/ˈɑːtɪfakt/
noun
noun: artefact
  1. 1.
    an object made by a human being, typically one of cultural or historical interest.
    “gold and silver artefacts”
  2. 2.
    something observed in a scientific investigation or experiment that is not naturally present but occurs as a result of the preparative or investigative procedure.
    “the curvature of the surface is an artefact of the wide-angle view”