1. PALM-3000 HOWFS - 5/29/09 C. Baranec

2. PALM-3000 HOWFS tasks in preparation for testbed work CCD50 readout modes – defined, awaiting quote. Test the camera modes – RN/DC (JR, ? days) New HOWFS structure (detail next…) – (ME, ?) Document alignment plan - (CB, 1 day) Labview alignment feedback - (CB+, 3+ days) Realign telescope simulator – (CB, 1 day) Second alignment (prior testbed) – (CB, 7 days) Amendments to alignment procedure – (CB, 1 day) 2

3. PALM-3000 Mechanical Engineering Update 3 Task #PriorityDescriptionStatus 11CCD50 kinematic mountFabrication by June 1 st 21CCD50/relay baseplateFabrication by June 1 st 31Collimating optics supportSolidworks model 41Main HOWFS/ACam baseSolidworks model 52ACam optics mountsConceptual 62ACam camera mountConceptual 73Field stop with ACam mirrorConceptual 84EnclosureConceptual Current flexure analysis estimates the flexure of the HOWFS is ~0.1”/hour passive, NOT including compliance of ATS150. Error budget is for 0.1”/hour with ATS150…

4. PALM-3000 Summary Total labor: CB – ~15 days JR – CCD testing modes, integration ME – ongoing time from Khanh Bui AB – integration Additional Fabrication costs: SciMeasure camera modes - ? Mechanical fabrication - ? New optics (col, cyl) - $1000 4