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The Subaru Seminar is
usually held in Room 104 of the Hilo Base Facility, adjacent
to the main lobby. Everyone is welcome to attend. If you are
interested in giving a seminar, please contact Subaru seminar organizers
(Tae-Soo Pyo, Sherry Yeh, Nagayoshi Ohashi)
by email : sseminar_at_subaru.naoj.org (please change"_at" to @).
November 14, Friday, at 11:00 am
" The brown dwarf desert between 5 and 50 AU probed by combined direct imaging and radial velocity "
Janis Hagelberg
(IfA/University of Geneva)
I will present the results of the completed direct imaging campaign for stars with radial velocity drifts
in the HARPS and CORALIE planet-search surveys. Using the radial velocity data which spans over more
than a decade, we selected promising targets for direct imaging of sub-stellar companions to solar-type
stars. The direct imaging observations were carried out on VLT/NaCo using the angular differential
imaging technique. By combining the constraints from direct imaging and radial velocity we derived
the frequency of brown dwarfs around sound like stars in the 5 to 50 AU range.