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Newly Seen Debris Disks from the HST NICMOS Archive

  • Marshall D. Perrin (a1), Elodie Choquet (a1), Christine Chen (a1), John Debes (a1), David Golimowski (a1), J. Brendan Hagan (a1), Dean C. Hines (a1), Tushar Mittal (a1) (a2), Margaret Moerchen (a1), Mamadou N'Diaye (a1), Laurent Pueyo (a1) (a2), I. Neill Reid (a1), Glenn Schneider (a3), Schuyler Wolff (a2) and Remi Soummer (a1)...

Abstract

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.

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References

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Churcher, L., Wyatt, M., & Smith, R. 2011, MNRAS, 410, 2
Krist, J. E., Stapelfeldt, K. R., Bryden, G., et al. 2010, AJ, 140, 1051
Krist, J. 2007, Proceedings of the “Spirit of Lyot” conference.
Soummer, R., Pueyo, L. & Larkin, J. 2012, ApJ, 755, L28
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Newly Seen Debris Disks from the HST NICMOS Archive

  • Marshall D. Perrin (a1), Elodie Choquet (a1), Christine Chen (a1), John Debes (a1), David Golimowski (a1), J. Brendan Hagan (a1), Dean C. Hines (a1), Tushar Mittal (a1) (a2), Margaret Moerchen (a1), Mamadou N'Diaye (a1), Laurent Pueyo (a1) (a2), I. Neill Reid (a1), Glenn Schneider (a3), Schuyler Wolff (a2) and Remi Soummer (a1)...

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