All Tables

Table 3: Observation log.
Table 8: Binary systems parameters for the 6 binaries in the $\sigma$ Ori cluster for which a sinusoidal fit of the RV curves was performed. Errors are $1\sigma$ .
Table 9: Disk and accretion properties^a in $\sigma$ Ori and $\lambda$ Ori
Table 1: Photometry and membership for the observed sample stars in the $\sigma$ Ori cluster.
Table 2: Photometry and membership for the observed sample stars in the $\lambda$ Ori cluster.
Table 4: Accretion properties of the $\sigma$ Ori cluster members
Table 5: Accretion properties of the $\lambda$ Ori cluster members.
Table 6: Radial velocities of the candidate binary systems identified in the $\sigma$ Ori cluster sample.
Table 7: Radial velocities of the candidate binary systems identified in the $\lambda$ Ori cluster sample.