6-7 October 2001 Inamori-Magellan Areal Camera & Spectrograph

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IMACS:Inamori-Magellan Areal Camera and

Spectrograph

Magellan SAC Status Report

6-7 October 2001

U. Arizona, Tucson, AZ

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Current project team:A. Dressler Principal Investigator

B. Bigelow Instrument Scientist

Optical Engineering

B. Sutin, H. Epps

Mechanical Engineering:

B. Bigelow, T. Hare, S. Gunnels, G. Luppino (Consult.)

R. Cleary (drafting)

Electrical Engineering

J. Asa, D. Carr (Consult)

Detector Systems:

G. Burley, I. Thompson, J. Estrada

Software Engineering:

C. Birk, K. Clardy

Fabrication:

V. Kowal, R. Storts, J. Castillo, P. Ramirez

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Optics Status:

Collimator:

C01 (Field lens) Finished, at OCIW

C02 - C03 Finished, mounted in cells

C04 - C05 At Spectrum TFL for coating

Long Camera:

L01 - L06 At Spectrum TFL for coating

Short Camera:

S01, S08 Blanks at REOSC, specifications under revision

S02 - S09 At TORC for polishing

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Optics Status cont.

Filters:

Two sets of UBRI filters matching those used by Arlo Landolt

have been ordered from Barr.

Grisms:

Design of the grisms is in progress.

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Current grating selection:

RulingDensity

Lines/mm

BlazeAngle

Degrees

Order CentralWavelength

um

WavelengthRange

um

DispersionR/0.5 arcsec

slit300 4.3 1 0.665 0.365-0.974 2163

300 36.87 5-11 0.336-0.738 0.308-0.799 20687

600 8.63 1 0.518 0.365-0.675 3494600 13 1 0.841 0.684-1.0 6120

1200 17.45 1 0.444 0.365-0.523 65351200 26.7 1 0.924 0.864-1.0 20694

1200 26.7 2 0.404 0.365-0.443 15776

1200 26.7 2 0.520 (max) 0.482-0.557 28082

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Mechanical Engineering Status:

Guide camera stages (Hare) Assy. IP

Mask server (Bigelow) Mods. IP

Field Lens (Hare) Done

LCAM shutter (Hare) Done

Filter servers Done

Disperser server (Hare) re-design, draft. IP

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Mechanical Engineering cont.

Collimator (Bigelow) Assy. IP

Long camera (Bigelow) Ready for Assy.

Short camera (Bigelow) Drafting IP

Dewar (Luppino) Done

Instrument Structure (Gunnels) IP

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6-7 October 2001 Inamori-Magellan Areal Camera & Spectrograph

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Center field guide camera assembled and tested

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Principal and SH guide cameras being assembled 10/01

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Field lens coated, in shipping fixture

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Field lens cell

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Collimator barrel ready for assembly

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C02 during after final potting operation

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C03 during first potting step

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6-7 October 2001 Inamori-Magellan Areal Camera & Spectrograph

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First grating tilt mechanism assembled

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Long camera

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Front and rear barrelstock.

Rings for lens cells.

LCAM materials atM&T, 5/01

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LCAM scale control system assembled and operated

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Long camera with shutter, FS, and dewar mounted

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Convergent/Prima commercial 150W CO2 laser cutting system $270K (2 sec/slit).

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Directed Light laser cutting system

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Electronic Engineering:

Dave Carr is providing electronics design for IMACS

on a consulting basis. Status of electronics:

(3) Motion control (MC) chassis, 1 Done, 1 IP

(1) Power supply chassis, Done

(1) Shutter control chassis Done

(2) PI chassis (flexure & scale control) Done

Schematics design (all motion stages) Done

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Detector systems:

Guider cameras:

- 4 cameras at LCO, 5 more to be fabricated this year

- 3 cameras for IMACS by end of 2001?

Science arrays:

- All CCDs in house

- Dewar and detector system mechanics in house

- First OCIW science controller (with 1 CCD) operating

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Detector systems continued:

Five science cameras planned for assembly in 2001:

- 2K x 4K lab system

- Red and Blue 2K x 4K cameras for MIKE

- 4K x 4K camera

- IMACS 8K x 8K

Jorge Estrada now assisting with electronics assemblyof the guiders and eventually, the science arrays.