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A Gaussian process framework for modelling instrumental systematics: application to transmission spectroscopy

Abstract:

Transmission spectroscopy, which consists of measuring the wavelength-dependent absorption of starlight by a planet's atmosphere during a transit, is a powerful probe of atmospheric composition. However, the expected signal is typically orders of magnitude smaller than instrumental systematics, and the results are crucially dependent on the treatment of the latter. In this paper, we propose a new method to infer transit parameters in the presence of systematic noise using Gaussian processes, ...

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
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Journal:
Monthly Notices of the Royal Astronomical Society
Publication date:
2011-09-15
EISSN:
1365-2966
ISSN:
0035-8711
Source identifiers:
216363
Keywords:
Pubs id:
pubs:216363
UUID:
uuid:ac9640cb-8c1f-4195-a897-c55d50898065
Local pid:
pubs:216363
Deposit date:
2012-12-19

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