Extended-image strong lensing model of cluster G165 reduces mass-parameter uncertainties by over an order of magnitude and maps dust extinction in the host of SN H0pe at z=1.78, finding A_V ≈ 0.9 mag near the explosion site.
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Two-parameter Weibull or exponentiated exponential distributions describe simulated type Ia supernova extinction in 3D galaxies much better than the standard exponential PDF, and their use shifts fitted intrinsic SN colors redder by about 2σ.
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Strong Lensing Model and Dust Extinction Maps of the Host Galaxy of Type Ia Supernova H0pe
Extended-image strong lensing model of cluster G165 reduces mass-parameter uncertainties by over an order of magnitude and maps dust extinction in the host of SN H0pe at z=1.78, finding A_V ≈ 0.9 mag near the explosion site.
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Examining extinction distributions for type Ia supernovae in simulated 3D galaxies
Two-parameter Weibull or exponentiated exponential distributions describe simulated type Ia supernova extinction in 3D galaxies much better than the standard exponential PDF, and their use shifts fitted intrinsic SN colors redder by about 2σ.