Excalibur: A Nonparametric, Hierarchical Wavelength Calibration Method for a Precision Spectrograph
Authors: Lily L. Zhao, David W. Hogg, Megan Bedell, and Debra A. Fischer
2021 The Astronomical Journal16180.
Provider: AAS Journals
Caption: Figure 10.
Per-line rms as a function of spacing between lines in units of resolution elements. The average line spacing is calculated using the average distance between LFC lines across the wavelength range.