First experimental demonstration of temporal hypertelescope operation with a laboratory prototype

Details First experimental demonstration of temporal hypertelescope operation with a laboratory prototype First experimental demonstration of temporal hypertelescope operation with a laboratory prototype

2010-09-10

arxiv.org/abs/1009.1953v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

Accepted for publication in MNRAS. 11 pages, 25 figures

Scientific paper

In this paper, we report the first experimental demonstration of a Temporal HyperTelescope (THT). Our breadboard including 8 telescopes is firstly tested in a manual cophasing configuration on a 1D object. The Point Spread Function (PSF) is measured and exhibits a dynamics in the range of 300. A quantitative analysis of the potential biases demonstrates that this limitation is related to the residual phase fluctuation on each interferometric arm. Secondly, an unbalanced binary star is imaged demonstrating the imaging capability of THT. In addition, 2D PSF is recorded even if the telescope array is not optimized for this purpose.

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