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Little Red Dots as Globular Clusters in Formation

  • Authors: John Chisholm, Danielle A. Berg, Michael Boylan-Kolchin, Anna de Graaff, Lukas J. Furtak, Vasily Kokorev, Jorryt Matthee, Julian B. Muñoz, Rohan P. Naidu, Andreas A. C. Sander

John Chisholm et al 2026 The Astrophysical Journal Letters 1004 .

  • Provider: AAS Journals

Caption: Figure 4.

Comparison of the formation redshifts for LRDs (gold hatched; D. D. Kocevski et al. 2023) to globular clusters in the Milky Way (D. A. Forbes & T. Bridges 2010). We conservatively split the Milky Way globular clusters as metal-rich ([Fe/H] > −1.4; dashed light-blue) and metal-poor ([Fe/H] < −1.4; dark-blue line) to emphasize the distinct populations. The formation redshift of metal-poor Milky Way globular clusters roughly matches the redshift distribution of LRDs.

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