activity
20162026
most citedUnveiling the ice and gas nature of active centaur (2060) Chiron using the James Webb Space Telescope

20 citations · 72 across the 25 of their papers we have counts for

collaborators
Showing astro-ph.EPShow all

14 papers · 1 filter

astro-ph.EP2026

JWST Observations of Asteroid 2024 YR4 Rule Out a 2032 Lunar Impact and Demonstrate a New Regime for Planetary Defense Follow-up

Julien de Wit, Andrew S. Rivkin, Marco Micheli +12

At the end of its discovery apparition, the 60 m near-Earth object 2024 YR4 was associated with a non-zero probability of lunar impact during its 2032 December 22 close appro…

astro-ph.EP2025

The Evolution in Coma Molecular Composition of Comet C/2017 K2 (PanSTARRS) Across the HO Sublimation Zone: ALMA Imaging of an HO-Dominated Coma

Nathan X. Roth, Stefanie N. Milam, Martin A. Cordiner +8

We report a survey of molecular emission from cometary volatiles using the Atacama Large Millimeter/Submillimeter Array (ALMA) toward comet C/2017 K2 (PanSTARRS) carried out on UT…

astro-ph.EP2025★ 1 cited

JWST occultation reveals unforeseen complexity in Chariklo's ring system

Pablo Santos-Sanz, Altair R. Gomes-Júnior, Bruno E. Morgado +25

Ring systems have been discovered around several small bodies in the outer Solar System through stellar occultations. While such measurements provide key information about ring geo…

astro-ph.EP2025★ 13 cited

JCMT detection of HCN emission from 3I/ATLAS at 2.1 AU

Iain M. Coulson, Yi-Jehng Kuan, Steven B. Charnley +8

We report the detection of HCN () rotational emission from comet 3I/ATLAS at a heliocentric distance of 2.13 AU with the James Clerk Maxwell Telescope (JCMT). Observations w…

astro-ph.EP2025★ 1 cited

JWST detection of a carbon dioxide dominated gas coma surrounding interstellar object 3I/ATLAS

Martin A. Cordiner, Nathaniel X. Roth, Michael S. P. Kelley +10

3I/ATLAS is the third confirmed interstellar object to visit our Solar System, and only the second to display a clear coma. Infrared spectroscopy with the James Webb Space Telescop…

astro-ph.EP2025★ 1 cited

JWST/NIRSpec Observations of Salacia-Actaea and Máni: Exploring Population-level Trends among Water-ice-rich Kuiper Belt Objects

Ian Wong, Bryan J. Holler, Silvia Protopapa +9

We present observations of the midsized Kuiper Belt objects (KBOs) SalaciaActaea and Máni, obtained with the Near-Infrared Spectrograph on JWST. The satellite Actaea was fully b…