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Direct imaging of cold exoplanets. A theory framework for atmospheric characterization

Carrión-González, Óscar and García-Munoz, Antonio and Csizmadia, Szilard and Cabrera Perez, Juan and Santos, N. C. (2019) Direct imaging of cold exoplanets. A theory framework for atmospheric characterization. EPSC-DPS Joint Meeting 2019, September 2019, Geneva, Switzerland.

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Upcoming space missions such as WFIRST and under-development concepts like LUVOIR or HabEx will measure the starlight reflected from cold and temperate exoplanets by direct imaging. Reflected starlight is sensitive to atmospheric depths that cannot be probed in transit (e.g. [1]) and provides a means for investigating non-transiting exoplanets. Directly imaged exoplanets observed in reflected starlight represents the next frontier in exoplanet atmospheres characterization. Thus, the theory for planning and interpreting future observations and the physics behind them is now in development [2]. The goal of this work is to understand what information can be extracted from direct imaging observations of exoplanets in reflected starlight and how robust these conclusions are. We computed synthetic spectra for more than 3 million atmospheric configurations that probe a variety of physical properties of the atmosphere. With that, we studied how degeneracies between parameters affect the atmospheric retrieval in direct imaging observations.

Item URL in elib:https://elib.dlr.de/131800/
Document Type:Conference or Workshop Item (Poster)
Title:Direct imaging of cold exoplanets. A theory framework for atmospheric characterization
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Carrión-González, ÓscarTechnische Universität BerlinUNSPECIFIEDUNSPECIFIED
García-Munoz, AntonioTechnische Universität BerlinUNSPECIFIEDUNSPECIFIED
Cabrera Perez, JuanUNSPECIFIEDhttps://orcid.org/0000-0001-6653-5487UNSPECIFIED
Santos, N. C.Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, Portugal; Departamento de Fisica e Astronomia, Faculdade de Ciencias, Universidade do Porto, Rua Campo Alegre, 4169-007 Porto, PortugalUNSPECIFIEDUNSPECIFIED
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:exoplanets phase curve planet atmospheres
Event Title:EPSC-DPS Joint Meeting 2019
Event Location:Geneva, Switzerland
Event Type:international Conference
Event Dates:September 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Projekt COROT Beteiligung (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Extrasolar Planets and Atmospheres
Deposited By: Csizmadia, Szilard
Deposited On:02 Dec 2019 11:40
Last Modified:07 Jan 2020 09:44

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