Observations and Quantitative Compositional Analysis of Ceres, Pallas, and Hygiea Using JWST/NIRSpec

Observations and Quantitative Compositional Analysis of Ceres, Pallas, and Hygiea Using JWST/NIRSpec

We present JWST Near Infrared Spectrograph (NIRSpec) measurements of the three largest low-albedo main-belt asteroids: (1) Ceres, (2) Pallas, and (10) Hygiea. Their reflectance spectra all have very similar absorptions centered near 2.72 μ m attributed to Mg–OH in minerals. Within this band, Pallas...

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Bibliographic Details
Main Authors: Andrew S. Rivkin, Cristina A. Thomas, Ian Wong, Bryan Holler, Helena C. Bates, Ellen S. Howell, Bethany L. Ehlmann, Stefanie N. Milam, Heidi B. Hammel
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Planetary Science Journal
Subjects:
Asteroids
Ceres
Pallas
Main belt asteroids
Infrared spectroscopy
Online Access:https://doi.org/10.3847/PSJ/ad944c
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