TY - GEN AU - Furtak, Lukas J. AU - Espada Fernández, Daniel PY - 2023 UR - https://hdl.handle.net/10481/83030 AB - We report the discovery of a triply imaged active galactic nucleus (AGN), lensed by the galaxy cluster MACS J0035.4−2015 (z d = 0.352). The object is detected in Hubble Space Telescope imaging taken for the RELICS program. It appears to have a... LA - eng PB - Oxford University Press KW - Gravitational lensing: strong KW - Galaxies: clusters: individual: MACS J0035.4 KW - 2015 KW - Galaxies: nuclei KW - Quasars KW - Galaxies: Seyfert KW - Cosmology: observations TI - A variable active galactic nucleus at z = 2.06 triply-imaged by the galaxy cluster MACS J0035.4−2015 DO - 10.1093/mnras/stad1321 ER -