A Novel Approach to Finding New Brown Dwarfs in Ophiuchus

Details A Novel Approach to Finding New Brown Dwarfs in Ophiuchus A Novel Approach to Finding New Brown Dwarfs in Ophiuchus

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010noao.prop..326a&link_type=abstract

NOAO Proposal ID #2010A-0326

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Scientific paper

We propose J and H-band imaging to complete a survey searching for brown dwarfs in the Ophiuchus star-forming region. Our survey will create a complete census of 5-75 M_Jupiter substellar objects in ~2.5 square degree region. To find the brown dwarfs, we will combine our proposed broad-band photometry with existing observations taken using our newly designed, custom 1.45 micron filter. Photometry taken with our filter (which is centered on the prominent H_2O absorption feature in the spectra of brown dwarfs) can be combined with J and H-band photometry to determine the spectral types of young M and L-type brown dwarfs to within +/-1 subclass, independent of interstellar reddening. With an IMF complete down to planetary-masses, we can test theories of star and brown dwarf formation and compare our findings with results for other star-forming regions.

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