Millimetric thermal emission from the two faces of Iapetus

Léa Bonnefoy; Jean-Francois Lestrade; Alice Le Gall; Emmanuel Lellouch; Cédric Leyrat; Nicolas Ponthieu; Bilal Ladjelate

Conference papers

Millimetric thermal emission from the two faces of Iapetus

Léa Bonnefoy ^{1, 2} Jean-Francois Lestrade ³ Alice Le Gall ² Emmanuel Lellouch ¹ Cédric Leyrat ¹ Nicolas Ponthieu ⁴ Bilal Ladjelate ⁵

1 LESIA (UMR_8109) - Laboratoire d'études spatiales et d'instrumentation en astrophysique

2 IMPEC - LATMOS

LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales

3 LERMA (UMR_8112) - Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique

4 IPAG - Institut de Planétologie et d'Astrophysique de Grenoble

5 IRAM - Institut de RadioAstronomie Millimétrique

Abstract : We observed the two faces of Iapetus at 1.2and2.0mm using the New IRAM (Institut de RadioAstronomie Millimétrique) Kids Array (NIKA2)mounted on the IRAM-30 m telescope. On Iapetus’ trailing side, we confirm thepredictionof Ries (2012). On the leading side, however, we find that thebrightnesstemperatureis much lower at 1.2 and 2.0 mm than observed at 3 mm by Ries (2012).

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Conference papers

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Sciences of the Universe [physics]

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https://hal-insu.archives-ouvertes.fr/insu-02264965
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