Infrared high-resolution spectroscopy of pluto by subaru telescope

Takanori Sasaki; Masateru Ishiguro; Daisuke Kinoshita; Ryosuke Nakamura

doi:10.1142/9789812707192_0026

Infrared high-resolution spectroscopy of pluto by subaru telescope

Takanori Sasaki, Masateru Ishiguro, Daisuke Kinoshita, Ryosuke Nakamura

Graduate Institute of Astronomy

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

Here we report a infrared high-resolution spectroscopy of Pluto in the L band. The spectroscopic observation was performed by the Subaru telescope with the adaptive optics system. The spectrum is dominated by the strong and broad absorption features of methane, but includes some additional features. Comparing the spectrum with model calculations, we suggest that absorption features could be an indication of nonmethane hydrocarbons on Pluto’s surface.

Original language	English
Title of host publication	Advances in Geosciences
Subtitle of host publication	Volume 3: Planetary Science (PS)
Publisher	World Scientific Publishing Co.
Pages	281-286
Number of pages	6
ISBN (Electronic)	9789812707192
ISBN (Print)	9789812569837
DOIs	https://doi.org/10.1142/9789812707192_0026
State	Published - 1 Jan 2006

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10.1142/9789812707192_0026

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AB - Here we report a infrared high-resolution spectroscopy of Pluto in the L band. The spectroscopic observation was performed by the Subaru telescope with the adaptive optics system. The spectrum is dominated by the strong and broad absorption features of methane, but includes some additional features. Comparing the spectrum with model calculations, we suggest that absorption features could be an indication of nonmethane hydrocarbons on Pluto’s surface.

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BT - Advances in Geosciences

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Infrared high-resolution spectroscopy of pluto by subaru telescope

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