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Proceedings Paper

3D: a new generation imaging spectrometer
Author(s): 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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Paper 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.

Paper Details

Date Published: 6 June 1995
PDF: 12 pages
Proc. SPIE 2475, Infrared Detectors and Instrumentation for Astronomy, (6 June 1995); doi: 10.1117/12.211254
Show Author Affiliations
Alfred Krabbe, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
L. Weitzel, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Harald Kroker, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Lowell E. Tacconi-Garman, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
M. Cameron, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Niranjan A. Thatte, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
G. Samann, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Torsten Boeker, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Reinhard Genzel, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
S. Drapatz, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)


Published in SPIE Proceedings Vol. 2475:
Infrared Detectors and Instrumentation for Astronomy
Albert M. Fowler, Editor(s)

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