The DOI matches its Crossref record; 98 of the 98 references it cites were found in a registry or an index.
Mind the Gap: The Location of the Lower Edge of the Pair-instability Supernova Black Hole Mass Gap
Open accessAbstract
Detections of gravitational waves are now starting to probe the mass distribution of stellar mass black holes (BHs). Robust predictions from stellar models are needed to interpret these. Theory predicts the existence of a gap in the BH mass distribution because of pair-instability supernovae. The maximum BH mass below the gap is the result of pulsational mass loss. We evolve massive helium stars through their late hydrodynamical phases of evolution using the open-source MESA stellar evolution code. We find that the location of the lower edge of the mass gap at 45 is remarkably robust against variations in the metallicity (≈3 ), the treatment of internal mixing (≈1 ), and stellar wind mass loss (≈4 ), making it the most robust predictor for the final stages of the evolution of massive stars. The reason is that the onset of the instability is dictated by the near-final core mass, which in turn sets the resulting BH mass. However, varying the reaction rate within its 1 σ uncertainties shifts the location of the gap between 40 and 56 . We provide updated analytic fits for population synthesis simulations. Our results imply that the detection of merging BHs can provide constraints on nuclear astrophysics. Furthermore, the robustness against metallicity suggests that there is a universal maximum for the location of the lower edge of the gap, which is insensitive to the formation environment and redshift for first-generation BHs. This is promising for the possibility to use the location of the gap as a “standard siren” across the universe.
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Cites
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MODULES FOR EXPERIMENTS IN STELLAR ASTROPHYSICS (MESA)
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Self-citationWainer, T. M., Williams, B. F., Johnson, L. C., Weisz, D. R., Dalcanton, J. J., Seth, A. C., Dolphin, A., Durbin, M. J., Bell, E. F., Chen, Z., et al. (2024) · The Astronomical Journal · doi:10.3847/1538-3881/ad5a6e · Cited by 4
Metadata
- Authors
- Farmer, R., Renzo, M., de Mink, S. E., Marchant, P., & Justham, S.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 2019-12-10
- Volume
- 887
- Issue
- 1
- Pages
- 53
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2994776863
- Cited by
- 363
- References
- 98
- FWCI
- 22.56
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Farmer, R., Renzo, M., de Mink, S. E., Marchant, P., & Justham, S. (2019). Mind the Gap: The Location of the Lower Edge of the Pair-instability Supernova Black Hole Mass Gap. The Astrophysical Journal. https://doi.org/10.3847/1538-4357/ab518b
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