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High-contrast Imaging with Fizeau Interferometry: the Case of Altair

  • Authors: E. Spalding, K. M. Morzinski, P. Hinz, J. Males, M. Meyer, S. P. Quanz, J. Leisenring, and J. Power

2022 The Astronomical Journal 163 62.

  • Provider: AAS Journals

Caption: Figure 3.

A cross section through the model LBT modulation transfer function for the Brα filter, with perfect wave front correction and phase control. The MTF of a single 8.25 m aperture would consist only of the low-frequency peak, and go to zero power at approximately the equivalent of 0.5 au around the Altair system. The secondary maximum of the LBT MTF is at a baseline of BCC, equivalent to 0.3 au. Green indicates the frequencies equivalent to radii of a face-on habitable zone as defined by Cantrell et al. (2013).

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