Optical Spectroscopy of the Large Kuiper Belt Objects 136472 (2005 FY9) and 136108 (2003 EL61)

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dc.creatorTegler, S. C.
dc.creatorGrundy, W.
dc.creatorRomanishin, W.
dc.creatorConsolmagno, G.
dc.creatorMogren, K.
dc.creatorVilas, F.
dc.date2006-11-03
dc.date.accessioned2026-07-07T11:20:39Z
dc.date.available2026-07-07T11:20:39Z
dc.descriptionWe present high signal precision optical reflectance spectra of the large Kuiper belt objects 2005 FY9 and 2003 EL61. The spectrum of 2005 FY9 exhibits strong CH4-ice bands. A comparison between the spectrum and a Hapke model indicates the CH4 bands are shifted 3.25 +/- 2.25A relative to pure CH4-ice, suggesting the presence of another ice component on the surface of 2005 FY9, possibly N2-ice, CO-ice, or Ar. The spectrum of 2003 EL61 is remarkably featureless. There is a hint of an O2-ice band at 5773A; however, this feature needs to be confirmed by future spectroscopic observations of 2003 EL61 with a higher continuum signal precision, sufficient to detect a second weaker O2-ice band at 6275A.
dc.descriptionThe paper will appear in the Astronomical Journal. The paper consists of 17 pages (1 table and 6 figures)
dc.identifierhttps://arxiv.org/abs/astro-ph/0611135
dc.identifierhttp://arxiv.org/abs/astro-ph/0611135
dc.identifierAstron.J.133:526-530,2007
dc.identifierdoi:10.1086/510134
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/194024
dc.subjectAstrophysics
dc.titleOptical Spectroscopy of the Large Kuiper Belt Objects 136472 (2005 FY9) and 136108 (2003 EL61)
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