Effect of H2S on the Near-infrared Spectrum of Irradiation Residue and Applications to the Kuiper Belt Object (486958) Arrokoth

On 2019 January 1, the New Horizons spacecraft flew by (486958) Arrokoth, a small body in the Kuiper Belt that is the most distant object ever visited by a spacecraft. A strong unidentified absorption band was observed in the spectrum of Arrokoth at 1.8 μm. We report here experimental evidence sugge...

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Veröffentlicht in:	Astrophysical journal. Letters 2021-06, Vol.914 (2)
Hauptverfasser:	Mahjoub, Ahmed, Brown, Michael E., Poston, Michael J., Hodyss, Robert, Ehlmann, Bethany L., Blacksberg, Jordana, Choukroun, Mathieu, Eiler, John M., Hand, Kevin P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Absorption bands Absorption spectra Ammonia Astrochemistry Hydrogen sulfide Infrared spectra Irradiation Kuiper belt Laboratory astrophysics Near infrared radiation New Horizons mission Pluto Residues Small Solar System bodies Solar system Spacecraft Sulfur Trans-Neptunian objects
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