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A GLIMPSE of Intermediate Mass Black Holes in the Epoch of Reionization: Witnessing the Descendants of Direct Collapse?

  • Authors: Qinyue Fei, Seiji Fujimoto, Rohan P. Naidu, John Chisholm, Hakim Atek, Gabriel Brammer, Yoshihisa Asada, Danielle A. Berg, Volker Bromm, Lukas J. Furtak, Jenny E. Greene, Tiger Yu-Yang Hsiao, Junehyoung Jeon, Vasily Kokorev, Jorryt Matthee, Priyamvada Natarajan, Richard Pan, Johan Richard, Alberto Saldana-Lopez, Daniel Schaerer, Marta Volonteri, Adi Zitrin

Qinyue Fei et al 2026 The Astrophysical Journal 1003 .

  • Provider: AAS Journals

Caption: Figure A2.

Completeness of broad Hα emission line detection. The colored contours denote 0.1, 0.5, and 0.9. It is noticed that at high-mass regime (MBH ≥ 106 M⊙), the broad Hα emission line can be detected with high completeness (near unity). In the intermediate-mass regime (105 < MBH < 106 M⊙), the broad Hα emission lines can be detected with the assistance of the gravitational lensing effect. A high magnification (μ) is necessary to detect BHs with lower masses (MBH < 105 M⊙). Our sources (red circles) are settled within a high-completeness regime.

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