TY - GEN T1 - No wide spread of stellar ages in the Orion Nebula Cluster T2 - arXiv PY - 2011/08/09 AU - Jeffries RD AU - Littlefair SP AU - Naylor T AU - Mayne NJ ED - DO - DOI: 10.48550/arxiv.1108.2052 Y2 - 2025/11/04 ER -