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- European Southern ObservatoryCL534 papers
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4 papers · 2 filters
ALMA Observations of Asteroid 3 Juno at 60 Kilometer Resolution
ALMA Partnership, T. R. Hunter, R. Kneissl +67
We present Atacama Large Millimeter/submillimeter Array (ALMA) 1.3 mm continuum images of the asteroid 3 Juno obtained with an angular resolution of 0.042 arcseconds (60 km at 1.97…
Kuiper belt structure around nearby super-Earth host stars
Grant M. Kennedy, Luca Matrà, Maxime Marmier +9
We present new observations of the Kuiper belt analogues around HD 38858 and HD 20794, hosts of super-Earth mass planets within 1 au. As two of the four nearby G-type stars (with H…
Near-IR imaging of T Cha: evidence for scattered-light disk structures at solar system scales
A. Cheetham, N. Huelamo, S. Lacour +2
T Chamaeleontis is a young star surrounded by a transitional disk, and a plausible candidate for ongoing planet formation. Recently, a substellar companion candidate was reported w…
Constraints on the gas content of the Fomalhaut debris belt. Can gas-dust interactions explain the belt's morphology?
G. Cataldi, A. Brandeker, G. Olofsson +5
Context: The 440 Myr old main-sequence A-star Fomalhaut is surrounded by an eccentric debris belt with sharp edges. This sort of a morphology is usually attributed to planetary per…