... excess

Its small infrared excess is attributed to one, maybe two, close companions at sub-arcsecond separation (Ghez et al. 1993; Ghez et al. 1997).

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... 1.871970 days 

This is the period representative of the main spot that dominates the light curve observed.

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... Server

http://ines.laeff.esa.es/

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... Facility

IRAF is distributed by the National Optical Astronomy Observatories, which is operated by the Association of Universities for Research in Astronomy, Inc. (AURA) under cooperative agreement with the National Science Foundation.

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... indices

m₁ = (v-b)-(b-y) and c₁=(u-v)-(v-b).

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... g

Earth mass: $5.976\times10^{27}$ g.

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