TY - GEN T1 - Can variability account for apparent age spreads in OB association colour-magnitude diagrams? T2 - arXiv PY - 2005/08/23 AU - Burningham B AU - Naylor T AU - Littlefair SP AU - Jeffries RD ED - DO - DOI: 10.48550/arxiv.astro-ph/0508487 Y2 - 2025/11/04 ER -