activity
20052026
most citedOrbital Period Change of Dimorphos Due to the DART Kinetic Impact

164 citations · 347 across the 24 of their papers we have counts for

collaborators

24 papers

astro-ph.EP2026

Ion abundances in the plasma tail of 3I/ATLAS show that it is N2-rich

Lea Ferellec, Cyrielle Opitom, Colin Snodgrass

Interstellar objects allow us to compare the early planetary formation process in the Solar System and around other stars. The second and third interstellar objects, 2I/Borisov and…

astro-ph.EP2026

Characterization of the Volatile Properties of 133P/Elst-Pizarro and Other Main-Belt Comets with JWST and Ground-Based Observations

Henry H. Hsieh, John W. Noonan, Michael S. P. Kelley +10

We report results from an analysis of the volatile composition and evolution of main-belt comet (MBC) 133P/Elst-Pizarro using JWST NIRSpec and NIRCam observations and ground-based…

astro-ph.EP2026

Emerging Diversity Among the Main-Belt Comets: Insights from JWST and Ground-Based Observations of 457P/Lemmon-PANSTARRS

John W. Noonan, Henry H. Hsieh, Michael S. P. Kelley +10

We present JWST NIRSpec and NIRCam observations of 457P/Lemmon-PANSTARRS, a main-belt comet that displayed activity around its 2020 perihelion and that was observed to regain activ…

astro-ph.EP2026

Rotation Period of C/2006 P1 (McNaught) Through Morphological Analysis with Narrowband Imaging

Vincent Okoth, Cyrielle Opitom, Colin Snodgrass +2

This study presents findings from narrowband imaging of comet C/2006 P1 (McNaught) using the 3.6-metre New Technology Telescope (NTT) at La Silla, Chile. Observations commenced on…

astro-ph.IM2025

Transformational astrophysics and exoplanet science with Habitable Worlds Observatory's High Resolution Imager

Vincent Van Eylen, Richard Massey, Saeeda Awan +167

Habitable Worlds Observatory (HWO) will be NASA's flagship space telescope of the 2040s, designed to search for life on other planets and to transform broad areas of astrophysics.…

astro-ph.IM2025

Intercepting Interstellar Objects

Colin Snodgrass, Marina Galand, Arnaud Beth +3

We describe how the ESA Comet Interceptor mission, which is due to launch in 2028/29 to a yet-to-be-discovered target, can provide a conceptual basis for a future mission to visit…