Fig. 1
Hertzsprung-Russell diagram for TWA members in this programme. The red/green/blue solid lines represent the 13/10/7 Myr solar metallicity isochrones from Baraffe et al. (1998). The blue dashed line shows the 7 Myr Baraffe isochrone with 2 times higher luminosity to account for unresolved binary systems. Red dots are objects detected with PACS, while black dots are undetected objects. Plus symbols correspond to TWA members not observed in GASPS.
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