  We present an analysis of low-resolution infrared spectra for 25 brown dwarf
candidates in the NGC 1333 molecular cloud. Candidates were chosen on the basis
of their association with the high column density cloud core, and near-infrared
fluxes and colors. We compare the depths of water vapor absorption bands in our
candidate objects with a grid of dwarf, subgiant, and giant standards to
determine spectral types which are independent of reddening. These data are
used to derive effective temperatures and bolometric luminosities which, when
combined with theoretical tracks and isochrones for pre-main sequence objects,
enable us to estimate masses and ages. Depending on the models considered, a
total of 9 to 20 brown dwarfs are identified with a median of age of < 1 Myr.
