3 papers
astro-ph.EP2026
Nucleus and Postperihelion Activity of Interstellar Object 3I/ATLAS Observed by Hubble Space Telescope
Man-To Hui, David Jewitt, Max J. Mutchler +2
We report the detection of the nucleus of interstellar object 3I/ATLAS, using a nucleus extraction technique on Hubble Space Telescope (HST) observations taken between December 202…
astro-ph.EP2024
Ejection and Dynamics of Aggregates in the Coma of Comet 67P/Churyumov-Gerasimenko
Pablo Lemos, Jessica Agarwal, Raphael Marschall +1
The process of cometary activity continues to pose a challenging question in cometary science. The activity modeling of comet 67P/Churyumov-Gerasimenko, based on data from the Rose…
astro-ph.EP2024
Dynamics and potential origins of decimeter-sized particles around comet 67P/Churyumov-Gerasimenko
Marius Pfeifer, Jessica Agarwal, Raphael Marschall +2
Methods. We algorithmically tracked thousands of individual particles through four OSIRIS/NAC image sequences of 67P's near-nucleus coma. We then traced concentrated particle group…