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W4308241337 abstract "We report the discovery of a very rare phenomenon, a multiply-imaged gravitationally lensed Type Ia supernova (SNe Ia), SN Zwicky, a.k.a. SN 2022qmx, magnified nearly twenty-five times by a foreground galaxy. The system was identified as intrinsically bright thanks to the standard candle nature of SNe Ia. Observations with high-spatial resolution instruments resolved a system with four nearly simultaneous images, with an Einstein radius of only $theta_E =0.167$, corresponding to a lens mass of $8cdot 10^9$ solar masses within a physical size below $0.8$ kiloparsecs. A smooth lens model fails to reproduce the image flux ratios, suggesting significant additional magnification from compact objects. Given the small image splitting and a relatively faint deflecting galaxy, the lensing system would not have been found through the angular separation technique generally used in large imaging surveys." @default.
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W4308241337 date "2022-11-01" @default.
W4308241337 modified "2023-10-17" @default.
W4308241337 title "SN Zwicky: uncovering a population of gravitational lens galaxies with magnified standard candles" @default.
W4308241337 doi "https://doi.org/10.48550/arxiv.2211.00656" @default.
W4308241337 hasPublicationYear "2022" @default.
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