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The Gemini Planet Imager View of the HD 32297 Debris Disk

Duchêne, Gaspard ; Rice, Malena ; Hom, Justin ; Zalesky, Joseph ; Esposito, Thomas M. ; Millar-Blanchaer, Maxwell A. ; Ren, Bin ; Kalas, Paul ; Fitzgerald, Michael P. ; Arriaga, Pauline ; Bruzzone, Sebastian ; Bulger, Joanna ; Chen, Christine H. ; Chiang, Eugene ; Cotten, Tara ; Czekala, Ian ; De Rosa, Robert J. ; Dong, Ruobing ; Draper, Zachary H. ; Follette, Katherine B. ; Graham, James R. ; Hung, Li-Wei ; Lopez, Ronald ; Macintosh, Bruce ; Matthews, Brenda C. ; Mazoyer, Johan ; Metchev, Stan ; Patience, Jennifer ; Perrin, Marshall D. ; Rameau, Julien ; Song, Inseok ; Stahl, Kevin ; Wang, Jason ; Wolff, Schuyler ; Zuckerman, Ben ; Ammons, S. Mark ; Bailey, Vanessa P. ; Barman, Travis ; Chilcote, Jeffrey ; Doyon, Rene ; Gerard, Benjamin L. ; Goodsell, Stephen J. ; Greenbaum, Alexandra Z. ; Hibon, Pascale ; Ingraham, Patrick ; Konopacky, Quinn ; Maire, Jérôme ; Marchis, Franck ; Marley, Mark S. ; Marois, Christian ; Nielsen, Eric L. ; Oppenheimer, Rebecca ; Palmer, David ; Poyneer, Lisa ; Pueyo, Laurent ; Rajan, Abhijith ; Rantakyrö, Fredrik T. ; Ruffio, Jean-Baptiste ; Savransky, Dmitry ; Schneider, Adam C. ; Sivaramakrishnan, Anand ; Soummer, Rémi ; Thomas, Sandrine ; Ward-Duong, Kimberley

The Astronomical journal, 2020-06, Vol.159 (6), p.251 [Periódico revisado por pares]

Madison: The American Astronomical Society

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Título:
The Gemini Planet Imager View of the HD 32297 Debris Disk
Autor: Duchêne, Gaspard ; Rice, Malena ; Hom, Justin ; Zalesky, Joseph ; Esposito, Thomas M. ; Millar-Blanchaer, Maxwell A. ; Ren, Bin ; Kalas, Paul ; Fitzgerald, Michael P. ; Arriaga, Pauline ; Bruzzone, Sebastian ; Bulger, Joanna ; Chen, Christine H. ; Chiang, Eugene ; Cotten, Tara ; Czekala, Ian ; De Rosa, Robert J. ; Dong, Ruobing ; Draper, Zachary H. ; Follette, Katherine B. ; Graham, James R. ; Hung, Li-Wei ; Lopez, Ronald ; Macintosh, Bruce ; Matthews, Brenda C. ; Mazoyer, Johan ; Metchev, Stan ; Patience, Jennifer ; Perrin, Marshall D. ; Rameau, Julien ; Song, Inseok ; Stahl, Kevin ; Wang, Jason ; Wolff, Schuyler ; Zuckerman, Ben ; Ammons, S. Mark ; Bailey, Vanessa P. ; Barman, Travis ; Chilcote, Jeffrey ; Doyon, Rene ; Gerard, Benjamin L. ; Goodsell, Stephen J. ; Greenbaum, Alexandra Z. ; Hibon, Pascale ; Ingraham, Patrick ; Konopacky, Quinn ; Maire, Jérôme ; Marchis, Franck ; Marley, Mark S. ; Marois, Christian ; Nielsen, Eric L. ; Oppenheimer, Rebecca ; Palmer, David ; Poyneer, Lisa ; Pueyo, Laurent ; Rajan, Abhijith ; Rantakyrö, Fredrik T. ; Ruffio, Jean-Baptiste ; Savransky, Dmitry ; Schneider, Adam C. ; Sivaramakrishnan, Anand ; Soummer, Rémi ; Thomas, Sandrine ; Ward-Duong, Kimberley
Assuntos: ASTRONOMY AND ASTROPHYSICS ; Astrophysics ; Circumstellar dust ; circumstellar matter ; Debris ; Debris disks ; Detritus ; Emission analysis ; Physics ; Planet detection ; Planets ; polarization ; Post-processing ; scattering ; Spine ; stars: individual (HD 32297) ; Surface brightness ; Thermal emission
É parte de: The Astronomical journal, 2020-06, Vol.159 (6), p.251
Notas: AAS22856
The Solar System, Exoplanets, and Astrobiology
AC52-07NA27344; AST-1411868; AST-141378; AST-1518332; NNX14AJ80G; NNX15AC89G; NNX15AD95G; DGE-1752134
National Aeronautics and Space Administration (NASA)
National Science Foundation (NSF)
USDOE National Nuclear Security Administration (NNSA)
LLNL-JRNL-829585
Descrição: 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 0 15, 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.
Editor: Madison: The American Astronomical Society
Idioma: Inglês

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The Gemini Planet Imager View of the HD 32297 Debris Disk

Madison: The American Astronomical Society

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