TNOs are Cool: A survey of the trans-Neptunian region

Author: Fornasier S.   Lellouch E.   Müller T.   Santos-Sanz P.   Panuzzo P.   Kiss C.   Lim T.   Mommert M.   Bockelée-Morvan D.   Vilenius E.   Stansberry J.   Tozzi G. P.   Mottola S.   Delsanti A.   Crovisier J.   Duffard R.   Henry F.   Lacerda P.   Barucci A.   Gicquel A.  

Publisher: Edp Sciences

E-ISSN: 1432-0746|555|issue|A15-A15

ISSN: 0004-6361

Source: Astronomy & Astrophysics, Vol.555, Iss.issue, 2013-06, pp. : A15-A15

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Abstract

Aims. Trans-Neptunian objects (TNOs) are bodies populating the Kuiper belt and they are believed to retain the most pristine and least altered material of the solar system. The Herschel open time key programme entitled “TNOs are Cool: A survey of the trans-Neptunian region” has been awarded 373 h to investigate the albedo, size distribution and thermal properties of TNOs and Centaurs. Here we focus on the brightest targets observed by both the PACS and SPIRE multiband photometers: the dwarf planet Haumea, six TNOs (Huya, Orcus, Quaoar, Salacia, 2002 UX25, and 2002 TC302), and two Centaurs (Chiron and Chariklo).

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