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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 15.

BB emission from a circumplanetary ring for a total cross-sectional area equivalent to the half the face-on cross-sectional area of Saturn’s rings together with a fiducial planet atmospheric model (T_eff = 225 K, log g = 3.0 dex, [M/H] = +1.0, C/O = 1.5, and R_p = 1 R_Jup). Each component contributing to the total model VLT/NEAR and F1550C flux (squares) is shown. There are two BB components as the ring temperature is different for each detection epoch, depending on the planet–star separation in Figure 14.

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