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2MASS J20261584–2943124: AN UNRESOLVED L0.5 + T6 SPECTRAL BINARY

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Fig. 1.— SpeX prism spectrum of 2MASS J2026−2943 (center: black line from 2009 June 30 UT; red lines from 2008 September 8 UT and 2009 November 4 UT) compared to equivalent data for the M8.5+T5 spectral binary 2MASS J0320−0446 (top; data from Burgasser et
Fig. 2.— (Left): The best-fit single spectral templates (red lines) to the three epochs of spectral data for 2MASS J2026−2943 (black lines), from top to bottom: 2008 September 8, 2009 June 30 and 2009 November 4 (UT)
Fig. 3.— J,H,K s Keck NIRC2/LGS AO images of 2MASS J2026−2943 from 2009 August 15 (UT)
Fig. 4.— PSF-fitting to H-band imaging data for 2MASS J2026−2943. Shown are the normalized surface fluxes on a logarithmic scale and images on a linear scale (inset boxes) for 0
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