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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 .

Caption: Figure 4.

The histograms of line width (upper) and peak optical depth (lower) for the 21 cm H I absorbers in FASHI and K. Geréb et al. (2015).