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Precovery Observations of 3I/ATLAS from TESS Suggests Possible Distant Activity
Adina D. Feinstein, John W. Noonan, Darryl Z. Seligman, 2025. arXiv.
TESS observed 3I nearly continuously 2025-05-07 to 06-02; H_V = 13.72+/-0.35 and 12.52+/-0.35; with HST nucleus limit, implies activity out to ~6 au.
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3I/ATLAS
MYSThe mystery article
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Feinstein, A. D., Noonan, J. W., & Seligman, D. Z. (2025). Precovery Observations of 3I/ATLAS from TESS Suggests Possible Distant Activity. arXiv. https://arxiv.org/abs/2507.21967
@article{feinstein2025precovery,
author = {Feinstein, Adina D. and Noonan, John W. and Seligman, Darryl Z.},
title = {Precovery Observations of 3I/ATLAS from TESS Suggests Possible Distant Activity},
journal = {arXiv},
year = {2025},
url = {https://arxiv.org/abs/2507.21967}
}TY - GEN TI - Precovery Observations of 3I/ATLAS from TESS Suggests Possible Distant Activity AU - Feinstein, Adina D. AU - Noonan, John W. AU - Seligman, Darryl Z. PY - 2025 JO - arXiv UR - https://arxiv.org/abs/2507.21967 ER -
Feinstein, Adina D. et al.. “Precovery Observations of 3I/ATLAS from TESS Suggests Possible Distant Activity.” arXiv (2025).