Journal ArticleAn Imperfectly Passive Nature: Bright Submillimeter Emission from Dust-obscured Star Formation in the <i>z</i> = 3.717 “Passive” System, ZF 20115Simpson, J. M.; Smail, Ian; Wang, Wei-Hao; Riechers, D.; Dunlop, J. S.; Ao, Y.; Bourne, N.; Bunker, A.; Chapman, S. C.; Chen, Chian-Chou; Dannerbauer, H.; Geach, J. E.; Goto, T.; Harrison, C. M.; Hwang, H. S.; Ivison, R. J.; Kodama, Tadayuki; Lee, C.-H.; Lee, H.-M.; Lee, M.; Lim, C.-F.; Michałowski, M. J.; Rosario, D. J.; Shim, H.; Shu, X. W.; Swinbank, A. M.; Tee, W.-L.; Toba, Y.; Valiante, E.; Wang, Junxian; Zheng, X. Z.2017-07-2010058288The Astrophysical Journal8441L102041-8213https://doi.org/10.3847/2041-8213/aa7cf21614213National Science Foundation