Complex Spiral Structure in the HD 100546 Transitional Disk as Revealed by GPI and MagAO

Katherine B. Follette, Julien Rameau, Ruobing Dong, Laurent Pueyo, Laird M. Close, Gaspard Duchêne, Jeffrey Fung, Clare Leonard, Bruce MacIntosh, Jared R. Males, Christian Marois, Maxwell A. Millar-Blanchaer, Katie M. Morzinski, Wyatt Mullen, Marshall Perrin, Elijah Spiro, Jason Wang, S. Mark Ammons, Vanessa P. Bailey, Travis Barman & 36 others Joanna Bulger, Jeffrey Chilcote, Tara Cotten, Robert J. De Rosa, Rene Doyon, Michael P. Fitzgerald, Stephen J. Goodsell, James R. Graham, Alexandra Z. Greenbaum, Pascale Hibon, Li Wei Hung, Patrick Ingraham, Paul Kalas, Quinn Konopacky, James E. Larkin, Jérôme Maire, Franck Marchis, Stanimir Metchev, Eric L. Nielsen, Rebecca Oppenheimer, David Palmer, Jennifer Patience, Lisa Poyneer, Abhijith Rajan, Fredrik T. Rantakyrö, Dmitry Savransky, Adam C. Schneider, Anand Sivaramakrishnan, Inseok Song, Remi Soummer, Sandrine Thomas, David Vega, J. Kent Wallace, Kimberly Ward-Duong, Sloane Wiktorowicz, Schuyler Wolff

Research output: Research - peer-reviewArticle

  • 1 Citations

Abstract

We present optical and near-infrared high-contrast images of the transitional disk HD 100546 taken with the Magellan Adaptive Optics system (MagAO) and the Gemini Planet Imager (GPI). GPI data include both polarized intensity and total intensity imagery, and MagAO data are taken in Simultaneous Differential Imaging mode at Hα. The new GPI H-band total intensity data represent a significant enhancement in sensitivity and field rotation compared to previous data sets and enable a detailed exploration of substructure in the disk. The data are processed with a variety of differential imaging techniques (polarized, angular, reference, and simultaneous differential imaging) in an attempt to identify the disk structures that are most consistent across wavelengths, processing techniques, and algorithmic parameters. The inner disk cavity at 15 au is clearly resolved in multiple data sets, as are a variety of spiral features. While the cavity and spiral structures are identified at levels significantly distinct from the neighboring regions of the disk under several algorithms and with a range of algorithmic parameters, emission at the location of HD 100546 "c" varies from point-like under aggressive algorithmic parameters to a smooth continuous structure with conservative parameters, and is consistent with disk emission. Features identified in the HD 100546 disk bear qualitative similarity to computational models of a moderately inclined two-armed spiral disk, where projection effects and wrapping of the spiral arms around the star result in a number of truncated spiral features in forward-modeled images.

LanguageEnglish (US)
Article number264
JournalAstronomical Journal
Volume153
Issue number6
DOIs
StatePublished - Jun 1 2017

Fingerprint

adaptive optics
planets
planet
parameter
cavity
cavities
near infrared
imagery
wavelength
effect
data systems
image contrast
bears
substructures
imaging techniques
projection
stars
augmentation
sensitivity
wavelengths

Keywords

  • instrumentation: adaptive optics
  • planet-disk interaction
  • protoplanetary disk
  • stars: individual (HD 100546)

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Follette, K. B., Rameau, J., Dong, R., Pueyo, L., Close, L. M., Duchêne, G., ... Wolff, S. (2017). Complex Spiral Structure in the HD 100546 Transitional Disk as Revealed by GPI and MagAO. Astronomical Journal, 153(6), [264]. DOI: 10.3847/1538-3881/aa6d85

Complex Spiral Structure in the HD 100546 Transitional Disk as Revealed by GPI and MagAO. / Follette, Katherine B.; Rameau, Julien; Dong, Ruobing; Pueyo, Laurent; Close, Laird M.; Duchêne, Gaspard; Fung, Jeffrey; Leonard, Clare; MacIntosh, Bruce; Males, Jared R.; Marois, Christian; Millar-Blanchaer, Maxwell A.; Morzinski, Katie M.; Mullen, Wyatt; Perrin, Marshall; Spiro, Elijah; Wang, Jason; Ammons, S. Mark; Bailey, Vanessa P.; Barman, Travis; Bulger, Joanna; Chilcote, Jeffrey; Cotten, Tara; De Rosa, Robert J.; Doyon, Rene; Fitzgerald, Michael P.; Goodsell, Stephen J.; Graham, James R.; Greenbaum, Alexandra Z.; Hibon, Pascale; Hung, Li Wei; Ingraham, Patrick; Kalas, Paul; Konopacky, Quinn; Larkin, James E.; Maire, Jérôme; Marchis, Franck; Metchev, Stanimir; Nielsen, Eric L.; Oppenheimer, Rebecca; Palmer, David; Patience, Jennifer; Poyneer, Lisa; Rajan, Abhijith; Rantakyrö, Fredrik T.; Savransky, Dmitry; Schneider, Adam C.; Sivaramakrishnan, Anand; Song, Inseok; Soummer, Remi; Thomas, Sandrine; Vega, David; Wallace, J. Kent; Ward-Duong, Kimberly; Wiktorowicz, Sloane; Wolff, Schuyler.

In: Astronomical Journal, Vol. 153, No. 6, 264, 01.06.2017.

Research output: Research - peer-reviewArticle

Follette, KB, Rameau, J, Dong, R, Pueyo, L, Close, LM, Duchêne, G, Fung, J, Leonard, C, MacIntosh, B, Males, JR, Marois, C, Millar-Blanchaer, MA, Morzinski, KM, Mullen, W, Perrin, M, Spiro, E, Wang, J, Ammons, SM, Bailey, VP, Barman, T, Bulger, J, Chilcote, J, Cotten, T, De Rosa, RJ, Doyon, R, Fitzgerald, MP, Goodsell, SJ, Graham, JR, Greenbaum, AZ, Hibon, P, Hung, LW, Ingraham, P, Kalas, P, Konopacky, Q, Larkin, JE, Maire, J, Marchis, F, Metchev, S, Nielsen, EL, Oppenheimer, R, Palmer, D, Patience, J, Poyneer, L, Rajan, A, Rantakyrö, FT, Savransky, D, Schneider, AC, Sivaramakrishnan, A, Song, I, Soummer, R, Thomas, S, Vega, D, Wallace, JK, Ward-Duong, K, Wiktorowicz, S & Wolff, S 2017, 'Complex Spiral Structure in the HD 100546 Transitional Disk as Revealed by GPI and MagAO' Astronomical Journal, vol 153, no. 6, 264. DOI: 10.3847/1538-3881/aa6d85
Follette KB, Rameau J, Dong R, Pueyo L, Close LM, Duchêne G et al. Complex Spiral Structure in the HD 100546 Transitional Disk as Revealed by GPI and MagAO. Astronomical Journal. 2017 Jun 1;153(6). 264. Available from, DOI: 10.3847/1538-3881/aa6d85
Follette, Katherine B. ; Rameau, Julien ; Dong, Ruobing ; Pueyo, Laurent ; Close, Laird M. ; Duchêne, Gaspard ; Fung, Jeffrey ; Leonard, Clare ; MacIntosh, Bruce ; Males, Jared R. ; Marois, Christian ; Millar-Blanchaer, Maxwell A. ; Morzinski, Katie M. ; Mullen, Wyatt ; Perrin, Marshall ; Spiro, Elijah ; Wang, Jason ; Ammons, S. Mark ; Bailey, Vanessa P. ; Barman, Travis ; Bulger, Joanna ; Chilcote, Jeffrey ; Cotten, Tara ; De Rosa, Robert J. ; Doyon, Rene ; Fitzgerald, Michael P. ; Goodsell, Stephen J. ; Graham, James R. ; Greenbaum, Alexandra Z. ; Hibon, Pascale ; Hung, Li Wei ; Ingraham, Patrick ; Kalas, Paul ; Konopacky, Quinn ; Larkin, James E. ; Maire, Jérôme ; Marchis, Franck ; Metchev, Stanimir ; Nielsen, Eric L. ; Oppenheimer, Rebecca ; Palmer, David ; Patience, Jennifer ; Poyneer, Lisa ; Rajan, Abhijith ; Rantakyrö, Fredrik T. ; Savransky, Dmitry ; Schneider, Adam C. ; Sivaramakrishnan, Anand ; Song, Inseok ; Soummer, Remi ; Thomas, Sandrine ; Vega, David ; Wallace, J. Kent ; Ward-Duong, Kimberly ; Wiktorowicz, Sloane ; Wolff, Schuyler. / Complex Spiral Structure in the HD 100546 Transitional Disk as Revealed by GPI and MagAO. In: Astronomical Journal. 2017 ; Vol. 153, No. 6.
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abstract = "We present optical and near-infrared high-contrast images of the transitional disk HD 100546 taken with the Magellan Adaptive Optics system (MagAO) and the Gemini Planet Imager (GPI). GPI data include both polarized intensity and total intensity imagery, and MagAO data are taken in Simultaneous Differential Imaging mode at Hα. The new GPI H-band total intensity data represent a significant enhancement in sensitivity and field rotation compared to previous data sets and enable a detailed exploration of substructure in the disk. The data are processed with a variety of differential imaging techniques (polarized, angular, reference, and simultaneous differential imaging) in an attempt to identify the disk structures that are most consistent across wavelengths, processing techniques, and algorithmic parameters. The inner disk cavity at 15 au is clearly resolved in multiple data sets, as are a variety of spiral features. While the cavity and spiral structures are identified at levels significantly distinct from the neighboring regions of the disk under several algorithms and with a range of algorithmic parameters, emission at the location of HD 100546 {"}c{"} varies from point-like under aggressive algorithmic parameters to a smooth continuous structure with conservative parameters, and is consistent with disk emission. Features identified in the HD 100546 disk bear qualitative similarity to computational models of a moderately inclined two-armed spiral disk, where projection effects and wrapping of the spiral arms around the star result in a number of truncated spiral features in forward-modeled images.",
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AU - Close,Laird M.

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AU - Fung,Jeffrey

AU - Leonard,Clare

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AU - Males,Jared R.

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AU - Millar-Blanchaer,Maxwell A.

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AU - Mullen,Wyatt

AU - Perrin,Marshall

AU - Spiro,Elijah

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AU - Ammons,S. Mark

AU - Bailey,Vanessa P.

AU - Barman,Travis

AU - Bulger,Joanna

AU - Chilcote,Jeffrey

AU - Cotten,Tara

AU - De Rosa,Robert J.

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AU - Schneider,Adam C.

AU - Sivaramakrishnan,Anand

AU - Song,Inseok

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AU - Thomas,Sandrine

AU - Vega,David

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KW - instrumentation: adaptive optics

KW - planet-disk interaction

KW - protoplanetary disk

KW - stars: individual (HD 100546)

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