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Title: First scattered-light image of the debris disk around HD 131835 with the Gemini Planet Imager

Journal Article · · The Astrophysical Journal. Letters (Online)
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  1. Univ. of California, Los Angeles, CA (United States)
  2. Univ. of California, Berkeley, CA (United States); Univ. Grenoble Alpes, Grenoble (France); CNRS, Grenoble (France)
  3. Univ. of Toronto, Toronto, ON (Canada)
  4. National Research Council of Canada Herzberg, Victoria, BC (Canada); Univ. of Victoria, Victoria, BC (Canada)
  5. Univ. of Western Ontario, London, ON (Canada)
  6. Arizona State Univ., Tempe, AZ (United States)
  7. Space Telescope Science Institute, Baltimore, MD (United States)
  8. Univ. of California, Berkeley, CA (United States)
  9. Univ. of Californa, San Diego, La Jolla, CA (United States)
  10. Space Telescope Science Institute, Baltimore, MD (United States); Johns Hopkins Univ., Baltimore, MD (United States)
  11. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  12. Univ. of Victoria, Victoria, BC (Canada)
  13. Univ. of California, Los Angeles, CA (United States); Univ. of California, Berkeley, CA (United States)
  14. Gemini Observatory, La Serena (Chile); Durham Univ., Durham (United Kingdom)
  15. Gemini Observatory, La Serena (Chile)
  16. Univ. of Exeter, Exeter (United Kingdom)
  17. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Stanford Univ., Stanford, CA (United States)
  18. SETI Institute, Mountain View, CA (United States)
  19. Univ. of Western Ontario, London, ON (Canada); Stony Brook Univ., Stony Brook, NY (United States)
  20. Stanford Univ., Stanford, CA (United States); SETI Institute, Mountain View, CA (United States)
  21. American Museum of Natural History, New York, NY (United States)
  22. Univ. of California, Santa Cruz, CA (United States)
+ Show Author Affiliations

Here, we present the first scattered-light image of the debris disk around HD 131835 in the H band using the Gemini Planet Imager. HD 131835 is a ~15 Myr old A2IV star at a distance of ~120 pc in the Sco-Cen OB association. We detect the disk only in polarized light and place an upper limit on the peak total intensity. No point sources resembling exoplanets were identified. Compared to its mid-infrared thermal emission, in scattered light the disk shows similar orientation but different morphology. The scattered-light disk extends from ~75 to ~210 AU in the disk plane with roughly flat surface density. Our Monte Carlo radiative transfer model can describe the observations with a model disk composed of a mixture of silicates and amorphous carbon. In addition to the obvious brightness asymmetry due to stronger forward scattering, we discover a weak brightness asymmetry along the major axis, with the northeast side being 1.3 times brighter than the southwest side at a 3σ level.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1324520
Report Number(s):
LLNL-JRNL-678635
Journal Information:
The Astrophysical Journal. Letters (Online), Vol. 815, Issue 1; ISSN 2041-8213
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 24 works
Citation information provided by
Web of Science

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Cited By (18)

Modeling the Spatial Distribution and Origin of CO Gas in Debris Disks journal June 2019
SPHERE: the exoplanet imager for the Very Large Telescope journal November 2019
First Resolved Scattered-light Images of Four Debris Disks in Scorpius-Centaurus with the Gemini Planet Imager journal January 2020
IMAGING AN 80 au RADIUS DUST RING AROUND THE F5V STAR HD 157587 journal October 2016
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
Imaging Extrasolar Giant Planets journal August 2016
An Exo–Kuiper Belt with an Extended Halo around HD 191089 in Scattered Light journal September 2019
SCExAO/CHARIS Near-IR High-contrast Imaging and Integral Field Spectroscopy of the HIP 79977 Debris Disk journal November 2018
A Comprehensive Census of Nearby Infrared Excess Stars journal July 2016
Debris Disks in the Scorpius–Centaurus ob Association Resolved by alma journal August 2016
Gemini Planet Imager observational calibrations XI: pipeline improvements and enhanced calibrations after two years on sky conference August 2016
The exoplanet handbook: Book Review journal March 2012
SPHERE: the exoplanet imager for the Very Large Telescope text January 2019
Imaging Extrasolar Giant Planets text January 2016
Debris Disks in the Scorpius-Centaurus OB Association Resolved by ALMA text January 2016
Imaging an 80 AU Radius Dust Ring Around the F5V Star HD 157587 text January 2016
Modelling the Spatial Distribution and Origin of CO Gas in Debris Disks text January 2019
An Exo-Kuiper Belt and An Extended Halo around HD 191089 in Scattered Light text January 2019

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
circumstellar matter
infrared: stars
stars: individual (HD 131835)