Ejecta Evolution Following a Planned Impact into an Asteroid: The First Five Weeks
The impact of the DART spacecraft into Dimorphos, moon of the asteroid Didymos, changed Dimorphos' orbit substantially, largely from the ejection of material. We present results from twelve Earth-based facilities involved in a world-wide campaign to monitor the brightness and morphology of the...
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| creator | Kareta, Theodore Thomas, Cristina Jian-Yang, Li Knight, Matthew M Moskovitz, Nicholas Rozek, Agata Bannister, Michele T Simone Ieva Snodgrass, Colin Pravec, Petr Ryan, Eileen V Ryan, William H Fahnestock, Eugene G Rivkin, Andrew S Chabot, Nancy Fitzsimmons, Alan Osip, David Lister, Tim Sarid, Gal Hirabayashi, Masatoshi Farnham, Tony Tancredi, Gonzalo Michel, Patrick Wainscoat, Richard Weryk, Rob Burrati, Bonnie Pittichova, Jana Ridden-Harper, Ryan Tan, Nicole J Tristram, Paul Brown, Tyler Bonavita, Mariangela Burgdorf, Martin Khalouei, Elahe Longa, Penelope Rabus, Markus Sajadian, Sedighe Uffe Graae Jorgensen Martin, Dominik Jean-Baptiste Kikwaya Elena Mazzotta Epifani Dotto, Elisabetta Prasanna Deshapriya, J D Hasselmann, Pedro H Dall'Ora, Massimo Lyu Abe Guillot, Tristan Mekarnia, Djamel Agabi, Abdelkrim Bendjoya, Philippe Suarez, Olga Triaud, Amaury Gasparetto, Thomas Gunther, Maximillian N Kueppers, Michael Merin, Bruno Chatelain, Joseph Gomez, Edward Usher, Helen Stoddard-Jones, Cai Bartnik, Matthew Bellaver, Michael Brenna Chetan Dugan, Emma Fallon, Tori Fedewa, Jeremy Caitlyn Gerhard Jacobson, Seth A Painter, Shane David-Michael, Peterson Rodriguez, Joseph E Smith, Cody Sokolovsky, Kirill V Sullivan, Hannah Townley, Kate Watson, Sarah Webb, Levi Trigo-Rodrıguez, Josep M Llenas, Josep M Perez-Garcıa, Ignacio Castro-Tirado, A J Jean-Baptiste, Vincent Migliorini, Alessandra Lazzarin, Monica Fiorangela La Forgia Ferrari, Fabio Polakis, Tom Skiff, Brian |
| description | The impact of the DART spacecraft into Dimorphos, moon of the asteroid Didymos, changed Dimorphos' orbit substantially, largely from the ejection of material. We present results from twelve Earth-based facilities involved in a world-wide campaign to monitor the brightness and morphology of the ejecta in the first 35 days after impact. After an initial brightening of ~1.4 magnitudes, we find consistent dimming rates of 0.11-0.12 magnitudes/day in the first week, and 0.08-0.09 magnitudes/day over the entire study period. The system returned to its pre-impact brightness 24.3-25.3 days after impact through the primary ejecta tail remained. The dimming paused briefly eight days after impact, near in time to the appearance of the second tail. This was likely due to a secondary release of material after re-impact of a boulder released in the initial impact, through movement of the primary ejecta through the aperture likely played a role. |
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We present results from twelve Earth-based facilities involved in a world-wide campaign to monitor the brightness and morphology of the ejecta in the first 35 days after impact. After an initial brightening of ~1.4 magnitudes, we find consistent dimming rates of 0.11-0.12 magnitudes/day in the first week, and 0.08-0.09 magnitudes/day over the entire study period. The system returned to its pre-impact brightness 24.3-25.3 days after impact through the primary ejecta tail remained. The dimming paused briefly eight days after impact, near in time to the appearance of the second tail. 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Cody</creatorcontrib><creatorcontrib>Sokolovsky, Kirill V</creatorcontrib><creatorcontrib>Sullivan, Hannah</creatorcontrib><creatorcontrib>Townley, Kate</creatorcontrib><creatorcontrib>Watson, Sarah</creatorcontrib><creatorcontrib>Webb, Levi</creatorcontrib><creatorcontrib>Trigo-Rodrıguez, Josep M</creatorcontrib><creatorcontrib>Llenas, Josep M</creatorcontrib><creatorcontrib>Perez-Garcıa, Ignacio</creatorcontrib><creatorcontrib>Castro-Tirado, A J</creatorcontrib><creatorcontrib>Jean-Baptiste, Vincent</creatorcontrib><creatorcontrib>Migliorini, Alessandra</creatorcontrib><creatorcontrib>Lazzarin, Monica</creatorcontrib><creatorcontrib>Fiorangela La Forgia</creatorcontrib><creatorcontrib>Ferrari, Fabio</creatorcontrib><creatorcontrib>Polakis, Tom</creatorcontrib><creatorcontrib>Skiff, Brian</creatorcontrib><title>Ejecta Evolution Following a Planned Impact into an Asteroid: The First Five Weeks</title><title>arXiv.org</title><description>The impact of the DART spacecraft into Dimorphos, moon of the asteroid Didymos, changed Dimorphos' orbit substantially, largely from the ejection of material. We present results from twelve Earth-based facilities involved in a world-wide campaign to monitor the brightness and morphology of the ejecta in the first 35 days after impact. After an initial brightening of ~1.4 magnitudes, we find consistent dimming rates of 0.11-0.12 magnitudes/day in the first week, and 0.08-0.09 magnitudes/day over the entire study period. The system returned to its pre-impact brightness 24.3-25.3 days after impact through the primary ejecta tail remained. The dimming paused briefly eight days after impact, near in time to the appearance of the second tail. 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arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20231018</creationdate><title>Ejecta Evolution Following a Planned Impact into an Asteroid: The First Five Weeks</title><author>Kareta, Theodore ; Thomas, Cristina ; Jian-Yang, Li ; Knight, Matthew M ; Moskovitz, Nicholas ; Rozek, Agata ; Bannister, Michele T ; Simone Ieva ; Snodgrass, Colin ; Pravec, Petr ; Ryan, Eileen V ; Ryan, William H ; Fahnestock, Eugene G ; Rivkin, Andrew S ; Chabot, Nancy ; Fitzsimmons, Alan ; Osip, David ; Lister, Tim ; Sarid, Gal ; Hirabayashi, Masatoshi ; Farnham, Tony ; Tancredi, Gonzalo ; Michel, Patrick ; Wainscoat, Richard ; Weryk, Rob ; Burrati, Bonnie ; Pittichova, Jana ; Ridden-Harper, Ryan ; Tan, Nicole J ; Tristram, Paul ; Brown, Tyler ; Bonavita, Mariangela ; Burgdorf, Martin ; Khalouei, Elahe ; Longa, Penelope ; Rabus, Markus ; Sajadian, Sedighe ; Uffe Graae Jorgensen ; Martin, Dominik ; Jean-Baptiste Kikwaya ; Elena Mazzotta Epifani ; Dotto, Elisabetta ; Prasanna Deshapriya, J D ; Hasselmann, Pedro H ; Dall'Ora, Massimo ; Lyu Abe ; Guillot, Tristan ; Mekarnia, Djamel ; Agabi, Abdelkrim ; Bendjoya, Philippe ; Suarez, Olga ; Triaud, Amaury ; Gasparetto, Thomas ; Gunther, Maximillian N ; Kueppers, Michael ; Merin, Bruno ; Chatelain, Joseph ; Gomez, Edward ; Usher, Helen ; Stoddard-Jones, Cai ; Bartnik, Matthew ; Bellaver, Michael ; Brenna Chetan ; Dugan, Emma ; Fallon, Tori ; Fedewa, Jeremy ; Caitlyn Gerhard ; Jacobson, Seth A ; Painter, Shane ; David-Michael, Peterson ; Rodriguez, Joseph E ; Smith, Cody ; Sokolovsky, Kirill V ; Sullivan, Hannah ; Townley, Kate ; Watson, Sarah ; Webb, Levi ; Trigo-Rodrıguez, Josep 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Brian</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central 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Elahe</au><au>Longa, Penelope</au><au>Rabus, Markus</au><au>Sajadian, Sedighe</au><au>Uffe Graae Jorgensen</au><au>Martin, Dominik</au><au>Jean-Baptiste Kikwaya</au><au>Elena Mazzotta Epifani</au><au>Dotto, Elisabetta</au><au>Prasanna Deshapriya, J D</au><au>Hasselmann, Pedro H</au><au>Dall'Ora, Massimo</au><au>Lyu Abe</au><au>Guillot, Tristan</au><au>Mekarnia, Djamel</au><au>Agabi, Abdelkrim</au><au>Bendjoya, Philippe</au><au>Suarez, Olga</au><au>Triaud, Amaury</au><au>Gasparetto, Thomas</au><au>Gunther, Maximillian N</au><au>Kueppers, Michael</au><au>Merin, Bruno</au><au>Chatelain, Joseph</au><au>Gomez, Edward</au><au>Usher, Helen</au><au>Stoddard-Jones, Cai</au><au>Bartnik, Matthew</au><au>Bellaver, Michael</au><au>Brenna Chetan</au><au>Dugan, Emma</au><au>Fallon, Tori</au><au>Fedewa, Jeremy</au><au>Caitlyn Gerhard</au><au>Jacobson, Seth A</au><au>Painter, Shane</au><au>David-Michael, Peterson</au><au>Rodriguez, Joseph E</au><au>Smith, Cody</au><au>Sokolovsky, Kirill V</au><au>Sullivan, Hannah</au><au>Townley, Kate</au><au>Watson, Sarah</au><au>Webb, Levi</au><au>Trigo-Rodrıguez, Josep M</au><au>Llenas, Josep M</au><au>Perez-Garcıa, Ignacio</au><au>Castro-Tirado, A J</au><au>Jean-Baptiste, Vincent</au><au>Migliorini, Alessandra</au><au>Lazzarin, Monica</au><au>Fiorangela La Forgia</au><au>Ferrari, Fabio</au><au>Polakis, Tom</au><au>Skiff, Brian</au><format>book</format><genre>document</genre><ristype>GEN</ristype><atitle>Ejecta Evolution Following a Planned Impact into an Asteroid: The First Five Weeks</atitle><jtitle>arXiv.org</jtitle><date>2023-10-18</date><risdate>2023</risdate><eissn>2331-8422</eissn><abstract>The impact of the DART spacecraft into Dimorphos, moon of the asteroid Didymos, changed Dimorphos' orbit substantially, largely from the ejection of material. We present results from twelve Earth-based facilities involved in a world-wide campaign to monitor the brightness and morphology of the ejecta in the first 35 days after impact. After an initial brightening of ~1.4 magnitudes, we find consistent dimming rates of 0.11-0.12 magnitudes/day in the first week, and 0.08-0.09 magnitudes/day over the entire study period. The system returned to its pre-impact brightness 24.3-25.3 days after impact through the primary ejecta tail remained. The dimming paused briefly eight days after impact, near in time to the appearance of the second tail. This was likely due to a secondary release of material after re-impact of a boulder released in the initial impact, through movement of the primary ejecta through the aperture likely played a role.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 2331-8422 |
| ispartof | arXiv.org, 2023-10 |
| issn | 2331-8422 |
| language | eng |
| recordid | cdi_proquest_journals_2878918501 |
| source | Free E- Journals |
| subjects | Asteroids Brightening Brightness Dimming Ejecta |
| title | Ejecta Evolution Following a Planned Impact into an Asteroid: The First Five Weeks |
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