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    The Gemini Planet Imager View of the HD 32297 Debris Disk

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    Duchêne_2020_AJ_159_251.pdf
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    Author
    Duchêne, Gaspard
    Rice, Malena
    Hom, Justin
    Zalesky, Joseph
    Esposito, Thomas M. cc
    Millar-Blanchaer, Maxwell A.
    Ren, Bin
    Kalas, Paul
    Fitzgerald, Michael P. cc
    Arriaga, Pauline cc
    Bruzzone, Sebastian
    Bulger, Joanna cc
    Chen, Christine H.
    Chiang, Eugene
    Cotten, Tara cc
    Czekala, Ian
    De Rosa, Robert J.
    Dong, Ruobing cc
    Draper, Zachary H. cc
    Follette, Katherine B.
    Graham, James R.
    Hung, Li-Wei
    Lopez, Ronald
    Macintosh, Bruce cc
    Matthews, Brenda C. cc
    Mazoyer, Johan
    Metchev, Stan
    Patience, Jennifer
    Perrin, Marshall D.
    Rameau, Julien
    Song, Inseok cc
    Stahl, Kevin
    Wang, Jason
    Wolff, Schuyler
    Zuckerman, Ben
    Ammons, S. Mark cc
    Bailey, Vanessa P.
    Barman, Travis
    Chilcote, Jeffrey cc
    Doyon, Rene
    Gerard, Benjamin L. cc
    Goodsell, Stephen J.
    Greenbaum, Alexandra Z.
    Hibon, Pascale cc
    Ingraham, Patrick
    Konopacky, Quinn
    Maire, Jérôme
    Marchis, Franck cc
    Marley, Mark S. cc
    Marois, Christian cc
    Nielsen, Eric L. cc
    Oppenheimer, Rebecca cc
    Palmer, David
    Poyneer, Lisa
    Pueyo, Laurent
    Rajan, Abhijith cc
    Rantakyrö, Fredrik T. cc
    Ruffio, Jean-Baptiste cc
    Savransky, Dmitry cc
    Schneider, Adam C. cc
    Sivaramakrishnan, Anand cc
    Soummer, Rémi
    Thomas, Sandrine
    Ward-Duong, Kimberley
    Show allShow less
    Affiliation
    Univ Arizona, Lunar & Planetary Lab
    Issue Date
    2020-05-07
    Keywords
    Debris disks
    Circumstellar dust
    
    Metadata
    Show full item record
    Publisher
    IOP PUBLISHING LTD
    Citation
    Duchêne, G., Rice, M., Hom, J., Zalesky, J., Esposito, T. M., Millar-Blanchaer, M. A., ... & Ward-Duong, K. (2020). The Gemini Planet Imager view of the HD 32297 debris disk. The Astronomical Journal, 159(6), 251.
    Journal
    ASTRONOMICAL JOURNAL
    Rights
    © 2020. The American Astronomical Society. All rights reserved.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    We present new H-band scattered light images of the HD 32297 edge-on debris disk obtained with the Gemini Planet Imager. The disk is detected in total and polarized intensity down to a projected angular separation of 015, or 20 au. On the other hand, the large-scale swept-back halo remains undetected, likely a consequence of its markedly blue color relative to the parent body belt. We analyze the curvature of the disk spine and estimate a radius of 100 au for the parent body belt, smaller than past scattered light studies but consistent with thermal emission maps of the system. We employ three different flux-preserving post-processing methods to suppress the residual starlight and evaluate the surface brightness and polarization profile along the disk spine. Unlike past studies of the system, our high-fidelity images reveal the disk to be highly symmetric and devoid of morphological and surface brightness perturbations. We find the dust scattering properties of the system to be consistent with those observed in other debris disks, with the exception of HR 4796. Finally, we find no direct evidence for the presence of a planetary-mass object in the system.
    ISSN
    0004-6256
    DOI
    10.3847/1538-3881/ab8881
    Version
    Final published version
    Sponsors
    National Aeronautics and Space Administration
    ae974a485f413a2113503eed53cd6c53
    10.3847/1538-3881/ab8881
    Scopus Count
    Collections
    UA Faculty Publications

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