18/19 January 2003 IMACS SAC meeting update

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IMACS:Inamori-Magellan Areal Camera and

Spectrograph

Magellan SAC Status Report

18/19 January 2003

OCIW, Pasadena, Ca

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IMACS project team:

A. Dressler Pr. Investigator

B. Bigelow Instrument Scientist

B. Sutin, H. Epps Optical des./eng.

B. Bigelow, T. Hare

S. Gunnels, G. Luppino,

R. Cleary Mechanical des.

V. Kowal, R. Storts, J. Castillo Mechanical fab.

A. Bagish, D. Carr, J. Asa Electronics

G. Burley, I. Thompson, J. Estrada Detector systems

C. Birk, K. Clardy Software eng.

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Optics Status:

Collimator:

C01 (field lens) - C05 done, installed

Long Camera:

L01-L06 done, installed

Short Camera:

S01 - S09 done, mounted

Grisms:

200 l/mm done, ready to mount

300 l/mm ruling at RGL

600 l/mm ruling at RGL

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Optics Status cont.

Filters: 2 sets of CTIO B,V,I, done, mounted

2 sets of CTIO R done, mounted

CTIO U (LCAM) awaits ADC coating

Sloan u’, g’, r’, i’, z’ not ordered

Imaging Mirrors: Al mirror mounted

Ag mirror done

Echellette Optics

Grating done

Prism (Zygo) IP

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Mechanical Engineering Status:

Guide camera stages (Hare) done, mounted

Calibration lamp system (Hare) IP

Mask server (Bigelow) done, mounted

Field Lens (Hare) done, mounted

Shutters (Hare) done, mounted

Filter servers (Bond/Bigelow) done, mounted

Disperser server (Hare) done, mounted

- Grating cells (Bigelow) 1 of 6 done

- Grism cells (Bigelow) IP

- Mirror cells (Bigelow) 1 of 2 done

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Mechanical Engineering cont.

Collimator mech. (Bigelow) done, mounted

Long camera mech. (Bigelow) done, mounted

Short camera mech. (Bigelow) done, assy IP

Dewar (Luppino) done, mounted

Instrument Structure (Gunnels) done

Instrument Carriage (Gunnels) done

Instrument Enclosures (Gunnels) done, minor mods IP

Instrument Utility wrap (Gunnels) done

Integral Field Unit (Durham) IP

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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* IP

(2) Guider power supply chassis* IP

Instr. wiring harnesses IP

*new since last meeting

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Detector systems:

Guide cameras:

- 3 cameras in house, one loaned to LCO

Science array:

- First light with 7 chip array 12/10/02

- Multiple test runs, flexure testing IP

- CCD copper cooling strap tuning IP

- Test/integration of detector focus and flexure control IP

- Electronic/software integration IP

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Software:

Instrument Control (Birk)

Individual module testing:

Module GUI status H/W testsPr. Guider done 80%SH guider done 80%CF guider done 90%Slit Mask Server done 75%Disperser Server 90% 50%Long Camera Focus done 90%Filter Servers (2) done 90%Flexure Control done 75%Detector Focus 50% 10%HP Sensor System done 60%

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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 90% 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.) - 75% done

- Graphical Instr. Status Display - 50% done

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Software:

Science Array Control (Birk)

Shutter control:

- micro-controller for linear motors 90% done

CCD readout / camera control:

- “ccdserver” for array readout working

- “camgui” for user interface working

Quick-Look Tool:

- functional with *real* data 90% done

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Slit Masks:

Laser mask cutting system:

- high quality masks delivered to SBS for testing

- some laser tuning issues remain

- still debugging RS-274 (G-code) generation - syntax

- storage of used masks?

- order of large stock of mask blanks?

- mask blanks approx. $100 each

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Coming up:

- Final assembly and testing of F/2 camera

- Final integration of detector system

- Fab of grism cells, mounting of grisms (3)

- Fab of grating cells (5), and tilt mechanisms (3)

- Power supply chassis (3), SA & FC controllers, guiders

- Instrument cooling system plumbing

- Thermal testing (Bally enclosure due 1/27/03)

- Shipping preparations started

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