Tianwen-1 provided the first out-of-plane imaging of 3I/ATLAS, indicating large dust grains (hundreds of micrometers) ejected at 3-10 m/s with steady-state outflow and a mass loss rate of about 1000 kg/s.
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4 Pith papers cite this work. Polarity classification is still indexing.
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astro-ph.EP 4representative citing papers
An analytic sky-motion formula applied to synthetic interstellar object populations indicates that high velocities, particularly for dim objects, may cause many to go undetected, implying a larger galactic population than currently observed.
The paper estimates 3I/ATLAS lost 1.05-6.56 meters of surface material (0.10-1.13% of its mass, or 10^9-10^10 kg) during its solar system passage based on observed production rates.
Rubin Observatory delivers the earliest large-telescope astrometry and grizy photometry of interstellar comet 3I/ATLAS, including colors and a dust-to-nucleus cross-section ratio lower limit.
citing papers explorer
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NSF-DOE Vera C. Rubin Observatory Observations of Interstellar Comet 3I/ATLAS (C/2025 N1)
Rubin Observatory delivers the earliest large-telescope astrometry and grizy photometry of interstellar comet 3I/ATLAS, including colors and a dust-to-nucleus cross-section ratio lower limit.