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Zubko N, Baba N, Shibuya H, et al. Method to reconstruct exoplanetary spectrum. Opt Lett. 2009;34(16):2432-4doi: 10.1364/ol.34.002432.
Zubko, N., Baba, N., Shibuya, H., & Murakami, N. (2009). Method to reconstruct exoplanetary spectrum. Optics letters, 34(16), 2432-4. https://doi.org/10.1364/ol.34.002432
Zubko, N, et al. "Method to reconstruct exoplanetary spectrum." Optics letters vol. 34,16 (2009): 2432-4. doi: https://doi.org/10.1364/ol.34.002432
Zubko N, Baba N, Shibuya H, Murakami N. Method to reconstruct exoplanetary spectrum. Opt Lett. 2009 Aug 15;34(16):2432-4. doi: 10.1364/ol.34.002432. PMID: 19684806.
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Opt Lett. 2009 Aug 15;34(16):2432-4. doi: 10.1364/ol.34.002432.

Method to reconstruct exoplanetary spectrum.

Optics letters

N Zubko, N Baba, H Shibuya, N Murakami

Affiliations

  1. Division of Applied Physics, Graduate School of Engineering, Hokkaido University, Sapporo 060-8628, Japan. [email protected]

PMID: 19684806 DOI: 10.1364/ol.34.002432

Abstract

We present a method for spectroscopic observations of exoplanets. Coronagraphic image of a star-planet system and its objective spectra are observed simultaneously. Stellar image and objective spectrum without coronagraphic suppression are also obtained as reference. By convolution of the coronagraphic image with the reference stellar spectrum, pseudo-objective spectra are synthesized. The difference between the observed and the synthesized pseudospectra reveals the distinctive features of planetary spectrum. We carry out laboratory demonstration of the proposed technique and show that the planetary spectrum is reconstructed.

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