Dynamical mass of the substellar benchmark binary HD 130948BC

Dupuy, Trent J; Liu, Michael C; Ireland, Michael

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Dynamical mass of the substellar benchmark binary HD 130948BC

Date

2009

Authors

Dupuy, Trent J

Liu, Michael C

Ireland, Michael

Publisher

IOP Publishing

Abstract

We present Keck adaptive optics imaging of the L4+L4 binary HD 130948BC along with archival Hubble Space Telescope and Gemini North observations, which together span ≈ 70% of the binary's orbital period. From the relative orbit, we determine a total dyn