Joel Johansson

Employment

• Stockholm University Researcher
  2020 - Present

Education

Education history is unavailable.

Projects & Funding

Projects & funding information is unavailable.

Publications (133)

• JWST Nebular Spectroscopy of SN 2023qov: Circumstellar Dust Emission in a Normal Type Ia Supernova
  The Astrophysical Journal 2026 DOI: 10.3847/1538-4357/ae9bbf
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• ZTF SN Ia DR2 follow-up: Early excess in Type Ia supernova light curves
  Astronomy & Astrophysics 2026 DOI: 10.1051/0004-6361/202659826
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• Field-level inference of growth rate from DESI BGS galaxy and ZTF supernova simulations
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2609.34508
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• Follow-up of SN 2025wny VI: The Rate and Detectable Population of Strongly Lensed SLSNe-I in ZTF
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2609.18912
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• Lightcurve Modelling of 2,205 ZTF DR2 Type Ia Supernovae: Implications for SN Ia Physics and Cosmology
  \mnras 2026 DOI: 10.1093/mnras/stag1739
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• Tomography analysis of the intermediate-luminosity Type Iax SN 2024pxl
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2609.28712
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• An analysis of the Type Ia SN 2024gy and a comparison of different host extinction estimation techniques
  åp 2026 DOI: 10.1051/0004-6361/202659568
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• Follow-up of SN 2025wny I: Space-based Observations of the First Multiply-imaged Superluminous Supernova
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2608.28413
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• Follow-up of SN 2025wny II: Superluminous Supernova Physics at Cosmic Noon
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2608.28415
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• Follow-up of SN 2025wny III: Spectroscopic Time-delay Measurements of a Strongly Gravitationally Lensed Superluminous Supernova
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2608.28416
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• Follow-up of SN 2025wny IV: Photometric Time-delay Measurements of a Strongly Lensed Superluminous Supernova
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2608.28427
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• Follow-up of SN 2025wny V: Lens Modelling and Cosmography of a Strongly Lensed Superluminous Supernova at $z = 2.015$ using Space Data
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2608.28430
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• JWST Spectra Indicate a Large Mass of Postshock Dust Formed by SN 2010jl
  \apj 2026 DOI: 10.3847/1538-4357/ae74c5
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• ZTF SN Ia DR2 follow-up: early excess in Type Ia supernova light curves
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2607.22050
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• A Natural ≳100× Telescope: Discovery of the Strongly Lensed Type II SN 2025mkn at z = 1.37
  The Astrophysical Journal Letters 2026 DOI: 10.3847/2041-8213/ae6780
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• JWST observations of SN 2024abup: First Detection of CO in a broad-lined Type Ic Supernova and Constraints on r-process Nucleosynthesis
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2606.28561
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• JWST Reveals Large Reservoirs of Dust and Ongoing Circumstellar Interaction in SN Ibn/Icn 2023xgo over a Year Post-Explosion
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2606.00208
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• JWST Nebular Spectroscopy of SN 2023qov: Circumstellar Dust Emission in a Normal Type Ia Supernova
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2604.09777
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• Nebular Phase Evolution of SN 2023ixf (I): From Circumstellar Infrared Echo to the onset of in-situ Dust Formation in a Type II Supernova
  Avinash Singh, S. Goto, A. Sarangi +59 more
  arXiv e-prints 2026 DOI: 10.48550/arXiv.2603.14137
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• Photometry and Spectroscopy of SN 2024pxl: A Luminosity Link among Type Iax Supernovae
  Mridweeka Singh, Lindsey A. Kwok, Saurabh W. Jha

  +90 more

  • Raya Dastidar
  • Conor Larison
  • A. V. Filippenko
  • Jennifer E. Andrews
  • Moira Andrews
  • +85 more
  \apj 2026 DOI: 10.3847/1538-4357/ae4318
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