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The Galactic Disk North-south Asymmetry in Metallicity May Be A New Tracer for the Disk Warp
Weixiang Sun, Han Shen, Biwei Jiang +1
Galactic disk warp has been widely characterized by stellar distributions and stellar kinematics but has not been traced by stellar chemistry. Here, we use a sample with over 170,0…
Orbits and vertical height distribution of 4006 open clusters in the Galactic disk using Gaia DR3
Geeta Rangwal, Aman Arya, Annapurni Subramaniam +2
Open clusters (OCs) in the Galaxy are excellent probes for tracing the structure and evolution of the Galactic disk. We present an updated catalog of parameters for 1,145 OCs, esti…
On the chemical and kinematic signatures of the resonances of the Galactic bar as revealed by the LAMOST-APOGEE red clump stars
Weixiang Sun, Han Shen, Biwei Jiang +1
The Milky Way is widely considered to exhibit features of a rotational bar or quadrupole bar. In either case, the feature of the resonance of the Galactic bar should be present in…
Mapping the Chemo-dynamics of the Galactic disk using the LAMOST and APOGEE red clump stars
Weixiang Sun, Han Shen, Biwei Jiang +1
A detailed measurement is made of the metallicity distributions, kinematics and dynamics of the thin and thick disks, across a large disk volume (5.0 15.0 kpc and…