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Newly Seen Debris Disks from the HST NICMOS Archive

Published online by Cambridge University Press:  06 January 2014

Marshall D. Perrin
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
Elodie Choquet
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
Christine Chen
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
John Debes
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
David Golimowski
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
J. Brendan Hagan
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
Dean C. Hines
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
Tushar Mittal
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA Johns Hopkins University, Baltimore MD, 21218USA
Margaret Moerchen
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
Mamadou N'Diaye
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
Laurent Pueyo
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA Johns Hopkins University, Baltimore MD, 21218USA
I. Neill Reid
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
Glenn Schneider
Affiliation:
University of Arizona, Tucson AZ, 85721USA
Schuyler Wolff
Affiliation:
Johns Hopkins University, Baltimore MD, 21218USA
Remi Soummer
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD, 21218USA
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Abstract

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By reprocessing the NICMOS coronagraphic archive using improved PSF subtraction methods, we have obtained new images of 5 debris disks, all previously unseen using classical PSF subtractions. Three of the disks are edge on and two appear to be ring like, one of which is extremely asymmetric.

Their stellar hosts are nearby, young F and G type stars (40-90 pc, 12–30 Myr), including one that is a close analog to the young sun at roughly the age at which terrestrial planets were assembling. This is a 25% increase in the sample of debris disks seen in scattered light. Analysis and modeling of the disk geometries is in process. Given these systems' youth, proximity, and brightness (V = 7.2 to 8.5), these will be superb targets for investigating planet formation, and are perfect targets for studies with GPI, SPHERE and JWST.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2013 

References

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