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Table 4

Observational data for VLM stars and BDs used for period comparison.

Region Age Numbers Mass range Ref.
(Myr) VLM BD (M)

ONC 1–3 445 79 0.02–1.5a 1
ONC 1–3 135 0.1–3.0a 2
σ Ori 3–6 10 9 0.02–0.7a 3
σ Ori 3 –6 37 10 0.02–0.5a 4
NGC 2362 5 70 0.1–1.2a 5
Upper Sco 5–11 16 0.02–0.09 7

Notes.

(a)

We restrict the mass range up to 0.4 M.

Reference. (1) Rodríguez – Ledesma et al. (2010, RL10); (2) Davies et al. (2014, D14); (3) Scholz & Eislöffel (2004, S04); (4) Cody & Hillenbrand (2010, C10); (5) Irwin et al. (2008, I08); (7) Scholz et al. (2015, S15).

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