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FASHI DR2: A Catalog of 132 Low-redshift H I 21 cm Absorption Systems

  • Authors: Chuan-Peng Zhang, Ming Zhu, Peng Jiang, Hong Guo, Yizhou Gu, Cheng Cheng, Jin-Long Xu, Nai-Ping Yu, Xiao-Lan Liu, Bo Zhang

Chuan-Peng Zhang et al 2026 The Astrophysical Journal Supplement Series 287 .

  • Provider: AAS Journals

Caption: Figure 8.

The histogram of velocities for the principal H I absorption components with respect to the systemic velocity estimated from optical counterparts. The derived velocity error is about σ = 100 km s−1, shown with the shaded bar.

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