ULTRACOOL FIELD BROWN DWARF CANDIDATES SELECTED AT 4.5 μm

@article{Eisenhardt2010ULTRACOOLFB,
  title={ULTRACOOL FIELD BROWN DWARF CANDIDATES SELECTED AT 4.5 $\mu$m},
  author={P. Eisenhardt and R. Griffith and D. Stern and E. Wright and M. Ashby and M. Brodwin and Michael J. I. Brown and R. Bussmann and A. Dey and A. Ghez and E. Glikman and Anthony H. Gonzalez and J. Kirkpatrick and Q. Konopacky and A. Mainzer and David Vollbach and S. Wright},
  journal={The Astronomical Journal},
  year={2010},
  volume={139},
  pages={2455-2464}
}
We have identified a sample of cool field brown dwarf candidates using IRAC data from the Spitzer Deep, Wide-Field Survey (SDWFS). The candidates were selected from 400,000 SDWFS sources with [4.5] ≤ 18.5 mag and were required to have [3.6] – [4.5] ≥ 1.5 and [4.5] – [8.0] ≤ 2.0 on the Vega system. The first color requirement selects objects redder than all but a handful of presently known brown dwarfs with spectral classes later than T7, while the second eliminates 14 probable reddened active… Expand

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