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Derived Orbit
The STEPS discovery GJ 802b is believed to be a brown dwarf (BD). The derived model orbit is shown with the solid lines and the STEPS observations with the data points. The green circles depict an imaging observation that failed to detect the secondary providing further evidence that it is a BD.
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Mass Determination
The mass limits for the brown dwarf GJ 802b. The mass is between 0.04-0.08 Solar masses depending upon the poorly-determined eccentricity of the orbit.
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Hubble Space Telescope Image
The Hubble Space Telescope image that confirms the STEPS discovery of GJ 164B. GJ 164B is a late M dwarf or a brown dwarf.
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Keck Laser Guide Star Adaptive Optics Image
G 78-28AB binary was discovered with STEPS and confirmed with this laser guide star adative optics image from Pravdo et al. 2006, ApJ, in press, also astro-ph/0605306. The separation between A and B is in milliarcseconds (mas).
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