XMM-Newton observations of the young open cluster around λ Orionis

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Table 5

Comparison between the luminosity distributions of the λ Ori and σ Ori clusters.

Mass bin	Medians		Probability^a
	λ Ori	σ Ori

All members and candidates
0.5−1.0 M_⊙	29.9	30.2	0.04−0.09
0.25−0.5 M_⊙	29.3	28.9	0.03 − 0.09

Spectroscopically-confirmed members
0.5−1.0 M_⊙	30.0	30.2	0.03−0.95
0.25−0.5 M_⊙	29.3	29.0	0.20−0.45

Notes.

^(a)

Range of probabilities that the two samples are drawn from the same parent population, obtained from the two-sample tests in asurv.

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