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Near-IR coronagraphic imaging of the companion to HR 7672
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Near-IR coronagraphic imaging of the companion to HR 7672
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This article presents coronagraphic images of the low-mass companion to the star HR 7672 observed at the Palomar 200 inch telescope and first detected at Gemini and Keck in the K band by \citet{liu02}. We obtained additional photometry in $J$($1.2\mu m$), $H$($1.6\mu m$) and $K_s$ ($2.2\mu m$) bands to cover the full near-IR domain and hence to further constrain the nature of the companion. A mass estimate of 58-71$ \mathrm{M_J}$ is derived from evolutionary models of very low-mass objects.
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