IMACS InamoriMagellan Areal Camera and Spectrograph Magellan SAC

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

17/18 May 2003 IMACS SAC meeting update 3

17/18 May 2003 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 2 sets, CTIO B, V, I, done, installed 2 sets of CTIO R done, installed CTIO U (LCAM) awaits ADC coating Filters: *new since last report 17/18 May 2003 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: 17/18 May 2003 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 17/18 May 2003 - 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 8

IFU mass dummy and old center field guider 17/18 May 2003 IMACS SAC meeting update 9

New center-field guide camera stage 17/18 May 2003 IMACS SAC meeting update 10

4 of 6 grating cells 17/18 May 2003 IMACS SAC meeting update 11

Grating cell mounted in tilt mechanism, on DSS wheel 17/18 May 2003 IMACS SAC meeting update 12

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 17/18 May 2003 IMACS SAC meeting update 13

“Changing the oil” in the short camera quartet 17/18 May 2003 IMACS SAC meeting update 14

Short camera with quartet installed 17/18 May 2003 IMACS SAC meeting update 15

Installing the f/2 camera 17/18 May 2003 IMACS SAC meeting update 16

200 l/mm grism in cell, on DSS wheel 17/18 May 2003 IMACS SAC meeting update 17

Science array CCDs installed in dewar 17/18 May 2003 IMACS SAC meeting update 18

Dewar integrated with SA controller 17/18 May 2003 IMACS SAC meeting update 19

Grism spectra with “Gus’ mask” 17/18 May 2003 IMACS SAC meeting update 20

Flexure map, f/2 camera, imaging mode 17/18 May 2003 IMACS SAC meeting update 21

Flexure map, f/4 camera, imaging mode 17/18 May 2003 IMACS SAC meeting update 22

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 17/18 May 2003 IMACS SAC meeting update 23

Detector systems: Flexure sensor detectors - First light on first sensor 5/15/03! Science array CCD/controller performance: - SITe RN spec: 4. 5 e- min < 5. 2 e- typ < 6. 5 e- max, 20 us/px - Measured single chip RN 3. 5 e- at 10 us/px - Full array 4. 8 e- at 10 us/px (estimate, not optimized) - No measurable crosstalk - CCD operating temperature: -110 C - Column-wise image bleeding - in CCDs? - Additional cold room testing in May 17/18 May 2003 IMACS SAC meeting update 24

First light image from one of two flexure control detectors in the IMACS focal plane. 17/18 May 2003 IMACS SAC meeting update 25

Software: Instrument Control (Birk) Individual module testing: Module Pr. Guider SH guider CF guider Slit Mask Server Disperser Server Long Camera Focus Filter Servers (2) Flexure Control (LUT) Detector Focus HP Sensor System 17/18 May 2003 GUI status done done done IMACS SAC meeting update SW/HW Int. done IP done done IP 26

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 17/18 May 2003 IMACS SAC meeting update 27

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: 17/18 May 2003 ready to ship IMACS SAC meeting update 28

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”) 17/18 May 2003 IMACS SAC meeting update 29

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 17/18 May 2003 IMACS SAC meeting update 30

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% 17/18 May 2003 IMACS SAC meeting update 31

Shipping and installation: - Instrument document suite (all web-based): 17/18 May 2003 - Engineering manual + drawings IP - Electronics manual + schematics IP - Software manual IP - Detector systems manual IP - User’s manual IP IMACS SAC meeting update 32