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Table 2

Physical properties for the frEGGs of Cygnus OB2.

ID ne Mion E.M. τ NLyman
(cm−3) (M) (pc cm−6) (s−1)
WDDGGHK2 100 ± 10 0.025 ± 0.003 2500 ± 700 0.009 ± 0.003 7.32 × 1044
WDDGGHK3 98 ± 5 0.24 ± 0.01 55 500 ± 700 0.019 ± 0.002 7.18 × 1045
WDDGGHK4 103 ± 8 0.063 ± 0.005 3800 ± 800 0.013 ± 0.003 1.99 × 1045
WDDGGHK6 230 ± 20 0.13 ± 0.09 18 000 ± 3000 0.06 ± 0.01 9.05 × 1045
WDDGGHK7 170 ± 20 0.050 ± 0.005 8000 ± 2000 0.029 ± 0.007 2.66 × 1045
WDDGGHK8 230 ± 30 0.03 ± 0.03 11 000 ± 3000 0.04 ± 0.01 1.99 × 1045
WDDGGHK9 100 ± 30 0.002 ± 0.001 1100 ± 800 0.004 ± 0.003 5.22 × 1043
WDDGGHK10 100 ± 8 0.042 ± 0.003 3200 ± 600 0.011 ± 0.002 1.33 × 1045

Notes.The values of ne, Mion, E.M. were determined with Eqs. (5)–(7) from Ainsworth et al. 2016.

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