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arXiv · 2003.05592

A new moving group in the Local Arm

Xilong Liang·Jingkun Zhao·Yuqin Chen·Xiangsong Fang·Xianhao Ye·Jiajun Zhang·Xiaoming Kong·Gang Zhao
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Abstract

We present a new moving group clustered in kinematics, spatial position and elemental abundances. Its spatial position is around the center of the Local Arm of the Milky Way. A convergent point method was taken to select candidate member stars.\textbf{ Among 206 candidate member stars, 74 are pre-main-sequence stars and some of them have stellar disks.} We presume those pre-main sequence stars belong to Orion nebula. We suggest this moving group is caused by density wave of the Local Arm passing by.

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Xilong Liang, Jingkun Zhao, Yuqin Chen, Xiangsong Fang, Xianhao Ye, Jiajun Zhang, Xiaoming Kong, Gang Zhao. 2020-03-12. A new moving group in the Local Arm. https://doi.org/10.3847/1538-3881%2Fab7fa9

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