P3.18 Point the slit

• Phase : 3
• Status : Draft
• Category : Nighttime testing (functionality and operability) (C5)
• Recurrence : before every observing target (LSS), starting from commissioning
• Duration : 8 hours

Description

• This activity will point the long slit at the (known) position angle of an off-axis source.

Prerequisites

• Atmospheric conditions: AO working conditions.
• Authorize SHARK-NIR on the SX side.

Procedure

• Preset to a star with known companion (either a planet or a stellar companion)
• Center the star behind the slit occulter
• By moving the instrument derotator, point the slit at the nominal (known) position of the companion.

Templates

• SHARKNIR_gen_Preset? TBD

Success criteria

• Spectrum of the companion clearly distinguishable in raw data. It requires low star-to-planet contrast.
• Direct imaging of the companion?

Notes

LBTO support

• AO support

Date performed and by whom