Based on observations obtained on Cerro Paranal, Chile, in ESO programs 73.C-0164 and 273.C-5047 as well as on data collected at the Subaru Telescope and the Hubble Space Telescope, both obtained from their science archives.

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$L=6.05 \pm 0.13$ mag from Glass & Penston (1974) and Hughes et al. (1994); hence, $L' \simeq 6.05$ mag; the difference between L and L' for K7 is marginal, within the 0.3 mag error given of the companion.

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...2004)

The primary has a K-band excess due to its disk of $\sim$ 2 mag (from a K7V blackdody fit to its UBVRIJHK mags).

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