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Title: The peculiar debris disk of HD 111520 as resolved by the Gemini Planet Imager

Abstract

Using the Gemini Planet Imager, we have resolved the circumstellar debris disk around HD 111520 at a projected range of ~30–100 AU in both total and polarized H-band intensity. The disk is seen edge-on at a position angle of 165° along the spine of emission. A slight inclination and asymmetric warp are covariant and alter the interpretation of the observed disk emission. We employ three point-spread function subtraction methods to reduce the stellar glare and instrumental artifacts to confirm that there is a roughly 2:1 brightness asymmetry between the NW and SE extension. This specific feature makes HD 111520 the most extreme example of asymmetric debris disks observed in scattered light among similar highly inclined systems, such as HD 15115 and HD 106906. We further identify a tentative localized brightness enhancement and scale height enhancement associated with the disk at ~40 AU away from the star on the SE extension. We also find that the fractional polarization rises from 10% to 40% from 0".5 to 0".8 from the star. Lastly, the combination of large brightness asymmetry and symmetric polarization fraction leads us to believe that an azimuthal dust density variation is causing the observed asymmetry.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [1]; ORCiD logo [4];  [4];  [4];  [5]; ORCiD logo [6];  [7]; ORCiD logo [8];  [3];  [9]; ORCiD logo [10];  [11]; ORCiD logo [1]; ORCiD logo [12];  [13];  [14]; ORCiD logo [11] more »;  [15];  [9]; ORCiD logo [16]; ORCiD logo [1];  [17]; ORCiD logo [18];  [19];  [20]; ORCiD logo [8];  [8];  [20];  [9];  [8];  [16]; ORCiD logo [20]; ORCiD logo [12] « less
+ Show Author Affiliations
  1. Univ. of Victoria, Victoria, BC (Canada); National Research Council of Canada, Victoria, BC (Canada)
  2. Univ. of California, Berkeley, CA (United States); Univ. Grenoble Alpes/CNRS, Grenoble (France)
  3. Univ. of Toronto, Toronto, ON (Canada)
  4. Univ. of California, Berkeley, CA (United States)
  5. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
  6. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  7. Subaru Telescope, Hilo, HI (United States)
  8. Space Telescope Science Institute, Baltimore, MD (United States)
  9. Univ. de Montreal, Montreal, QC (Canada)
  10. Univ. of California, Los Angeles, CA (United States)
  11. Stanford Univ., Stanford, CA (United States)
  12. Space Telescope Science Institute, Baltimore, MD (United States); Johns Hopkins Univ., Baltimore, MD (United States)
  13. European Southern Observatory, Santiago (Chile)
  14. Univ. of Exeter, Exeter (United Kingdom)
  15. Large Synoptic Survey Telescope, Tucson, AZ (United States)
  16. SETI Institute, Mountain View, CA (United States)
  17. Stanford Univ., Stanford, CA (United States); SETI Institute, Mountain View, CA (United States)
  18. American Museum of Natural History, New York, NY (United States)
  19. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  20. Arizona State Univ., Tempe, AZ (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE; Natural Science and Engineering Research Council of Canada; National Science Foundation (NSF)
OSTI Identifier:
1352120
Report Number(s):
LLNL-JRNL-717838
Journal ID: ISSN 1538-4357
Grant/Contract Number:  
AC52-07NA27344; AST-0909188; AST-1313718; AST-141378; AST-1411868; NNX15AD95G/NEXSS; NNX14AJ80G; NNX11AD21G
Resource Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal (Online)
Additional Journal Information:
Journal Name: The Astrophysical Journal (Online); Journal Volume: 826; Journal Issue: 2; Journal ID: ISSN 1538-4357
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; circumstellar matter; stars: individual (HD 111520)

Citation Formats

Draper, Zachary H., Duchêne, Gaspard, Millar-Blanchaer, Maxwell A., Matthews, Brenda C., Wang, Jason J., Kalas, Paul, Graham, James R., Padgett, Deborah, Ammons, S. Mark, Bulger, Joanna, Chen, Christine, Chilcote, Jeffrey K., Doyon, René, Fitzgerald, Michael P., Follette, Kate B., Gerard, Benjamin, Greenbaum, Alexandra Z., Hibon, Pascale, Hinkley, Sasha, Macintosh, Bruce, Ingraham, Patrick, Lafrenière, David, Marchis, Franck, Marois, Christian, Nielsen, Eric L., Oppenheimer, Rebecca, Patel, Rahul, Patience, Jenny, Perrin, Marshall, Pueyo, Laurent, Rajan, Abhijith, Rameau, Julien, Sivaramakrishnan, Anand, Vega, David, Ward-Duong, Kimberly, and Wolff, Schuyler G.. The peculiar debris disk of HD 111520 as resolved by the Gemini Planet Imager. United States: N. p., 2016. Web. doi:10.3847/0004-637X/826/2/147.
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Draper, Zachary H., Duchêne, Gaspard, Millar-Blanchaer, Maxwell A., Matthews, Brenda C., Wang, Jason J., Kalas, Paul, Graham, James R., Padgett, Deborah, Ammons, S. Mark, Bulger, Joanna, Chen, Christine, Chilcote, Jeffrey K., Doyon, René, Fitzgerald, Michael P., Follette, Kate B., Gerard, Benjamin, Greenbaum, Alexandra Z., Hibon, Pascale, Hinkley, Sasha, Macintosh, Bruce, Ingraham, Patrick, Lafrenière, David, Marchis, Franck, Marois, Christian, Nielsen, Eric L., Oppenheimer, Rebecca, Patel, Rahul, Patience, Jenny, Perrin, Marshall, Pueyo, Laurent, Rajan, Abhijith, Rameau, Julien, Sivaramakrishnan, Anand, Vega, David, Ward-Duong, Kimberly, & Wolff, Schuyler G.. The peculiar debris disk of HD 111520 as resolved by the Gemini Planet Imager. United States. https://doi.org/10.3847/0004-637X/826/2/147
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Draper, Zachary H., Duchêne, Gaspard, Millar-Blanchaer, Maxwell A., Matthews, Brenda C., Wang, Jason J., Kalas, Paul, Graham, James R., Padgett, Deborah, Ammons, S. Mark, Bulger, Joanna, Chen, Christine, Chilcote, Jeffrey K., Doyon, René, Fitzgerald, Michael P., Follette, Kate B., Gerard, Benjamin, Greenbaum, Alexandra Z., Hibon, Pascale, Hinkley, Sasha, Macintosh, Bruce, Ingraham, Patrick, Lafrenière, David, Marchis, Franck, Marois, Christian, Nielsen, Eric L., Oppenheimer, Rebecca, Patel, Rahul, Patience, Jenny, Perrin, Marshall, Pueyo, Laurent, Rajan, Abhijith, Rameau, Julien, Sivaramakrishnan, Anand, Vega, David, Ward-Duong, Kimberly, and Wolff, Schuyler G.. Wed . "The peculiar debris disk of HD 111520 as resolved by the Gemini Planet Imager". United States. https://doi.org/10.3847/0004-637X/826/2/147. https://www.osti.gov/servlets/purl/1352120.
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@article{osti_1352120,
title = {The peculiar debris disk of HD 111520 as resolved by the Gemini Planet Imager},
author = {Draper, Zachary H. and Duchêne, Gaspard and Millar-Blanchaer, Maxwell A. and Matthews, Brenda C. and Wang, Jason J. and Kalas, Paul and Graham, James R. and Padgett, Deborah and Ammons, S. Mark and Bulger, Joanna and Chen, Christine and Chilcote, Jeffrey K. and Doyon, René and Fitzgerald, Michael P. and Follette, Kate B. and Gerard, Benjamin and Greenbaum, Alexandra Z. and Hibon, Pascale and Hinkley, Sasha and Macintosh, Bruce and Ingraham, Patrick and Lafrenière, David and Marchis, Franck and Marois, Christian and Nielsen, Eric L. and Oppenheimer, Rebecca and Patel, Rahul and Patience, Jenny and Perrin, Marshall and Pueyo, Laurent and Rajan, Abhijith and Rameau, Julien and Sivaramakrishnan, Anand and Vega, David and Ward-Duong, Kimberly and Wolff, Schuyler G.},
abstractNote = {Using the Gemini Planet Imager, we have resolved the circumstellar debris disk around HD 111520 at a projected range of ~30–100 AU in both total and polarized H-band intensity. The disk is seen edge-on at a position angle of 165° along the spine of emission. A slight inclination and asymmetric warp are covariant and alter the interpretation of the observed disk emission. We employ three point-spread function subtraction methods to reduce the stellar glare and instrumental artifacts to confirm that there is a roughly 2:1 brightness asymmetry between the NW and SE extension. This specific feature makes HD 111520 the most extreme example of asymmetric debris disks observed in scattered light among similar highly inclined systems, such as HD 15115 and HD 106906. We further identify a tentative localized brightness enhancement and scale height enhancement associated with the disk at ~40 AU away from the star on the SE extension. We also find that the fractional polarization rises from 10% to 40% from 0".5 to 0".8 from the star. Lastly, the combination of large brightness asymmetry and symmetric polarization fraction leads us to believe that an azimuthal dust density variation is causing the observed asymmetry.},
doi = {10.3847/0004-637X/826/2/147},
journal = {The Astrophysical Journal (Online)},
number = 2,
volume = 826,
place = {United States},
year = {2016},
month = {7}
}
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https://doi.org/10.3847/0004-637X/826/2/147
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journal, August 2012

Discovery of extreme asymmetry in the debris disk surrounding HD 15115
text, January 2007

Validation of the new Hipparcos reduction
text, January 2007

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text, January 2013

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text, January 2014

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text, January 2014

Gemini Planet Imager Observational Calibrations IX: Least-Squares Inversion Flux Extraction
text, January 2014

Non-azimuthal linear polarization in protoplanetary disks
text, January 2015

Direct imaging of an asymmetric debris disk in the HD 106906 planetary system
preprint, January 2015

Passive irradiated circumstellar disks with an inner hole
text, January 2001

The Signature of Primordial Grain Growth in the Polarized Light of the AU Mic Debris Disk
text, January 2006

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    The First Scattered-light Image of the Debris Disk around the Sco–Cen Target HD 129590
    journal, June 2017

    • Matthews, Elisabeth; Hinkley, Sasha; Vigan, Arthur
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    • DOI: 10.3847/2041-8213/aa7943

    First Resolved Scattered-light Images of Four Debris Disks in Scorpius-Centaurus with the Gemini Planet Imager
    journal, January 2020

    • Hom, Justin; Patience, Jennifer; Esposito, Thomas M.
    • The Astronomical Journal, Vol. 159, Issue 1
    • DOI: 10.3847/1538-3881/ab5af2

    An Optical/Near-infrared Investigation of HD 100546 b with the Gemini Planet Imager and MagAO
    journal, May 2017

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    • The Astronomical Journal, Vol. 153, Issue 6
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    Direct Imaging of the HD 35841 Debris Disk: A Polarized Dust Ring from Gemini Planet Imager and an Outer Halo from HST /STIS
    journal, July 2018

    • Esposito, Thomas M.; Duchêne, Gaspard; Kalas, Paul
    • The Astronomical Journal, Vol. 156, Issue 2
    • DOI: 10.3847/1538-3881/aacbc9

    Constraining the presence of giant planets in two-belt debris disc systems with VLT/SPHERE direct imaging and dynamical arguments
    journal, July 2018

    • Matthews, Elisabeth; Hinkley, Sasha; Vigan, Arthur
    • Monthly Notices of the Royal Astronomical Society, Vol. 480, Issue 2
    • DOI: 10.1093/mnras/sty1778

    An Exo–Kuiper Belt with an Extended Halo around HD 191089 in Scattered Light
    journal, September 2019

    • Ren, Bin; Choquet, Élodie; Perrin, Marshall D.
    • The Astrophysical Journal, Vol. 882, Issue 1
    • DOI: 10.3847/1538-4357/ab3403

    SCExAO/CHARIS Near-IR High-contrast Imaging and Integral Field Spectroscopy of the HIP 79977 Debris Disk
    journal, November 2018

    • Goebel, Sean; Currie, Thayne; Guyon, Olivier
    • The Astronomical Journal, Vol. 156, Issue 6
    • DOI: 10.3847/1538-3881/aaeb24

    GPI observational calibrations XIV: polarimetric contrasts and new data reduction techniques
    conference, August 2016

    • Millar-Blanchaer, Maxwell A.; Perrin, Marshall D.; Hung, Li-Wei
    • SPIE Astronomical Telescopes + Instrumentation, SPIE Proceedings
    • DOI: 10.1117/12.2233071

    An Optical/near-infrared investigation of HD 100546 b with the Gemini Planet Imager and MagAO
    text, January 2017

    An Exo-Kuiper Belt and An Extended Halo around HD 191089 in Scattered Light
    text, January 2019

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