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astro-ph.GA2026
Reconstructing the Stripping History of the Sagittarius Stream with Neural Networks
Jian Zhang, Cuihua Du, Mingji Deng +2
The Sagittarius (Sgr) Stream is produced by the ongoing disruption of the Sgr dwarf spheroidal (dSph) galaxy and is thought to contain multiple wraps that were stripped during diff…
astro-ph.GA2026
Revisiting candidate high-velocity stars associated with the Sagittarius dwarf spheroidal galaxy
Jian Zhang, Cuihua Du, Mingji Deng +2
Hypervelocity stars (HVSs) are valuable tracers of extreme dynamical processes. The Sagittarius dwarf spheroidal galaxy (Sgr dSph), currently undergoing tidal disruption, offers a…
astro-ph.GA2026
A Low-mass Model of The Milky Way: The Disk Warp Resulting from A Galaxy Merger
Mingji Deng, Cuihua Du, Jian Zhang +2
Previous studies have shown that disk warps can result from galaxy mergers. Recent research indicates a noticeable decline in the rotation curve (RC) of the Milky Way (MW), suggest…