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How accurate and reliable are the source lists?

April 26, 2017accurate lists source

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How accurate and reliable are the source lists?

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• Magnitude zeropoint errors < 0.10 mag, • RMS scatter versus published catalogs < 0.3 mag, • Less than 20% artifacts (e.g., cosmic rays, saturated sources, edge effects, etc.) Spot checks (PPT) spot checks show that we are well within our design goals for the ACS source lists.