13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 1 IMACS: Inamori-Magellan Areal Camera and Spectrograph Magellan SAC Status Report April 2002 OCIW, Pasadena, Ca

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 2 IMACS project team: A. DresslerPr. Investigator B. BigelowInstrument Scientist B. Sutin, H. EppsOptical des./eng. B. Bigelow, T. Hare S. Gunnels, G. Luppino, R. Cleary Mechanical des. V. Kowal, R. Storts, J. CastilloMechanical fab. A. Bagish, D. Carr, J. AsaElectronics G. Burley, I. Thompson, J. EstradaDetector systems C. Birk, K. ClardySoftware eng.

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13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 8 Optics Status: Collimator: C01 (Field lens) Done, ready to mount in cell C02 - C05Done, mounted in structure Long Camera: L01 Done, mounted in cell L02/L03/L04Lenses done, will be re-mounted in cells L05, L06Done, mounted in cells Long camera should be fully assembled by end of April 2002

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 9 Optics Status cont. Short Camera: S01, S08 (aspheres)At Tinsley, due 6/02 S07At TORC, due end of April? S02-S09Ready to be coated at STF Filters: 2 sets of CTIO B,V,I,Done 2 sets of CTIO RDue end of April ‘02 CTIO U (LCAM)Awaits ADC coating results Sloan u’, g’, r’, i’, z’Not ordered

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13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 14 Current grating selection:

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 15 Optics Status cont. Grisms: 200 l/mmUndersized mat’l re-ordered 300 l/mmMaterial due in August 600 l/mmMaterial due in May Imaging Mirror:Mirror is being re-coated following failure of over-coated silver.

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 16 Mechanical Engineering Status: Guide camera stages (Hare)Done, mods. IP Mask server (Bigelow)Done, on structure *Field Lens (Hare)Ready for mounting LCAM shutter (Hare)Done, ready to install Filter servers (Bond) Done, ready to install *Disperser server (Hare)Assy. IP, drive remaining *Grating cellsAssy. IP *Grism cellsDesigned, ready for draft. Mirror cellDone

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 17 Mechanical Engineering cont. Collimator mech. (Bigelow)Done, installed *Long camera mech. (Bigelow)Final Assy. in April Short camera mech. (Bigelow)Done, ready for optics Dewar (Luppino)Done, ready for CCDs Instrument Structure (Gunnels)Done, installed *Instrument Carriage (Gunnels)Done, minor mods. IP *Instrument Enclosures (Gunnels)Design IP

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 18 Center-field guide camera assembled and tested

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13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 20 Long camera with shutter, FS, and dewar mounted

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 21 Electronic Engineering: Alan Bagish (OCIW) is completing the electronics design for IMACS. Joe Asa is providing final assembly services on a consulting basis. Status of electronics: Schematics design (all motion stages)Done (4) Motion control (MC) chassis, Done (1) Power supply chassis, Done (1) Shutter control chassisDone (2) Electronics racks for chassisIP Instr. wiring harnessesIP

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13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 23 Detector systems: Guide cameras: - 23 cameras have been fabricated - IMACS currently has one of three needed - Remainder by May ‘02? Science array: - Detector array (8 CCDs) has been flattened to 7.5 microns - Individual detectors flat to 13 microns - Dewar and detector system mechanics done - Cold test of array in May

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 24 Software: Guiding (Clardy): - Guider position control GUIDone - Guider position graphical displayDone - Interface to telescope control****

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13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 26 Slit Mask Cutting (Clardy) : - Mask Generation (MG) **** inputs - images, data files, other output - text file with targets, names, etc. - Mask Definition (MD) Done - inputs - text file from MG, other text files - output - mask definition file - database for observing, data reduction - Mask Fabrication (MF)Done - inputs - mask definition file - output - test, laser G-code, mill G-code,.ps files

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 27 Software: Instrument Control (Birk) Individual module testing: ModuleGUI statusH/W tests Pr. Guiderdone75% SH guiderdone75% CF guiderdone90% Slit Mask Serverdone75% Disperser Server25%0% Long Camera Focusdone90% Filter Servers (2)done90% Flexure Controldone75% Detector Focus25%0% HP Sensor Systemdone50%

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 28 Software: Instrument Control cont. Integrated instrument testing: - One GUI at this level, showing all critical aspects of each module (encoder positions, limit status, temperatures, etc). - This GUI is written and 75% tested, unfinished stages remain (Disperser Server, Grating tilts, detect. focus) User Level Software: - Two GUIs at this level: - Instr. control interface (select a grating, etc.) - 50% done - Graphical Instr. Status Display - 25% done

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 29 Examples of individual stage test GUIs Filter server GUI SH guider GUI

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 30 Engineering GUI, shows status of all stage functions and sensors, operates in parallel for all modules.

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 31 User/Observer instrument control GUI

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 32 Graphics-based instrument GUI

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 33 Software: Science Array Control (Birk) Shutter control: - micro-controller for linear motors90% done CCD readout / camera control: - ‘ccdserver’ for array readout - ‘camgui’ for user interface - both are functional75% done Quick-Look Tool: - functional with simulated data90% done

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 34 Detector GUI Quick-look tool

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 35 Slit Masks: Laser system: - Convergent Gemini 150 W. CO2 laser cutting system - Ordered November 7, $280K - Acceptance testing completed March 18-22, Currently in shipment to Chile - Due at LCO May 1, 2002 ASB Facility: - 200A electrical service required - Air compressor delivered, installation required - Ventilation, fire, and fume extraction systems still required

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13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 37 Slit Masks: Slit mask blanks: - Fabricated by California Hydroforming - Current order of 100 mask blanks in progress - Order of 1000 parts to follow first delivery Mask cost: - Estimated to about $100 per mask, including laser (500 masks/year for 10 years)

13-14 April 2002Inamori-Magellan Areal Camera & Spectrograph 38 Coming up: - First light through optics - end of April - Grating tilt mechanism assembly and testing - flexure - Cold testing of CCD array - May - Instrument enclosures - August - All short camera optics coated - September