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Title:
Archival Legacy Investigation of Circumstellar Environments using KLIP algorithm on HST NICMOS coronagraphic data
Authors:
Choquet, Elodie; Hagan, J. Brendan; Pueyo, Laurent; Perrin, Marshall D.; Hines, Dean C.; Chen, Christine; Schneider, Glenn; Debes, John; Golimowski, David; Reid, Neill; Mittal, Tushar; Moerchen, Margaret; N'Diaye, Mamadou; Rajan, Abhijith; Lonsdale, Sean; Soummer, Remi
Affiliation:
AA(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AB(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AC(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AD(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AE(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AF(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AG(University of Arizona), AH(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AI(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AJ(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AK(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AL(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AM(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA), AN(Arizona State University), AO(), AP(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218, USA)
Publication:
Exploring the Formation and Evolution of Planetary Systems, Proceedings of the International Astronomical Union, IAU Symposium, Volume 299, pp. 30-31
Publication Date:
01/2014
Origin:
CUP
Keywords:
techniques: image processing, planetary systems,
Abstract Copyright:
(c) 2014: Copyright © International Astronomical Union 2013
DOI:
10.1017/S1743921313007722
Bibliographic Code:
2014IAUS..299...30C

Abstract

The Archival Legacy Investigation of Circumstellar Environments (ALICE) project (AR-12652) is currently conducting a comprehensive and consistent reprocessing of HST-NICMOS coronagraphic survey data to search for point sources and disks using advanced PSF subtraction. The KLIP algorithm (Karhunen-Loève Image Projection) was developed for this project, and has proven very effective at processing the hundreds of selected archival images. This project has already been very successful with numerous detections of previously unseen point sources and several resolved debris disks that we are currently following up by multiple avenues. We give an overview of the project including preliminary scientific results with companion candidates and improved images of known disks

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