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Mena-Fernandez, J.Myles, Juan Garcia-Bellido, K.Herner, K.Honscheid, K.Kuehn, Lluis Galbany, L.N.da Costa, Lorne Whiteway, M.Aguena, Mandeep S.S.Gill, Maria Vincenzi, Mark Sullivan, Masao Sako, M.E.C.Swanson, M.E.S.Pereira, M.Smith, Ofer Lahav, Patrick Armstrong, Paul Shah, P.Doel, Phillip Wiseman, R.A.Gruendl, R.Miquel, Ryan Camilleri, S.Allam, S.Bocquet, S.Desai, S.Dodelson, S.Lee, S.R.Hinton, S.Samuroff, Tamara M. Davis, V.Vikram","submitted_at":"2024-10-10T14:22:24Z","abstract_excerpt":"Gravitational lensing magnification of Type Ia supernovae (SNe Ia) allows information to be obtained about the distribution of matter on small scales. In this paper, we derive limits on the fraction $\\alpha$ of the total matter density in compact objects (which comprise stars, stellar remnants, small stellar groupings and primordial black holes) of mass $M > 0.03 M_{\\odot}$ over cosmological distances. 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