SIF status Report 2007/08

ASK Workshop 24th June 2008

Disassembling Disassembling SIF at the Old SIF at the Old

StationStation

Empty Old Empty Old PlatformPlatform

Transport to the Transport to the New Station - New Station -

KHOKHO

Installing SIF in Installing SIF in the new KHO the new KHO dome roomdome room

ReassemblReassemblyy

The new The new SIF SIF

platform platform completecomplete

Current StatusCurrent Status

• SIF installed, aligned and focussed at KHOSIF installed, aligned and focussed at KHO

• TLC imager digitised, no more reliance on SVHS or DV tape TLC imager digitised, no more reliance on SVHS or DV tape changes (– more details from Dan)changes (– more details from Dan)

• TLC time code automatically synched to SIF server time, no TLC time code automatically synched to SIF server time, no more more manually setting timemanually setting time

• RAID system to archive data, written to LTO tape on visitsRAID system to archive data, written to LTO tape on visits

• New fisheye lens for TLC - 50 degrees across (1New fisheye lens for TLC - 50 degrees across (1stst linear linear approx) approx) still with RG645 cut-off filterstill with RG645 cut-off filter

• New TLC mounting bracket made to position camera in middle New TLC mounting bracket made to position camera in middle of platform (accommodating larger field of view)of platform (accommodating larger field of view)

Outstanding Outstanding issuesissues

• RAID overheating issue. Move the RAID to another room?RAID overheating issue. Move the RAID to another room?

• Get all filter curves measured at the UNIS Get all filter curves measured at the UNIS calibration calibration lablab

• Get new flat lamp with better emission at blue wavelengths Get new flat lamp with better emission at blue wavelengths and and some more focussing lamps (or borrow some from some more focussing lamps (or borrow some from UNIS?)UNIS?)

• Increase available temporal resolution for photometers Increase available temporal resolution for photometers (currently restricted to ~16 Hz by windows / VB software)(currently restricted to ~16 Hz by windows / VB software)

• Decide on photometer filter combinations, mosaic options and Decide on photometer filter combinations, mosaic options and integration times for next seasonintegration times for next season

• Set up new conv coefficients for new fisheye lensSet up new conv coefficients for new fisheye lens