clusters (Thomas et al 2018), and the computation of the Andromeda-Milky-Way encounter by Bílek et al (2018). Prior to this, Milgromian simulations with gas (Tiret & Combes 2008;Combes 2014) were carried out by using sticky particles and a MOND Poisson solver (Brada & Milgrom 1999;Tiret & Combes 2007).…”
Section: Introductionmentioning
confidence: 99%