Abstract
We discuss imaging with arrays in the thermal IR. Aspects of the design and performance of the “Golden Gopher”, an infrared array camera are presented. This instrument operates in a high-background environment, for ground-based astronomical imaging from 5 to 27 μm. It is built around a 20×64 element Si:As Impurity Band Conduction (IBC) device manufactured by GenCorp Aerojet Electronic Systems Division, and has a noise-equivalent flux density (NEFD) of 23.5mJy min -1/2 arcsec-2 at λ=10μm, Δλ=1μm, on the Mt. Lemmon 1.5m telescope. We present and discuss a sample of the data. In addition we discuss the design and expected performance of the “Long Wavelength Spectrometer” which is now under construction for the Keck telescope.
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References
Piña, R.K., Jones, B., Puetter, R.C. & Stein, W.A. 1992, “12 and 20 Micron Imaging of the Starburst Galaxy NGC 253” Ap.J.L. 401, L75.
Piña, R.K., Jones, B., Puetter, R.C. “UCSD”S Mid-IR Astronomical Array Camera” 1993, SPIE Proc # 1946.
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Jones, B., Piña, R.K. & Puetter, R.C. 10 and 20 Micron imaging with arrays. Exp Astron 3, 37–44 (1994). https://doi.org/10.1007/BF00430114
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DOI: https://doi.org/10.1007/BF00430114