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Worlds Next Door: A Candidate Giant Planet Imaged in the Habitable Zone of α Centauri A. I. Observations, Orbital and Physical Properties, and Exozodi Upper Limits

  • Authors: Charles Beichman, Aniket Sanghi, Dimitri Mawet, Pierre Kervella, Kevin Wagner, Billy Quarles, Jack J. Lissauer, Max Sommer, Mark Wyatt, Nicolas Godoy, William O. Balmer, Laurent Pueyo, Jorge Llop-Sayson, Jonathan Aguilar, Rachel Akeson, Ruslan Belikov, Anthony Boccaletti, Elodie Choquet, Edward Fomalont, Thomas Henning, Dean Hines, Renyu Hu, Pierre-Olivier Lagage, Jarron Leisenring, James Mang, Michael Ressler, Eugene Serabyn, Pascal Tremblin, Marie Ygouf, Mantas Zilinskas

Charles Beichman et al 2025 The Astrophysical Journal Letters 989 .

  • Provider: AAS Journals

Caption: Figure 6.

Left: unconvolved ABA-3 exozodi model coplanar with the α Cen AB binary. Center: the exozodi model in the left panel after PSF convolution (for the 2025 April observation orientation). Right: PSF-subtracted image showing the recovery of the ABA-3 exozodi model injected in the raw α Cen AB data set from the 2025 April observations. The regions of the image affected by the MIRI/4QPM transition boundaries at each roll are masked. The aperture that yielded the highest S/N (=21.3) detection for the injected disk is shown (see Paper II for details). All images are plotted on a common logarithmic color scale.

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