A double-peaked Lyman-α emitter with a stronger blue peak multiply imaged by the galaxy cluster RXC J0018.5+1626

Autor: Lukas J Furtak, Adèle Plat, Adi Zitrin, Micheal W Topping, Daniel P Stark, Victoria Strait, Stéphane Charlot, Dan Coe, Felipe Andrade-Santos, Maruša Bradač, Larry Bradley, Brian C Lemaux, Keren Sharon

Publikováno v: Furtak, L J, Plat, A, Zitrin, A, Topping, M W, Stark, D P, Strait, V, Charlot, S, Coe, D, Andrade-Santos, F, Bradac, M, Bradley, L, Lemaux, B C & Sharon, K 2022, ' A double-peaked Lyman-alpha emitter with a stronger blue peak multiply imaged by the galaxy cluster RXC J0018.5+1626 ', Monthly Notices of the Royal Astronomical Society, vol. 516, no. 1, pp. 1373-1385 . https://doi.org/10.1093/mnras/stac2169

We report the discovery of a double-peaked Lyman-$\alpha$ (Ly$\alpha$) emitter (LAE) at $z=3.2177\pm0.0001$ in VLT/MUSE data. The galaxy is strongly lensed by the galaxy cluster RXC~J0018.5+1626 recently observed in the RELICS survey, and the double-

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https://doi.org/10.1093/mnras/stac2169