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The TOP-SCOPE Survey of Planck Galactic Cold Clumps: Molecular Gas Properties

  • Authors: Yang Yuebin, Jarken Esimbek, Tie Liu, Willem Baan, Xunchuan Liu, Kee-Tae Kim, Gang Wu, Xindi Tang, Jianjun Zhou, Dalei Li, Yuxin He, Sung-Ju Kang, Yingxiu Ma, Dongdong Zhou

Yang Yuebin et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 6.

Distributions and lognormal fits for three parameters derived from the 12CO and 13CO observations. (a) Tmb(12CO), the main-beam brightness temperature of 12CO. (b) The ratio Tmb(12CO)/Tmb(13CO). (c) Excitation temperature (Tex). Histograms show data from the TRAO telescope (this work) and comparative data from the PMO telescope (Y. Wu et al. 2012). Solid curves represent the best-fit lognormal distributions, with the fitted parameters (μ, σ) indicated in each panel.

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