MIRAC has a continuous zoom mechanism that can create a range of image scales ranging from 0.054”/pixel (13.8” FOV) at the highest magnification ...
MIRAC is cooled via a closed cycle refrigerator and needs no daily maintenance. BLINC uses liquid nitrogen to keep its optics from contributing addit...
Camera Operation
The camera is operated via a Java-based GUI.
Since the sky flux dominates the total photons r...
MIRAC can be run remotely using any linux machine. To run MIRAC log into the mirac machine in the observing chmaber using
ssh mirac@m...
Preamp Characterization by Bill Hoffmann, Dec. 2008
[Download file "preamp performance_11.pdf"]
Preamp offset measure emtns from Bil...
Documentation on FORCAST software that runs the Cornell electronics.
FORCAST Technical Reference from Justin Schoenwald, September 2006.
...
Introduction
The Mid-Infrared Array Camera and Bracewell Infrared Nulling Cryostat (MIRAC-BLINC) is an instrument developed for use w...
Detector testing was carried out by Bill Hoffmann and Nathan Stock
Nathan's spreadsheet of results:
[Download file "Characterizations (1).xl...
Saturday, Oct. 9
The dark current appears to be:
440 dn/s in high well depth
7570 dn/s in low well depth
The filters in MIRAC4 are as follows. Some filters require additional blocking which may slightly affect their transmission profil...
BLINC is a liquid nitrogen-cooled set of fore-optics for the MIRAC system.
The entrance window provides the reflection surface for the v...
A grism in the first filter wheel can be inserted to generate an R=50-100 spectrum. The grism is typically used with the lowest ma...
The Detector is a DRS MF/HF 256 pixel array. It has a measured well depth of 17 Me- and an RMS readout noise of 2024 e-. The detector can also be ...
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MIRAC-BLINC User Manual