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Non-recovery of the faint nIR spectra from Brown Dwarf companions around FGK stars.

Jason J. Neal

High resolution NIR spectrographs have played an important role in the detection and characterization of exoplanet atmospheres. Throughout my PhD I have tried two techniques to extract the faint blended spectra of Brown Dwarf companions in CRIRES data. I will present the two techniques attempted, direct subtraction and chi squared synthethic recovery, discuss some of their limitiations and highlight the main reasons for the unsuccessful detections.

2018 February 27, 13:30

Centro de Astrofísica da Universidade do Porto (Classroom)
Rua das Estrelas, 4150-762 Porto

Faculdade de Ciências da Universidade de Lisboa Universidade do Porto Faculdade de Ciências e Tecnologia da Universidade de Coimbra
Fundação para a Ciência e a Tecnologia COMPETE 2020 PORTUGAL 2020 União Europeia