Adaptive optics imaging of Pluto-Charon and the discovery of a moon around the asteroid 45 Eugenia: The potential of adaptive optics in planetary astronomy

Laird M Close, W. J. Merline, D. Tholen, T. Owen, F. Roddier, C. Dumas

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Adaptive optics was utilized to discover a moon around asteroid 45 Eugenia and used to resolve the Pluto-Charon system. It was observed that Eugenia is elongated and the bulk density of the asteroid was found to be low. This means that the asteroid is either a burned out comet or has a hollow `rubber-pile' structure. The images were of high spatial resolution and clearly showed that Pluto is separated from Charon. Accurate photometry was possible for both Pluto and Charon. The images showed that Pluto's albedo is mainly governed by the presence of CH4 ice covering its surface and Charon is mostly covered with water-ice.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSociety of Photo-Optical Instrumentation Engineers
Volume4007
StatePublished - 2000
Externally publishedYes
EventAdaptive Optical Systems Technology - Munich, Ger
Duration: Mar 29 2000Mar 31 2000

Other

OtherAdaptive Optical Systems Technology
CityMunich, Ger
Period3/29/003/31/00

Fingerprint

Charon
Pluto (planet)
Asteroids
Adaptive optics
Astronomy
Moon
natural satellites
asteroids
adaptive optics
astronomy
Imaging techniques
Ice
Photometry
ice
Piles
Rubber
piles
albedo
comets
rubber

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Close, L. M., Merline, W. J., Tholen, D., Owen, T., Roddier, F., & Dumas, C. (2000). Adaptive optics imaging of Pluto-Charon and the discovery of a moon around the asteroid 45 Eugenia: The potential of adaptive optics in planetary astronomy. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 4007). Society of Photo-Optical Instrumentation Engineers.

Adaptive optics imaging of Pluto-Charon and the discovery of a moon around the asteroid 45 Eugenia : The potential of adaptive optics in planetary astronomy. / Close, Laird M; Merline, W. J.; Tholen, D.; Owen, T.; Roddier, F.; Dumas, C.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 4007 Society of Photo-Optical Instrumentation Engineers, 2000.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Close, LM, Merline, WJ, Tholen, D, Owen, T, Roddier, F & Dumas, C 2000, Adaptive optics imaging of Pluto-Charon and the discovery of a moon around the asteroid 45 Eugenia: The potential of adaptive optics in planetary astronomy. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 4007, Society of Photo-Optical Instrumentation Engineers, Adaptive Optical Systems Technology, Munich, Ger, 3/29/00.
Close LM, Merline WJ, Tholen D, Owen T, Roddier F, Dumas C. Adaptive optics imaging of Pluto-Charon and the discovery of a moon around the asteroid 45 Eugenia: The potential of adaptive optics in planetary astronomy. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 4007. Society of Photo-Optical Instrumentation Engineers. 2000
Close, Laird M ; Merline, W. J. ; Tholen, D. ; Owen, T. ; Roddier, F. ; Dumas, C. / Adaptive optics imaging of Pluto-Charon and the discovery of a moon around the asteroid 45 Eugenia : The potential of adaptive optics in planetary astronomy. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 4007 Society of Photo-Optical Instrumentation Engineers, 2000.
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