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PreprintCC BY-NC-SA 4.0arXiv

An open-source data processing pipeline for Keck / NIRC2-Polarimetry

  • Briley L. Lewis
  • Maxwell A. Millar-Blanchaer
  • Rebecca Zhang
  • Jayke Nguyen
  • Max Brodheim
  • Ashish Uhlmann
Open at sourcePDFDOICite

Abstract

The Keck/NIRC2 infrared imager was recently upgraded with a new suite of polarimetric observing modes. This polarimetry upgrade (referred to as NIRC2-Pol) will open up a wide range of new astronomical studies, including investigations of exoplanets, the Galactic center, active galactic nuclei and the solar system. Astronomical polarimeters require sophisticated data reduction, especially for quantitative polarimetry requiring the use of a Mueller Matrix model for instrumental polarization calibration. This work presents the design of a flexible, user-friendly, open-source data processing pipeline intended for use with NIRC2-Pol, summarizing its key steps and details of its ongoing implementation.

Versions

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Cite

BibTeXRIS
BibTeX
@misc{lewis2026opensource,
  title = {{An open-source data processing pipeline for Keck / NIRC2-Polarimetry}},
  author = {Briley L. Lewis and Maxwell A. Millar-Blanchaer and Rebecca Zhang and Jayke Nguyen and Max Brodheim and Ashish Uhlmann},
  howpublished = {arXiv},
  year = {2026},
  month = aug,
  doi = {10.48550/arxiv.2608.14864},
  eprint = {2608.14864},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.14864},
  note = {CC BY-NC-SA 4.0},
}
RIS
TY  - UNPB
TI  - An open-source data processing pipeline for Keck / NIRC2-Polarimetry
AU  - Briley L. Lewis
AU  - Maxwell A. Millar-Blanchaer
AU  - Rebecca Zhang
AU  - Jayke Nguyen
AU  - Max Brodheim
AU  - Ashish Uhlmann
PY  - 2026
DA  - 2026/08/14
PB  - arXiv
DO  - 10.48550/arxiv.2608.14864
UR  - https://arxiv.org/abs/2608.14864
AB  - The Keck/NIRC2 infrared imager was recently upgraded with a new suite of polarimetric observing modes. This polarimetry upgrade (referred to as NIRC2-Pol) will open up a wide range of new astronomical studies, including investigations of exoplanets, the Galactic center, active galactic nuclei and the solar system. Astronomical polarimeters require sophisticated data reduction, especially for quantitative polarimetry requiring the use of a Mueller Matrix model for instrumental polarization calibration. This work presents the design of a flexible, user-friendly, open-source data processing pipeline intended for use with NIRC2-Pol, summarizing its key steps and details of its ongoing implementation.
ER  -