Kavli Affiliate: Eli Rykoff
| First 5 Authors: Andrés A. Plazas Malagón, Chris Waters, Alex Broughton, Eli Rykoff, Agnès Ferté
| Summary:
The Vera C. Rubin Legacy Survey of Space and Time (LSST) will conduct an
unprecedented optical survey of the southern sky, imaging the entire available
sky every few nights for 10 years. To achieve its ambitious science goals of
probing dark energy and dark matter, mapping the Milky Way, and exploring the
transient optical sky, the systematic errors in the LSST data must be
exquisitely controlled. Instrument signature removal (ISR) is a critical early
step in LSST data processing to remove inherent camera effects from the raw
images and produce accurate representations of the incoming light. This paper
describes the current state of the ISR pipelines implemented in the LSST
Science Pipelines software. The key steps in ISR are outlined, and the process
of generating and verifying the necessary calibration products to carry out ISR
is also discussed. Finally, an overview is given of how the Rubin data
management system utilizes a data Butler and calibration collections to
organize datasets and match images to appropriate calibrations during
processing. Precise ISR will be essential to realize the potential of LSST to
revolutionize astrophysics.
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