Published April 8, 2024 | Version 0.1.0
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Complete Data and Results for "Four-of-a-kind? Comprehensive atmospheric characterisation of the HR~8799 planets with VLTI/GRAVITY"

  • 1. Max Planck Institute for Astronomy
  • 1. Max Planck Institute for Astronomy
  • 2. CNRS Délégation Ile-de-France Ouest et Nord
  • 3. ROR icon University of Cambridge
  • 4. ROR icon Leiden Observatory
  • 5. ROR icon Northwestern University
  • 6. ROR icon European Southern Observatory
  • 7. ROR icon Johns Hopkins University
  • 8. ROR icon Space Telescope Science Institute
  • 9. ROR icon Max Planck Institute for Extraterrestrial Physics

Description

Four-of-a-kind? Comprehensive atmospheric characterisation of the HR~8799 planets with VLTI/GRAVITY

We explored the atmospheres of the HR 8799 system of directly imaged planets using petitRADTRANS atmospheric retrievals. This required reprocessing existing data, preparing new observations from VLTI/GRAVITY and combining additional archival spectroscopic and photometric datasets. We ran 95 retrievals across the four planets, and include here the full set of outputs from the sampling process, as well as synthesised results for each retrieval. Finally, we also include templates for running these retrievals.

This data, together with the results of the retrievals and templates for running similar emission spectra retrievals are included in this Zenodo archive. Additional README files are included throughout the archive in order to explain file structures, units, and to provide original references where necessary. An archived repository of the petitRADTRANS code can be found at https://doi.org/10.5281/zenodo.10892021, while the up-to-date repository is available at https://gitlab.com/mauricemolli/petitRADTRANS.

Files

observations.zip

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Additional details

Software

Programming language
Python