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Understanding and mitigating biases when studying inhomogeneous emission spectra with JWST

Abstract:

Exoplanet emission spectra are often modelled assuming that the hemisphere observed is well represented by a horizontally homogenized atmosphere. However, this approximation will likely fail for planets with a large temperature contrast in the James Webb Space Telescope (JWST) era, potentially leading to erroneous interpretations of spectra. We first develop an analytic formulation to quantify the signal-to-noise ratio and wavelength coverage necessary to disentangle temperature inhomogeneiti...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1093/mnras/staa552

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Subgroup:
Atmos Ocean & Planet Physics
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Subgroup:
Atmos Ocean & Planet Physics
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Subgroup:
Atmos Ocean & Planet Physics
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Subgroup:
Astrophysics
Role:
Depositor, Author
ORCID:
0000-0003-1453-0574
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Subgroup:
Atmos Ocean & Planet Physics
ORCID:
0000-0002-3052-7116
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Publisher:
Royal Astronomical Society Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
493
Issue:
3
Pages:
4342–4354,
Publication date:
2020-02-28
Acceptance date:
2020-02-07
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Pubs id:
1087585
Local pid:
pubs:1087585

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