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17 October 1997 Adaptive optics high-spectral-resolution imaging of the planetary nebula IC 418
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We report narrow band adaptive optics near infrared imaging of the planetary nebula IC418. Our 25."6 x 25."6 images were recorded with the SHARP 11+ camera at the ESO 3.6m telescope, using the adaptive optics system ADONIS. The high spatial resolution was combined with the high spectral resolution provided by two Fabry-Perot etalons and a circular variable filter. Here we present images in the Br? and He I emission lines at 2.1655µm and 2.0581µm, respectively and discuss their astrophysical implications. Our results show that combining adaptive optics techniques with high spectral resolution opens a wide field of astrophysical studies.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Bernhard Rainer Brandl, John-David T. Smith, John C. Wilson, Frank Eisenhauer, and James R. Houck "Adaptive optics high-spectral-resolution imaging of the planetary nebula IC 418", Proc. SPIE 3126, Adaptive Optics and Applications, (17 October 1997);

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