Tootfinder

The ALMaQUEST Survey XV: The Dependence of the Molecular-to-Atomic Gas Ratios on Resolved Optical Diagnostics
Niankun Yu, Zheng Zheng, Chao-Wei Tsai, Pei Zuo, Sara L. Ellison, David V. Stark, Di Li, Jingwen Wu, Karen L. Masters, Ting Xiao, Yinghui Zheng, Zongnan Li, Kai Zhang, Hongying Chen, Shu Liu, Sihan Jiao, Fanyi Meng
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The ALMaQUEST Survey XV: The Dependence of the Molecular-to-Atomic Gas Ratios on Resolved Optical Diagnostics
The atomic-to-molecular gas conversion is a critical step in the baryon cycle of galaxies, which sets the initial conditions for subsequent star formation and influences the multi-phase interstellar medium. We compiled a sample of 94 nearby galaxies with observations of multi-phase gas contents by utilizing public H I, CO, and optical IFU data from the MaNGA survey together with new FAST H I observations. In agreement with previous results, our sample shows that the global molecular-to-atomic g…