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astro-ph.GA2025
Impact of merger histories on the timing argument estimate of the Local Group mass
Istiak Akib, François Hammer, Yanbin Yang
The timing argument (TA) aims to find the total mass of the Local Group (LG) from the relative motions of the Milky Way (MW) and Andromeda Galaxy (M31). However, the classical TA a…
astro-ph.GA2025★ 3 cited
An intriguing coincidence between the majority of vast polar structure dwarfs and a recent major merger at the M31 position
Istiak Akib, François Hammer, Yanbin Yang +2
A significant part of the Milky Way (MW) dwarf galaxies orbit within a Vast POlar Structure (VPOS), which is perpendicular to the Galactic disc and whose origin has not yet been id…