Spectroscopy of Candidate Members of the Sco-Cen Complex*

We present spectroscopy of 285 previously identified candidate members populations in the Sco-Cen complex, primarily Ophiuchus, Upper Sco, and Lupus. The spectra are used to measure spectral types diagnostics youth. find that 269 candidates exhibit signatures youth our or previous data, which is consistent with their membership Sco-Cen. have constructed compilations Lupus classifications evidence youth, contain a total 2274 objects. In addition, we from studies classify three sources Ophiuchus been proposed be protostellar brown dwarfs: ISO Oph 70, 200, 203. early M those earlier than expected for young dwarfs based on evolutionary models (>=M6.5) instead indicative stellar masses (~0.6 Msun).