Detection and Characterization of Exoplanets and Disks using Projections on Karhunen-Loeve Eigenimages

@article{Soummer2012DetectionAC,
  title={Detection and Characterization of Exoplanets and Disks using Projections on Karhunen-Loeve Eigenimages},
  author={R{\'e}mi Soummer and Laurent Pueyo and James E. Larkin},
  journal={arXiv: Instrumentation and Methods for Astrophysics},
  year={2012}
}
We describe a new method to achieve point spread function (PSF) subtractions for high- contrast imaging using Principal Component Analysis (PCA) that is applicable to both point sources or extended objects (disks). Assuming a library of reference PSFs, a Karhunen-Lo`eve transform of theses references is used to create an orthogonal basis of eigenimages, on which the science target is projected. For detection this approach provides comparable suppression to the Locally Optimized Combination of… Expand

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