Gravitational disturbance on asteroidal ring systems by close encounter with a small object

Ikeya, Ren; Hirata, Naoyuki

doi:10.1016/j.icarus.2024.116153

Icarus

2024

DOI: 10.1016/j.icarus.2024.116153

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Gravitational disturbance on asteroidal ring systems by close encounter with a small object

Ren Ikeya,

Naoyuki Hirata

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2024

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Radiative Transfer Modeling of Haumea’s Dust Ring

Kalup,

Molnár,

Kiss

2024

PASP

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Among the growing number of small body rings in the solar system, the ring of Haumea has a special status as it is likely suitable for direct imaging in the visible and submillimeter wavelengths. In this paper, we highlight its sole detectability among Centaur/Trans-Neptunian Object rings using both the Atacama Large Millimeter/submillimeter Array and the James Webb Space Telescope to provide direct constraints on the ring composition for the first time. To overcome the limitations of the currently used simple ring models, we introduce radiative transfer modeling for small body ring systems. Here we perform a thorough analysis of the Haumea ring considering different materials and grain sizes, assuming that the ring consists of small particles with sizes below 1 mm. We present spectral energy distributions of each model for future comparison with multiwavelength measurements, providing a diagnostic tool to determine the dominant grain size and characteristic material of the ring, which are essential inputs for ring formation and evolution theories. Our results also show that for some sub-micron carbon-like or silicate grains, their mid-infrared excess can be detected even if the ring is not resolved, providing a tracer for small grains around the object.

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Radiative Transfer Modeling of Haumea’s Dust Ring

Kalup,

Molnár,

Kiss

2024

PASP

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Gravitational disturbance on asteroidal ring systems by close encounter with a small object

Cited by 1 publication

References 71 publications

Radiative Transfer Modeling of Haumea’s Dust Ring

Radiative Transfer Modeling of Haumea’s Dust Ring

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