LBT SHARK-VIS Observes a Major Resurfacing Event on Io
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| author | Conrad, Al Pedichini, Fernando Causi, Gianluca Li Antoniucci, Simone de Pater, Imke Davies, Ashley Gerard de Kleer, Katherine Piazzesi, Roberto Testa, Vincenzo Vaccari, Piero Vicinanza, Martina Power, Jennifer Ertel, Steve Shields, Joseph C. Ragland, Sam Giorgi, Fabrizio Jefferies, Stuart M. Hope, Douglas Perry, Jason Williams, David A. Nelson, David M. |
| author_facet | Conrad, Al Pedichini, Fernando Causi, Gianluca Li Antoniucci, Simone de Pater, Imke Davies, Ashley Gerard de Kleer, Katherine Piazzesi, Roberto Testa, Vincenzo Vaccari, Piero Vicinanza, Martina Power, Jennifer Ertel, Steve Shields, Joseph C. Ragland, Sam Giorgi, Fabrizio Jefferies, Stuart M. Hope, Douglas Perry, Jason Williams, David A. Nelson, David M. |
| contents | Since volcanic activity was first discovered on Io from Voyager images in 1979, changes on Io's surface have been monitored from both spacecraft and ground-based telescopes. Here, we present the highest spatial resolution images of Io ever obtained from a ground-based telescope. These images, acquired by the SHARK-VIS instrument on the Large Binocular Telescope, show evidence of a major resurfacing event on Io's trailing hemisphere. When compared to the most recent spacecraft images, the SHARK-VIS images show that a plume deposit from a powerful eruption at Pillan Patera has covered part of the long-lived Pele plume deposit. Although this type of resurfacing event may be common on Io, few have been detected due to the rarity of spacecraft visits and the previously low spatial resolution available from Earth-based telescopes. The SHARK-VIS instrument ushers in a new era of high resolution imaging of Io's surface using adaptive optics at visible wavelengths. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_19604 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | LBT SHARK-VIS Observes a Major Resurfacing Event on Io Conrad, Al Pedichini, Fernando Causi, Gianluca Li Antoniucci, Simone de Pater, Imke Davies, Ashley Gerard de Kleer, Katherine Piazzesi, Roberto Testa, Vincenzo Vaccari, Piero Vicinanza, Martina Power, Jennifer Ertel, Steve Shields, Joseph C. Ragland, Sam Giorgi, Fabrizio Jefferies, Stuart M. Hope, Douglas Perry, Jason Williams, David A. Nelson, David M. Earth and Planetary Astrophysics Since volcanic activity was first discovered on Io from Voyager images in 1979, changes on Io's surface have been monitored from both spacecraft and ground-based telescopes. Here, we present the highest spatial resolution images of Io ever obtained from a ground-based telescope. These images, acquired by the SHARK-VIS instrument on the Large Binocular Telescope, show evidence of a major resurfacing event on Io's trailing hemisphere. When compared to the most recent spacecraft images, the SHARK-VIS images show that a plume deposit from a powerful eruption at Pillan Patera has covered part of the long-lived Pele plume deposit. Although this type of resurfacing event may be common on Io, few have been detected due to the rarity of spacecraft visits and the previously low spatial resolution available from Earth-based telescopes. The SHARK-VIS instrument ushers in a new era of high resolution imaging of Io's surface using adaptive optics at visible wavelengths. |
| title | LBT SHARK-VIS Observes a Major Resurfacing Event on Io |
| topic | Earth and Planetary Astrophysics |
| url | https://arxiv.org/abs/2405.19604 |