About: Polarimeter to Unify the Corona and Heliosphere

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Polarimeter to Unify the Corona and Heliosphere (PUNCH) is a future mission by NASA to study the unexplored region from the middle of the solar corona out to 1 AU from the Sun. PUNCH will consist of a constellation of four microsatellites that through continuous 3D deep-field imaging, will observe the corona and heliosphere as elements of a single, connected system. The four microsatellites were initially scheduled to be launched in October 2023, but they have since been moved to an April 2025 launch in rideshare with SPHEREx.

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  • Polarimeter to Unify the Corona and Heliosphere (PUNCH) is a future mission by NASA to study the unexplored region from the middle of the solar corona out to 1 AU from the Sun. PUNCH will consist of a constellation of four microsatellites that through continuous 3D deep-field imaging, will observe the corona and heliosphere as elements of a single, connected system. The four microsatellites were initially scheduled to be launched in October 2023, but they have since been moved to an April 2025 launch in rideshare with SPHEREx. On 20 June 2019, NASA announced that PUNCH and TRACERS were the winning candidates to become the next missions in the agency's Small Explorer program (SMEX). PUNCH is led by Craig Edward DeForest at the Southwest Research Institute (SwRI) in Boulder, Colorado. Including launch costs, PUNCH is being funded for no more than US$165 million. (en)
  • Polarimeter to Unify the Corona and Heliosphere, plus communément désignée par son acronyme PUNCH, est une mission spatiale du programme Explorer de l'agence spatiale américaine, la NASA, dont l'objectif est d'étudier les interactions entre, d'une part les événements se produisant dans la couronne solaire et produisant le vent solaire, et d'autre part l'héliosphère. Pour remplir cet objectif, la mission utilisera quatre micro-satellites d'une cinquantaine de kilogrammes placés sur une orbite héliosynchrone. Un des quatre satellites (NFI), équipé d'une caméra avec coronographe, réalise des images de la couronne solaire (5,4-32 rayons solaires) tandis que les trois autres (WFI) équipés d'une caméra grand angle photographient la région de l'héliosphère s'étendant entre 18 et 180 rayons solaires (chaque caméra photographie un tiers de cette région). Ces instruments doivent observer la lumière visible polarisée produite par la diffusion Thomson. Le lancement de la mission est prévu en 2023. (fr)
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  • Explorer (en)
  • SMEX (en)
  • PUNCH (en)
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  • Narrow Field Imager - 1 satellite (en)
  • Wide Field Imagers - 3 satellites (en)
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  • April 2025 (en)
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  • 40.0
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  • Polarimeter to Unify the Corona and Heliosphere (en)
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  • Explorer (en)
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  • PUNCH (en)
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  • Explorer program (en)
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  • PUNCH (en)
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  • Custom bus, with heritage from CYGNSS (en)
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  • Orbiters (en)
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  • Polarimeter to Unify the Corona and Heliosphere (PUNCH) is a future mission by NASA to study the unexplored region from the middle of the solar corona out to 1 AU from the Sun. PUNCH will consist of a constellation of four microsatellites that through continuous 3D deep-field imaging, will observe the corona and heliosphere as elements of a single, connected system. The four microsatellites were initially scheduled to be launched in October 2023, but they have since been moved to an April 2025 launch in rideshare with SPHEREx. (en)
  • Polarimeter to Unify the Corona and Heliosphere, plus communément désignée par son acronyme PUNCH, est une mission spatiale du programme Explorer de l'agence spatiale américaine, la NASA, dont l'objectif est d'étudier les interactions entre, d'une part les événements se produisant dans la couronne solaire et produisant le vent solaire, et d'autre part l'héliosphère. Pour remplir cet objectif, la mission utilisera quatre micro-satellites d'une cinquantaine de kilogrammes placés sur une orbite héliosynchrone. Un des quatre satellites (NFI), équipé d'une caméra avec coronographe, réalise des images de la couronne solaire (5,4-32 rayons solaires) tandis que les trois autres (WFI) équipés d'une caméra grand angle photographient la région de l'héliosphère s'étendant entre 18 et 180 rayons solair (fr)
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  • Polarimeter to Unify the Corona and Heliosphere (fr)
  • Polarimeter to Unify the Corona and Heliosphere (en)
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  • Polarimeter to Unify the Corona and Heliosphere (en)
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