IMACS: Inamori-Magellan Areal Camera and Spectrograph

1. IMACS:Inamori-Magellan Areal Camera and Spectrograph Magellan SAC Status Report 17/18 May 2003 Univ. of Michigan, Ann Arbor IMACS SAC meeting update

2. IMACS SAC meeting update

3. IMACS SAC meeting update

4. Optics Status: Field lens and Collimator optics : done, installed f/4 camera optics: done, installed f/2 camera optics*: done, installed Grisms: 200 l/mm* done, installed 300 l/mm ready to mount in cell 600 l/mm ready to mount in cell Filters: 2 sets, CTIO B,V,I, done, installed 2 sets of CTIO R done, installed CTIO U (LCAM) awaits ADC coating *new since last report IMACS SAC meeting update

5. Optics Status cont. Imaging Mirrors: Ag mirror installed Al mirror ready to mount Echellette Optics Grating done Prism (Zygo) due end of May Durham IFU: due end of May IMACS SAC meeting update

6. Mechanical Engineering Status: Guide camera stages (Hare) done, mounted Calibration lamp system (Hare) done, mounting IP Mask server (Bigelow) done, mounted Field Lens (Hare) done, mounted Shutters (Hare) done, mounted Filter servers (All hands...) done, mounted Disperser server (Hare) done, mounted - 6 Grating cells (Bigelow) done, mounted - 3 Grism cells (Bigelow) 1 done, 2 IP - 2 Mirror cells (Bigelow) 1 done, 1 IP IMACS SAC meeting update

7. IFU mass dummy and old center field guider IMACS SAC meeting update

8. New center-field guide camera stage IMACS SAC meeting update

9. 4 of 6 grating cells IMACS SAC meeting update

10. Grating cell mounted in tilt mechanism, on DSS wheel IMACS SAC meeting update

11. Mechanical Engineering cont. Collimator mech. (Bigelow) done f/4 camera opto-mech. (Bigelow) done f/2 camera opto-mech. (Bigelow) done Dewar (Luppino) done Instrument Structure (Gunnels) done Instrument Carriage (Gunnels) done Instrument Enclosures (Gunnels) done Instrument Utility wrap (Gunnels) done IMACS SAC meeting update

12. “Changing the oil” in the short camera quartet IMACS SAC meeting update

13. Short camera with quartet installed IMACS SAC meeting update

14. Installing the f/2 camera IMACS SAC meeting update

15. 200 l/mm grism in cell, on DSS wheel IMACS SAC meeting update

16. Science array CCDs installed in dewar IMACS SAC meeting update

17. Dewar integrated with SA controller IMACS SAC meeting update

18. Grism spectra with “Gus’ mask” IMACS SAC meeting update

19. Flexure map, f/2 camera, imaging mode IMACS SAC meeting update

20. Flexure map, f/4 camera, imaging mode IMACS SAC meeting update

21. Electronic Engineering (Baggish): Schematics design (all motion stages) done (4) Motion control (MC) chassis, done (1) Power supply chassis, done (1) Shutter control chassis done (2) Electronics racks for chassis done (2) SA + FC power supply chassis done (2) Guider power supply chassis done Instr. wiring harnesses done Temperature, pressure, voltage sensors IP IMACS SAC meeting update

22. Detector systems: Flexure sensor detectors - First light on first sensor 5/15/03! Science array CCD/controller performance: - SITe RN spec: 4.5e- min < 5.2e- typ < 6.5e- max, 20us/px - Measured single chip RN 3.5e- at 10us/px - Full array 4.8e- at 10us/px (estimate, not optimized) - No measurable crosstalk - CCD operating temperature: -110C - Column-wise image bleeding - in CCDs? - Additional cold room testing in May IMACS SAC meeting update

23. First light image from one of two flexure control detectors in the IMACS focal plane. IMACS SAC meeting update

24. Software: Instrument Control (Birk) Individual module testing: Module GUI status SW/HW Int. Pr. Guider done done SH guider done done CF guider done IP Slit Mask Server done done Disperser Server done done Long Camera Focus done done Filter Servers (2) done done Flexure Control (LUT) done done Detector Focus done done HP Sensor System done IP IMACS SAC meeting update

25. Software: Instrument Control cont. Test and integration instrument control: - One GUI at this level, showing all critical aspects of each module: ready to ship User Level Software: - Two GUIs at this level: - Instrument control interface: ready to ship - Graphical Instr. Status Display: ready to ship IMACS SAC meeting update

26. Software: Science Array Control (Birk) Shutter control: - micro-controller for linear motors done CCD readout / camera control: - “ccdserver” for array readout ready to ship - “camgui” for user interface ready to ship Quick-Look Tool: ready to ship IMACS SAC meeting update

27. Coming up: - Function and performance testing (in progress) - Cold testing of mechanisms (in progress) - Cold testing of optical systems - Thermal focus look-up table for f/4 camera - Flexure maps and control loops (open and closed) - Plumbing of liquid cooling system (in progress) - Installation of air over-pressure and circulation systems - Mounting of last two grisms and Al imaging mirror - Design of echellette opto-mechanics - Final test and integration of FC detectors (“wing chips”) IMACS SAC meeting update

28. Shipping and installation: - Pre-shipment review 5/28/03 - External reviewers: - Harland Epps, UCSC - Jerry Nelson, UCSC - Dan Fabricant, Harvard/SAO - Bob Fata, Harvard/SAO - Disassembly starts week of 6/16/03 - Shipment to Long Beach on 7/1/03 - Columbus voyage #357 departs 7/5/03, arrives 7/23/03 - Container arrives at LCO on or around 8/1/03 IMACS SAC meeting update

29. Shipping and installation: Continued: - Installation preparation starts 8/1/03 - Installation time runs 8/6 - 8/18 Local Preparations: - Installation schedule (Bigelow) 90% - Commissioning schedule (Dressler, Oemler) IP - Shipping plan (Bigelow) IP - LCO Support agreement (Bigelow, Dressler) IP - Shipping crates and containers (OCIW) 90% IMACS SAC meeting update

30. Shipping and installation: - Instrument document suite (all web-based): - Engineering manual + drawings IP - Electronics manual + schematics IP - Software manual IP - Detector systems manual IP - User’s manual IP IMACS SAC meeting update