On advanced estimation techniques for exoplanet detection and characterization using ground-based coronagraphs

Peter R. Lawson, Lisa Poyneer, Harrison H Barrett, Richard Frazin, Luca Caucci, Nicholas Devaney, Lars R Furenlid, Szymon G. Ladysz, Olivier Guyon, John Krista, Jérôme Maire, Christian Marois, Dimitri Mawet, David Mouillet, Laurent Mugnier, Iain Pearson, Marshall Perrin, Laurent Pueyo, Dmitry Savransky

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

The direct imaging of planets around nearby stars is exceedingly difficult. Only about 14 exoplanets have been imaged to date that have masses less than 13 times that of Jupiter. The next generation of planet-finding coronagraphs, including VLT-SPHERE, the Gemini Planet Imager, Palomar P1640, and Subaru HiCIAO have predicted contrast performance of roughly a thousand times less than would be needed to detect Earth-like planets. In this paper we review the state of the art in exoplanet imaging, most notably the method of Locally Optimized Combination of Images (LOCI), and we investigate the potential of improving the detectability of faint exoplanets through the use of advanced statistical methods based on the concepts of the ideal observer and the Hotelling observer. We propose a formal comparison of techniques using a blind data challenge with an evaluation of performance using the Receiver Operating Characteristic (ROC) and Localization ROC (LROC) curves. We place particular emphasis on the understanding and modeling of realistic sources of measurement noise in ground-based AO-corrected coronagraphs. The work reported in this paper is the result of interactions between the co-authors during a week-long workshop on exoplanet imaging that was held in Squaw Valley, California, in March of 2012.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume8447
DOIs
StatePublished - 2012
EventAdaptive Optics Systems III - Amsterdam, Netherlands
Duration: Jul 1 2012Jul 6 2012

Other

OtherAdaptive Optics Systems III
CountryNetherlands
CityAmsterdam
Period7/1/127/6/12

Fingerprint

planet detection
Coronagraph
Exoplanets
coronagraphs
Planets
extrasolar planets
planets
Imaging
Imaging techniques
Observer
receivers
Detectability
Operating Characteristics
Receiver Operating Characteristic Curve
noise measurement
Imager
Jupiter (planet)
Image sensors
Statistical method
Stars

Keywords

  • Adaptive optics
  • Coronagraphs
  • Exoplanets
  • Instrumentation
  • Theory

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Lawson, P. R., Poyneer, L., Barrett, H. H., Frazin, R., Caucci, L., Devaney, N., ... Savransky, D. (2012). On advanced estimation techniques for exoplanet detection and characterization using ground-based coronagraphs. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 8447). [844722] https://doi.org/10.1117/12.925099

On advanced estimation techniques for exoplanet detection and characterization using ground-based coronagraphs. / Lawson, Peter R.; Poyneer, Lisa; Barrett, Harrison H; Frazin, Richard; Caucci, Luca; Devaney, Nicholas; Furenlid, Lars R; Ladysz, Szymon G.; Guyon, Olivier; Krista, John; Maire, Jérôme; Marois, Christian; Mawet, Dimitri; Mouillet, David; Mugnier, Laurent; Pearson, Iain; Perrin, Marshall; Pueyo, Laurent; Savransky, Dmitry.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8447 2012. 844722.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lawson, PR, Poyneer, L, Barrett, HH, Frazin, R, Caucci, L, Devaney, N, Furenlid, LR, Ladysz, SG, Guyon, O, Krista, J, Maire, J, Marois, C, Mawet, D, Mouillet, D, Mugnier, L, Pearson, I, Perrin, M, Pueyo, L & Savransky, D 2012, On advanced estimation techniques for exoplanet detection and characterization using ground-based coronagraphs. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 8447, 844722, Adaptive Optics Systems III, Amsterdam, Netherlands, 7/1/12. https://doi.org/10.1117/12.925099
Lawson PR, Poyneer L, Barrett HH, Frazin R, Caucci L, Devaney N et al. On advanced estimation techniques for exoplanet detection and characterization using ground-based coronagraphs. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8447. 2012. 844722 https://doi.org/10.1117/12.925099
Lawson, Peter R. ; Poyneer, Lisa ; Barrett, Harrison H ; Frazin, Richard ; Caucci, Luca ; Devaney, Nicholas ; Furenlid, Lars R ; Ladysz, Szymon G. ; Guyon, Olivier ; Krista, John ; Maire, Jérôme ; Marois, Christian ; Mawet, Dimitri ; Mouillet, David ; Mugnier, Laurent ; Pearson, Iain ; Perrin, Marshall ; Pueyo, Laurent ; Savransky, Dmitry. / On advanced estimation techniques for exoplanet detection and characterization using ground-based coronagraphs. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8447 2012.
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