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The Inner 25 au Debris Distribution in the ϵ Eri System

  • Authors: Kate Y. L. Su, James M. De Buizer, George H. Rieke, Alexander V. Krivov, Torsten Löhne, Massimo Marengo, Karl R. Stapelfeldt, Nicholas P. Ballering, and William D. Vacca

2017 The Astronomical Journal 153 226.

  • Provider: AAS Journals

Caption: Figure 5.

Excess-only profiles of the ϵ Eri system at 24 μm after photospheric subtraction. The profile using the nominal photospheric value is shown as color symbols with circles for the new one produced in this work in comparison with the published profile (squares). The gray area around the new profile marks the uncertainty boundary due to photospheric subtraction and absolution flux calibration (±2.8% the photospheric values). The PSF profile (normalized to the peak) is shown as the solid green line. The first and second dark Airy rings are partially filled, suggesting the excess emission is slightly resolved at 24 μm. The red line shows the resultant radial profile for a two-ring model (for details see Section 4.3).

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