s$^{-1}$ were measured by @Blake07 [@Blake10], respectively, using high-resolution $K$-band spectra from NIRSPEC on the Keck II telescope and forward modeling techniques for high precision. Proper motion measurements have been reported in @Schmidt07, [@Casewell08], and [@Faherty09]. We present an updated proper motion as well as a parallax in Section  \[kinematics\].

New Observations of 2M0355
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We obtained near-infrared spectroscopy and imaging of 2M0355 and report new low and medium resolution spectroscopy of the source as well as a parallax and improved proper motion measurements.

Near-Infrared Spectroscopy
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We obtained low- and medium resolution near-infrared spectroscopy using the SpeX spectrograph (@Rayner03) mounted on the 3m NASA Infrared Telescope Facility (IRTF). On 2007 November 13, we used the spectrograph in cross-dispersed mode (SXD) with the 0$\farcs$5 slit aligned to the parallactic angle to obtain $R~\equiv~\lambda$ / $\Delta\lambda~\approx$ 1200 spectral data over the wavelength range of 0.7–2.5 $\mu$m. The conditions of this run were clear and stable with seeing of 0$\farcs$5 at $K$. We obtained 6 individual exposure times of 300 seconds in an ABBA dither pattern along the slit.

On 2011 December 7, we used the spectrograph in prism mode with the 0$\farcs$5 slit aligned to the parallactic angle. This resulted in 