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A Method for Optimal Image Subtraction

  • Authors: C. Alard and Robert H. Lupton

Alard & Lupton 1998 The Astrophysical Journal 503 325.

  • Provider: AAS Journals

Caption: Fig. 3.

Examples of bright giant light curves. The x‐axes are days, the y‐axes are percentage variation (with respect to reference frame). Errors bars are derived from the Poisson deviations associated with each image; we do not include the deviations associated with the reference image.

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