A Practical Framework for Weight Map Construction in CCD Photometry
Dezi Liu, Yuan Fang
TL;DR
This paper introduces a practical framework for constructing weight maps in CCD photometry, incorporating various noise sources and providing equations for different data types and observational conditions.
Contribution
It offers a comprehensive and adaptable formulation for weight map construction in CCD photometry, including complete equations and simplified expressions.
Findings
Provides complete equations for weight map construction.
Includes simplified formulas for various observational scenarios.
Enhances accuracy in noise modeling for CCD data.
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.
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