Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989itns...36..955r&link_type=abstract
(IEEE, DOE, NIST, et al., 1988 Nuclear Science Symposium, Orlando, FL, Nov. 9-11, 1988) IEEE Transactions on Nuclear Science (IS
Astronomy and Astrophysics
Astronomy
Astronomical Spectroscopy, Automatic Control, Data Acquisition, Infrared Detectors, Infrared Spectroscopy, Fabry-Perot Spectrometers, Imaging Spectrometers, Microcomputers
Scientific paper
A microcomputer-based data acquisition system has been developed for astronomical observation with two-dimensional infrared detector arrays operating at high pixel rates. The system is based on a 16-bit 8086/8087 microcomputer operating at 10 MHz. Data rates of up to 560,000 pixels/s from arrays of up to 4096 elements are supported using the microcomputer system alone. A hardware co-adder under development permits data accumulation at rates of up to 1.67 million pixels/s in both staring and chopped data acquisition modes. The system has been used for direct imaging and for data acquisition in a Fabry-Perot spectrometer. The hardware is operated using interactive software which supports the several available modes of data acquistion and permits data display and reduction during observing sessions.
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