4 citations · 4 across the 7 of their papers we have counts for
7 papers · 1 filter
Investigate Substructures of the Inner Halo Using the StarGO Algorithm with APOGEE DR17
Zhongcheng Li, Cuihua Du, Haoyang Liu +1
We applied Stars' Galactic Origin (StarGO) algorithm in 7D space (i.e., [Fe/H], [Mg/Fe], [Al/Fe], , , , ) to analyze stars in the inner halo with APOGEE DR1…
Exploration of Halo Substructures in IoM Space with \textit{Gaia} DR3
Haoyang Liu, Cuihua Du, Dashuang Ye +2
Using kinematic data from the Gaia Data Release 3 catalog, along with metallicity estimates robustly derived from Gaia XP spectra, we have explored the Galactic stellar halo in sea…
A Potential Dynamical Origin of The Galactic Disk Warp: The Gaia-Sausage-Enceladus Major Merger
Mingji Deng, Cuihua Du, Yanbin Yang +2
Previous studies have revealed that the Galactic warp is a long-lived, nonsteady, and asymmetric structure. There is a need for a model that accounts for the warp's long-term evolu…
Compositions of the Hercules-Aquila Cloud and Virgo Over-density
Dashuang Ye, Cuihua Du, Mingji Deng +4
Based on a sample of K giant from Large sky Area Multi-Object fiber Spectroscopic Telescope (LAMOST) Data Release 8 and a sample of RR Lyrae (RRL) from \textit{Gaia} Data Release 3…
The origin of High-velocity stars considering the impact of the Large Magellanic Cloud
Jiwei Liao, Cuihua Du, Mingji Deng +5
Utilizing astrometric parameters sourced from \textit{Gaia} Data Release 3 and radial velocities obtained from various spectroscopic surveys, we identify 519 high-velocity stars (H…
Dynamical substructures of local metal-poor halo
Dashuang Ye, Cuihua Du, Jianrong Shi +1
Based on 4,\,098 very metal-poor (VMP) stars with 6D phase-space and chemical information from \textit{Gaia} DR3 and LAMOST DR9 as tracers, we apply an unsupervised machine learnin…
Discovery of the shell structure via break radii in the outer halo of the Milky Way
Dashuang Ye, Cuihua Du, Jianrong Shi +1
Based on the \textit{Gaia} DR3 RR Lyrae catalog, we use two methods to fit the density profiles with an improved broken power law, and find that there are two break radii coincidin…