3 papers
astro-ph.EP2025
Ionic emissions and activity evolution in comet C/2020 F3 (NEOWISE): Insights from long-slit spectroscopy and photometry
K. Aravind, E. Jehin, S. Hmmidouch +7
Comet C/2020 F3 (NEOWISE) was the brightest comet in the northern hemisphere since C/1995 O1 (Hale-Bopp), providing a unique opportunity to study its composition and spatial distri…
astro-ph.EP2025
A portrait throughout perihelion of the NH-rich interstellar comet 2I/Borisov
Sophie E. Deam, Michele T. Bannister, Cyrielle Opitom +12
The interstellar comet 2I/Borisov is the first interstellar object where compositional characterisation was possible throughout its entire perihelion passage. We report all 16 epoc…
astro-ph.EP2025
A cometary Fluorescence Model for the Vibrational Band of Cyanogen
P. Hardy, P. Rousselot, C. Richard +5
Cyanogen () is suspected for a long time to be present in comets and to contribute to the creation of the CN radical. So far no observations with ground-based faci…