A Tilt in the Dark Matter Halo of the Galaxy

Recent observations of the stellar halo have uncovered the debris of an ancient merger, Gaia–Sausage–Enceladus (GSE), estimated to have occurred ≳8 Gyr ago. Follow-up studies have associated GSE with a large-scale tilt in the stellar halo that links two well-known stellar overdensities in diagonally...

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Veröffentlicht in:	The Astrophysical journal 2022-07, Vol.934 (1), p.14
Hauptverfasser:	Han, Jiwon Jesse, Naidu, Rohan P., Conroy, Charlie, Bonaca, Ana, Zaritsky, Dennis, Caldwell, Nelson, Cargile, Phillip, Johnson, Benjamin D., Chandra, Vedant, Speagle, Joshua S., Ting, Yuan-Sen, Woody, Turner
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics Asymmetry Dark matter Debris Enceladus Galactic halos Galaxies Galaxy dark matter halos Galaxy formation Milky Way formation Misalignment Orbits Simulation Stars & galaxies
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