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Transitions in the Mass-ratio and Spin Properties of Binary Black Holes in GWTC-5

  • Authors: Elizabeth Flanagan, Fabio Antonini, Thomas Callister, Debatri Chattopadhyay, Fani Dosopoulou, Isobel Romero-Shaw, Jakob Stegmann

Elizabeth Flanagan et al 2026 The Astrophysical Journal Letters 1011 .

  • Provider: AAS Journals

Caption: Figure 2.

The merger rate as a function of mass ratio q for each mass interval. The shaded region represents the 90% confidence interval, and the solid line is the median. Intervals 18 < m1/M⊙ < 30 and m1 > 50M⊙ show a flattening in the merger rate in comparison to m1 < 18M⊙ and 30 < m1/M⊙ < 50.

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