A public interferometric survey of the gaseous circumstellar environments of hot stars is being conducted. It is named OHANA — the Observatory survey at High ANgular resolution of Active OB stars. The survey is a bad weather/filler programme currently carried out by the VLTI group at the Paranal Observatory. The targets are selected from three classes: Be stars; supergiants and LBVs; and interacting binaries. The data are taken with the AMBER instrument in its high spectral resolution setting (R=12000). The data are available immediately through the ESO archive under programme 092.D-0289. Quick-look reductions are published soon after and can be obtained from a dedicated forum.
More details, including the proposal, can be found here.
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