Planet hunters TESS IV: a massive, compact hierarchical triple star system TIC 470710327 by Eisner, NL, Johnston, C, Toonen, S, Frost, AJ, Janssens, S, Lintott, CJ, Aigrain, S, Sana, H, Abdul-Masih, M, Arellano-Córdova, KZ, Beck, PG, Bordier, E, Cannon, E, Escorza, A, Fabry, M, Hermansson, L, Howell, SB, Miller, G, Sheyte, S, Alhassan, S, Baeten, EML, Barnet, F, Bean, SJ, Bernau, M, Bundy, DM, Di Fraia, MZ, Emralino, FM, Goodwin, BL, Hermes, P, Hoffman, T, Huten, M, Janíček, R, Lee, S, Mazzucato, MT, Rogers, DJ, Rout, MP, Sejpka, J, Tanner, C, Terentev, IA, Urvoy, D