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Author

S. Schuldt

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2 papers indexed here

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Preprint Aug 2026

TDCOSMO XXVIII. The Hubble constant from the quadruply lensed quasar J1537$-$3010 with precise time delays

We present the first measurement of the Hubble constant ($H_0$) from the quadruply-lensed quasar J1537$-$3010, which has optically-measured time delays at $\sim2 \%$ precision. We combine these delays with multi-band imaging data from the Hubble Space Telescope (HST) and model the system with two independent software a...

A. Galan, A. Schweinfurth, S. H. Suyu et al. · 2 citations
Open access Oct 2026

A new H_0 measurement with supernovae Requiem and Encore using Gravity.jl

We present a strong-lensing analysis of the galaxy cluster MACS J0138.0-2155 (z_ =0.336), the first known cluster lens discovered to host two distinct multiply imaged type Ia supernovae (SNe): SN Requiem and SN Encore. Both transients are located in the massive, multiply imaged red galaxy MRG-M0138 at z_ =1.949. The pr...

L. Bazzanini, G. Di Rosa, A. Acebron et al. · 0 citations

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