Bright Star Subtraction Pipeline for LSST: Progress Review
arxiv(2024)
摘要
We present the Bright Star Subtraction (BSS) pipeline for the Vera C. Rubin
Observatory's Legacy Survey of Space and Time (LSST). This pipeline generates
an extended PSF model using observed stars and subtracts the model from the
bright stars in LSST data. When testing the pipeline on Hyper Suprime-Cam (HSC)
data, we find that the shape of the extended PSF model depends on the location
of the detector on the camera's focal plane. The closer a detector is to the
edge of the focal plane, the less the extended PSF model is circularly
symmetric. We introduce an algorithm that allows the user to consider the
location dependency of the model.
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