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The Magnificent Five Images of Supernova Refsdal: Time Delay and Magnification Measurements

Authors: Patrick L. Kelly, Steven Rodney, Tommaso Treu, Simon Birrer, Vivien Bonvin, Luc Dessart, Ryan J. Foley, Alexei V. Filippenko, Daniel Gilman, Saurabh Jha, Jens Hjorth, Kaisey Mandel, Martin Millon, Justin Pierel, Stephen Thorp, Adi Zitrin, Tom Broadhurst, Wenlei Chen, Jose M. Diego, Alan Dressler, Or Graur, Mathilde Jauzac, Matthew A. Malkan, Curtis McCully, Masamune Oguri, Marc Postman, Kasper Borello Schmidt, Keren Sharon, Brad E. Tucker, Anja von der Linden, Joachim Wambsganss

Patrick L. Kelly et al 2023 The Astrophysical Journal 948 .

Provider: AAS Journals

Caption: Figure 4.

HST WFC3 F125W co-added image before and after the best-fitting Sérsic model of the early-type galaxy lens (z = 0.54) is subtracted. The top panel shows the image before subtraction of the early-type galaxy, and the bottom panel shows the result after subtraction. In a previous and separate step, the cluster’s BCG has already been modeled and subtracted to create the “before” image. The four point sources in the Einstein-cross configuration are images S1–S4 of SN Refsdal, and the underlying distorted spiral galaxy is the host galaxy of the SN (z = 1.49).

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