Adaptive optics high-spectral-resolution imaging of the planetary nebula IC418

Bernhard Rainer Brandl; John-David T. Smith; John C. Wilson; Frank Eisenhauer; James R. Houck

doi:10.1117/12.279063

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17 October 1997 Adaptive optics high-spectral-resolution imaging of the planetary nebula IC 418

Bernhard Rainer Brandl, John-David T. Smith, John C. Wilson, Frank Eisenhauer, James R. Houck

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Proceedings Volume 3126, Adaptive Optics and Applications; (1997) https://doi.org/10.1117/12.279063
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

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.

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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); https://doi.org/10.1117/12.279063

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