Tracking the Activity of the Interstellar Object 3I/ATLAS through its Perihelion
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| Format: | Preprint |
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2025
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| author | Eubanks, T. Marshall DeForest, Craig E. Walsh, Kevin J. Porter, Simon Lehmann, Thomas Bills, Bruce G. Hibberd, Adam Blase, W. Paul Hein, Andreas M. Kennedy III, Robert G. Coffinet, Adrien Kervella, Pierre Ballester, Carlos Gomez de Olea |
| author_facet | Eubanks, T. Marshall DeForest, Craig E. Walsh, Kevin J. Porter, Simon Lehmann, Thomas Bills, Bruce G. Hibberd, Adam Blase, W. Paul Hein, Andreas M. Kennedy III, Robert G. Coffinet, Adrien Kervella, Pierre Ballester, Carlos Gomez de Olea |
| contents | In order to facilitate interplanetary spacecraft observationsof 3I/ATLAS, we have monitored and predicted the optical properties of its coma using both ground and space-based observations. Here, we describe how the data from space-based solar coronagraphs and the PUNCH mission enabled tracking of 3I/ATLAS's optical magnitude throughout its entire perihelion passage, including the period between October 8 and 30, 2025, when it was not visible from Earth. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_20810 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Tracking the Activity of the Interstellar Object 3I/ATLAS through its Perihelion Eubanks, T. Marshall DeForest, Craig E. Walsh, Kevin J. Porter, Simon Lehmann, Thomas Bills, Bruce G. Hibberd, Adam Blase, W. Paul Hein, Andreas M. Kennedy III, Robert G. Coffinet, Adrien Kervella, Pierre Ballester, Carlos Gomez de Olea Earth and Planetary Astrophysics Astrophysics of Galaxies In order to facilitate interplanetary spacecraft observationsof 3I/ATLAS, we have monitored and predicted the optical properties of its coma using both ground and space-based observations. Here, we describe how the data from space-based solar coronagraphs and the PUNCH mission enabled tracking of 3I/ATLAS's optical magnitude throughout its entire perihelion passage, including the period between October 8 and 30, 2025, when it was not visible from Earth. |
| title | Tracking the Activity of the Interstellar Object 3I/ATLAS through its Perihelion |
| topic | Earth and Planetary Astrophysics Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2511.20810 |