Table 1: Spectroscopic data of SE 70 and S Ori 68.
  SE 70a S Ori 68b
Sp. type $\rm M5.0 \pm 1.0$ $\rm L5.0 \pm 2.0$
pEW(H$\alpha $) (Å) $-4.5\pm 1.0$ <20
pEW(Li I) (Å) $+0.60 \pm 0.10$ --
Vr (km s-1) $+40 \pm 10 $ --
a SE 70 (IAU name: [SE2004] 70; also: NX 67, 2MASS J053838.88-022801.6, DENIS J053838.9-02280, USNO-B1.0 0875-0103266).
b S Ori 68 (IAU names: [BZR99] S Ori 68, [BMZ2001] S Ori J053839.1-022805). Spectral type and H$\alpha $ pseudoequivalent width upper limit from Barrado y Navascués et al. (2001).

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