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6 June 1995 3D: a new generation imaging spectrometer
Alfred Krabbe, L. Weitzel, Harald Kroker, Lowell E. Tacconi-Garman, M. Cameron, Niranjan A. Thatte, G. Samann, Torsten Boeker, Reinhard Genzel, S. Drapatz
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Proceedings Volume 2475, Infrared Detectors and Instrumentation for Astronomy; (1995) https://doi.org/10.1117/12.211254
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States
Abstract
3D, the next generation near-IR spectrometer developed at the MPE, offers, in a single integration, the opportunity to image an 8" x 8" field with a pixel scale of 0.5" or 0.3" across the entire K- or H-band simultaneously at a spectral resolution of R equals 1000 or R equals 2000 (K). Combining the advantages of imaging and spectroscopy increases the observing efficiency on small extended objects (e.g., galactic nuclei) by such a large factor over existing grating or Fabry-Perot spectrometers that subarcsecond near-IR spectroscopy on faint Seyferts, starbursts, quasars, or distant galaxies clusters becomes feasible for the first time on 4 m class telescopes. 3D, including a NICMOS III FPA at 25 e-/single read, has been successfully operated at telescopes such as the 4.2 m WHT, 3.5 m Calar Alto, and 2.2 m La Silla. An additional tip-tilt seeing corrector for 3D called ROGUE correcting on up to 18th mag stars at 4 m-class-telescopes was successfully commissioned in the summer of 1994. The optical and electronic design of 3D as well as recent results are presented.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Alfred Krabbe, L. Weitzel, Harald Kroker, Lowell E. Tacconi-Garman, M. Cameron, Niranjan A. Thatte, G. Samann, Torsten Boeker, Reinhard Genzel, and S. Drapatz "3D: a new generation imaging spectrometer", Proc. SPIE 2475, Infrared Detectors and Instrumentation for Astronomy, (6 June 1995); https://doi.org/10.1117/12.211254
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KEYWORDS
Spectroscopy
Galactic astronomy
Telescopes
K band
Sensors
3D image processing
Stars
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