Is Sedna another Triton?

Details Is Sedna another Triton? Is Sedna another Triton?

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005a%26a...439l...1b&link_type=abstract

Astronomy and Astrophysics, Volume 439, Issue 2, August IV 2005, pp.L1-L4

Astronomy and Astrophysics

Astrophysics

38

Tnos, Visible, Infrared, Spectroscopy, Photometry

Scientific paper

90377 Sedna is, so far, the largest and most distant trans-neptunian object. It was observed at visible and near-infrared wavelengths using simultaneously two 8.2 m telescopes at the Very Large Telescope of the European Southern Observatory. The spectrum of Sedna suggests the presence on its surface of different ices (total abundance >50%). Its surface composition is different from that determined for other trans-neptunian objects, and apparently resembles that of Triton, particularly in terms of the possible presence of nitrogen and methane ices.

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