IMACS: InamoriMagellan Areal Camera and Spectrograph

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IMACSInamori-Magellan Areal Camera and
Spectrograph

• Magellan SAC Status Report
• 17/18 May 2003
• Univ. of Michigan, Ann Arbor

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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 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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Current grating selection
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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 Instrume
nt 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 Tem
perature, 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 lt 5.2e-
typ lt 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 done SH
guider done done CF guider done IP Slit
Mask Server done done Disperser
Server done done Long Camera
Focus done done Filter Servers
(2) done done Flexure Control
(LUT) done done Detector Focus done done HP
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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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
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Shipping and installation - Instrument
document suite (all web-based) - Engineering
manual drawings IP - Electronics manual
schematics IP - Software manual IP -
Detector systems manual IP - Users
manual IP