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The MIRI Excesses Around Degenerates (MEAD) Survey. II. A Probable Planet Detected via IR Excess around WD 0644+025

  • Authors: Sabrina Poulsen, John Debes, Ashley Messier, Érika Le Bourdais, Carl Melis, Misty Cracraft, Samuel Boucher, Mukremin Kilic, Scott Kenyon, Mark C. Wyatt, Seth Redfield, Patrick Dufour, Loic Albert, Susan E. Mullally, William T. Reach, Fergal Mullally, David A. Golimowski

Sabrina Poulsen et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 5.

This contrast curve reports the flux ratio of our central aperture relative to the standard deviation of the background at varying radial distances for our two filters, F1000W (top) and F1500W (bottom). The dashed lines represent median contrast values of 0.0208 (F1000W) and 0.0653 (F1500W). These contrasts are reported as a limiting planet mass calculated by interpolating on the 4.54 Gyr Bex model. The innermost working angle is 7.95 au in F1000W and 11.83 au in F1500W.

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