Figure 1 from The Radio Sky at Meter Wavelengths: m-mode Analysis Imaging with the OVRO-LWA

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The Radio Sky at Meter Wavelengths: m-mode Analysis Imaging with the OVRO-LWA

Authors: Michael W. Eastwood, Marin M. Anderson, Ryan M. Monroe, Gregg Hallinan, Benjamin R. Barsdell, Stephen A. Bourke, M. A. Clark, Steven W. Ellingson, Jayce Dowell, Hugh Garsden, Lincoln J. Greenhill, Jacob M. Hartman, Jonathon Kocz, T. Joseph W. Lazio, Danny C. Price, Frank K. Schinzel, Gregory B. Taylor, Harish K. Vedantham, Yuankun Wang, and David P. Woody

2018 The Astronomical Journal 156 32.

Provider: AAS Journals

Caption: Figure 1.

Example L curve computed from OVRO-LWA data at 36.528 MHz by trialing 200 different values of the regularization parameter ε. The x-axis is the norm of the solution (in this case, the spherical harmonic coefficients) given in arbitrary units, and the y-axis is the least-squares norm given in arbitrary units. Where the regularization parameter is small, the norm of the solution grows rapidly. Where the regularization parameter is large, the least-squares norm grows rapidly.

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