A Practical Framework for Weight Map Construction in CCD Photometry
arXiv:2507.18679 · doi:10.3847/2515-5172/adf29b
Abstract
This note presents a practical formulation for constructing weight maps in CCD photometry, accounting for various noise contributions under the assumption of statistical independence. We provide complete equations for both electron-count and ADU-based imaging data, along with simplified expressions for different observational conditions.
4 pages, 1 table