Diffuse interstellar band λ6614 as a distance tracer for the Perseus, Taurus, and Orion molecular clouds: Feasibility and limitations

Open Access

Fig. 5

Distribution of λ_LSR6614 as a function of σ₆₆₁₄. The central panel shows a 2D histogram of λ_LSR6614 versus σ₆₆₁₄, with color intensity indicating the number of stars per bin. The top and right marginal histograms display the distributions of σ₆₆₁₄ and λ_LSR6614, respectively, with Gaussian fits overlaid in red. The corresponding mean (µ) and standard deviation (σ) are indicated in each panel.

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