ASIACO: Asiago Spectroscopy and Imaging Atlas of Comets

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ASIACO: Asiago Spectroscopy and Imaging Atlas of Comets

[LEFT] 2018-07-17. Image taken with the Asiago Schmidt telescope with B, g, r filters. Comet Giacobini-Zinner moves fast in a very starrich field in the constellation Cygnus. The dust tail, which is reddened by the reflection of sunlight, is directed South-West, whereas the blue-green coma develops in a sphere around the nucleus. [RIGHT] 2018-08-08. A mathematical filter was applied to the original image, to highlight the morphology of the inner coma dominated by jet structures directed towards the Sun. These derive from small active areas placed on the nucleus. The tail develops in an antisolar direction. Image taken with the Asiago Schmidt telescope. — astro-ph.EP

The ASIACO project is an atlas of cometary imaging and spectroscopy obtained from the Asiago Astrophysical Observatory between 2012 and 2024, still ongoing.

Up to now, we monitored 41 comets, acquiring broad-band images using the INAF-OAPd 1.82m Copernico and the 0.67/0.92m Schmidt telescopes, as well as low-to-medium resolution spectra with the DFA-UniPd 1.22m Galileo Telescope.

Our dataset offers significant scientific potential, enabling studies on the true extent of cometary tails, orientation of nuclei spin axes, retrieval of compositional data, and determination of production rates for key molecular and atomic species.

The Atlas will become publicly available for scientific research, and the project remains active, continuously adding monitored comets.

P. Ochner, F. Manzini, V. Oldani, A. Farina, A. Reguitti, V. Andreoli, A. C. Mura, I. Albanese, L. Fiaccadori, G. Mocellin, C. Sigismondi

Comments: Atlas of cometary spectra collected with Asiago telescopes. 161 pages and 280 figures
Subjects: Earth and Planetary Astrophysics (astro-ph.EP); Instrumentation and Methods for Astrophysics (astro-ph.IM)
Cite as: arXiv:2505.02988 [astro-ph.EP] (or arXiv:2505.02988v1 [astro-ph.EP] for this version)
https://doi.org/10.48550/arXiv.2505.02988
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Submission history
From: Alessandra Mura
[v1] Wed, 30 Apr 2025 15:11:56 UTC (250,169 KB)
https://arxiv.org/abs/2505.02988
Astrobiology, Astrochemistry,

Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻

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