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A 3D View of Orion. I. Barnard's Loop

  • Authors: Michael M. Foley, Alyssa Goodman, Catherine Zucker, John C. Forbes, Ralf Konietzka, Cameren Swiggum, João Alves, John Bally, Juan D. Soler, Josefa E. Großschedl, Shmuel Bialy, Michael Y. Grudić, Reimar Leike, Torsten Enßlin

Michael M. Foley et al 2023 The Astrophysical Journal 947 .

  • Provider: AAS Journals

Caption: Figure 8.

If we assume that OBP-B1 has produced at least one supernova, when did that supernova (or supernovae) go off? This figure presents the probability distribution function of time elapsed since a supernova explosion based on the Bayesian modeling by F21. More recent supernova explosions are heavily favored by the model. For example, there is roughly a 40% chance of a supernova exploding 0–2 Myr ago in OBP-B1, which is 4 times more likely than a supernova exploding 5–7 Myr ago.

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