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JWST Observations of the Double Nucleus in NGC 4486B: Possible Evidence for a Recent Binary SMBH Merger and Recoil

  • Authors: Behzad Tahmasebzadeh, Monica Valluri, Shashank Dattathri, Tatsuya Akiba, Fazeel Mahmood Khan, Matthew A. Taylor, Haruka Yoshino, Solveig Thompson, Ann-Marie Madigan, Frank C. van den Bosch, Kelly Holley-Bockelmann, Patrick Côté, Laura Ferrarese, Michael J. Drinkwater, Holger Baumgardt, Misty C. Bentz, Kristen Dage, Eric W. Peng, Somya Jha, Andrea V. Macciò, Chengze Liu, Tyrone E. Woods

Behzad Tahmasebzadeh et al 2026 The Astrophysical Journal Letters 1001 .

  • Provider: AAS Journals

Caption: Figure 6.

Trajectory of the BH that is placed at the center of NGC 4486B without any recoil kick. The BH shows a clear outward motion away from the galactic center that is well resolved above the Brownian amplitude. However, except for very early times, the associated offsets are well below the observed values.

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