Postperihelion Coma Composition of the Interstellar Comet 3I/ATLAS from Optical Spectroscopy
We present multiepoch optical spectroscopy of the interstellar comet 3I/ATLAS obtained between 2025 December and 2026 January (heliocentric distances of 1.8–3.3 au), yielding postperihelion production rates and mixing ratios for CN, C _3 , C _2 , CH, and gaseous metals (Fe i and Ni i ). Our results...
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| Autors principals: | , , , , , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
IOP Publishing
2026-01-01
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| Col·lecció: | The Astrophysical Journal Letters |
| Matèries: | |
| Accés en línia: | https://doi.org/10.3847/2041-8213/ae73fe |
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