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Galactic H II Regions in the LAMOST Medium-Resolution Spectroscopic Survey of Nebulae

  • Authors: Yunning Zhao, Wei Zhang, Lin Ma, Shiming Wen, Tao Jing, Cheng Li, Zheng Zheng, Aiyuan Yang, Shichao Han, Juanjuan Ren, Jianjun Chen, Hong Wu, Yongheng Zhao

Yunning Zhao et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 11.

2D distributions from face-on view of the Milky Way. The colors of points indicate the values of Te, ne, and ﹩12+\mathrm{log}({\rm{O}}/{\rm{H}})﹩. The color bars on the right show the range of each parameter. In panels (a)−(c), the number of H II regions is 227, 94, and 246, respectively.

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