Direct temperature map estimation in optical long baseline interferometry | Zendy

Ferréol Soulez | Zendy; Éric Thiébaut | Zendy; J. Kluska | Zendy; Michel Tallon | Zendy; Antony Schutz | Zendy; A. Ferrari | Zendy

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Direct temperature map estimation in optical long baseline interferometry

Author(s) -

Ferréol Soulez,

Éric Thiébaut,

J. Kluska,

Michel Tallon,

Antony Schutz,

A. Ferrari

Publication year - 2016

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.2232577

Subject(s) - interferometry , black body radiation , photometry (optics) , pixel , baseline (sea) , temperature measurement , remote sensing , physics , optics , computer science , astrophysics , stars , geology , oceanography , quantum mechanics , radiation

International audienceWe present a method to recontruct temperature map directly from spectro-interferometric data. It uses a sparse coding method to describe each pixel as a blackbody. Results are shown on the Herbig Be HD98922. Aside from recovering the mean environment temperature of 1654K in agreement with the photometry, this technique allows us to study the temperature distribution in the first astronomical units around the star

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