17/18 May 2003IMACS SAC meeting update1 IMACS: Inamori-Magellan Areal Camera and Spectrograph Magellan SAC Status Report 17/18 May 2003 Univ. of Michigan,

17/18 May 2003 IMACS SAC meeting update

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IMACS:Inamori-Magellan Areal Camera and

Spectrograph

Magellan SAC Status Report

17/18 May 2003

Univ. of Michigan, Ann Arbor


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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


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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


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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


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IFU mass dummy and old center field guider


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New center-field guide camera stage


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4 of 6 grating cells


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Grating cell mounted in tilt mechanism, on DSS wheel


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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


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“Changing the oil” in the short camera quartet


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Short camera with quartet installed


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Installing the f/2 camera


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200 l/mm grism in cell, on DSS wheel


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Science array CCDs installed in dewar


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Dewar integrated with SA controller


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Grism spectra with “Gus’ mask”


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Flexure map, f/2 camera, imaging mode


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Flexure map, f/4 camera, imaging mode


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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


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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


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


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Software:

Instrument Control (Birk)

Individual module testing:Module GUI status SW/HW Int.Pr. Guider done doneSH guider done doneCF guider done IPSlit Mask Server done doneDisperser Server done doneLong Camera Focus done doneFilter Servers (2) done doneFlexure Control (LUT) done doneDetector Focus done doneHP Sensor System done IP


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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


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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


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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”)


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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


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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%


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- 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

17/18 May 2003IMACS SAC meeting update1 IMACS: Inamori-Magellan Areal Camera and Spectrograph Magellan SAC Status Report 17/18 May 2003 Univ. of Michigan,

Documents

f4 camera optics

installedf2 camera optics

guide camera stages

bigelowdone f4 camera

bigelowdonef2 camera

inamorimagellan areal

mountedshutters haredone

mechanical engineering