A gravitationally lensed supernova with an observable two-decade time delay
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Acebron et al. [38] noted that their predicted magnifications strongly disagree with previously reported lens models in [30, 31].
“Acebron et al. [38] similarly noted that their predicted magnifications strongly disagree with previously reported lens models in [30, 31].”
From Constraint on dark matter self-interaction from combined strong lensing and stellar kinematics in MACS J0138-2155 (2026) · cites this paper as [31]
Reliable estimates of the lensing magnification are essential to any study of lensed sources and for accurate photometric classification of the observed SNe.
“Reliable estimates of the lensing magnification are essential to any study of lensed sources, such as [36], and for accurate photometric classification of the observed SNe [31].”
From Constraint on dark matter self-interaction from combined strong lensing and stellar kinematics in MACS J0138-2155 (2026) · cites this paper as [31]
Our mass model is higher quality than that in [31], which predicted an unreasonably large ellipticity for the overall halo and a BCG more massive than the overall halo.
“We do not consider this problematic, as we believe our mass model to be higher quality than that in [31], which predicted an unreasonably large ellipticity for the overall halo and a BCG more massive than the overall halo.”
From Constraint on dark matter self-interaction from combined strong lensing and stellar kinematics in MACS J0138-2155 (2026) · cites this paper as [31]
Our results disagree significantly with the earlier model in Rodney et al. [31], which gave |μ| of observed images roughly 3-5x lower than ours, and a significantly longer time-delay.
“Our results, however, disagree significantly with the earlier model in Rodney et al. [31], which gave | µ | of observed images roughly 3-5x lower than ours, and a significantly longer time-delay.”
From Constraint on dark matter self-interaction from combined strong lensing and stellar kinematics in MACS J0138-2155 (2026) · cites this paper as Rodney et al. [31]
The study which discovered SN Requiem [31] predicted a approximately 20 year time delay, with the next images appearing in the mid to late 2030s.
“The study which discovered SN Requiem [31] predicted a ∼ 20 year time delay, with the next images appearing in the mid to late 2030s.”
From Constraint on dark matter self-interaction from combined strong lensing and stellar kinematics in MACS J0138-2155 (2026) · cites this paper as [31]
Cites
LSST: From Science Drivers to Reference Design and Anticipated Data Products
Ivezić, Ž., Kahn, S. M., Tyson, J. A., Abel, B., Acosta, E., Allsman, R., Alonso, D., AlSayyad, Y., Anderson, S. F., Andrew, J., et al. (2019) · The Astrophysical Journal · doi:10.3847/1538-4357/ab042c · Cited by 4,357 · see citing works
Goldstein, D. A., Nugent, P. E., Kasen, D. N., & Collett, T. E. (2018) · The Astrophysical Journal · doi:10.3847/1538-4357/aaa975 · Cited by 96 · see citing works
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Abdalla, E., Abellán, G. F., Aboubrahim, A., Agnello, A., Akarsu, Ö., Akrami, Y., Alestas, G., Aloni, D., Amendola, L., Anchordoqui, L. A., et al. (2022) · Journal of High Energy Astrophysics · doi:10.1016/j.jheap.2022.04.002 · Cited by 37 · see citing works
O’Donnell, J. H., Jeltema, T. E., Roberts, M. G., Nightingale, J., Flowers, A., & Aldas, D. (2026) · Physical Review D · doi:10.1103/hfgd-245k · Cited by 5 · see citing works
- Authors
- Rodney, S. A., Brammer, G. B., Pierel, J. D. R., Richard, J., Toft, S., O’Connor, K. F., Akhshik, M., & Whitaker, K. E.
- Affiliations
- University of South Carolina (US)
- University of Copenhagen (DK)
- École Normale Supérieure de Lyon (FR)
- University of Connecticut (US)
- Corresponding author
- Rodney, Steven A.
- Brammer, Gabriel B.
- ORCID
- Venue
- Nature Astronomy
- Published
- 2021-09-13
- Volume
- 5
- Issue
- 11
- Pages
- 1118-1125
- ISSN
- 2397-3366 (ISSN-L)
- OpenAlex
- W3169383869
- Cited by
- 107
- References
- 2
- Citations by year
- 2026: 17 · 2025: 27 · 2024: 29 · 2023: 16 · 2022: 14 · 2021: 4
- FWCI
- 8.15
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Licence
- Locations
- Nature Astronomy (publishedVersion)
- arXiv (Cornell University) (submittedVersion, cc-by)
- arXiv (Cornell University) (submittedVersion)
- HAL (submittedVersion, cc-by)
- Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
- arXiv (Cornell University) (cc-by)
- Funders
- National Aeronautics and Space Administration (HST-GO-16264, 80NSSC19K1418, 80NSSC19K1414, HST-GO-14622, HST-GO-15663)
- Danmarks Grundforskningsfond (140)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Gamma-ray bursts and supernovae
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astrophysical Phenomena and Observations
- Keywords
- time delay cosmology, Type Ia supernovae, Hubble parameter, dark energy, supernova light curves, lens modeling
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Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
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