NASA Innovative Advanced Concepts Phase I Final Report -- A Lunar Long-Baseline UV/Optical Imaging Interferometer: Artemis-enabled Stellar Imager (AeSI)
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2025
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| author | Carpenter, Kenneth G. Boyajian, Tabetha Buzasi, Derek Clark, Jim Creech-Eakman, Michelle Dean, Bruce Elliott, Ashley Foster, Julianne Gong, Qian Karovska, Margarita Kim, David Hulberg, Jon Leisawitz, David Maher, Mike Morse, Jon Mozurkewich, Dave Peacock, Sarah Petro, Noah Rau, Gioia Scowen, Paul Seals, Len Smith, Walter Smuda, Max Sitarski, Breann Taylor, Buddy van Belle, Gerard Wilkinson, Erik |
| author_facet | Carpenter, Kenneth G. Boyajian, Tabetha Buzasi, Derek Clark, Jim Creech-Eakman, Michelle Dean, Bruce Elliott, Ashley Foster, Julianne Gong, Qian Karovska, Margarita Kim, David Hulberg, Jon Leisawitz, David Maher, Mike Morse, Jon Mozurkewich, Dave Peacock, Sarah Petro, Noah Rau, Gioia Scowen, Paul Seals, Len Smith, Walter Smuda, Max Sitarski, Breann Taylor, Buddy van Belle, Gerard Wilkinson, Erik |
| contents | This report presents the findings of a NIAC Phase I feasibility study for the Artemis-enabled Stellar Imager (AeSI), a proposed high-resolution, UV/Optical interferometer designed for deployment on the lunar surface. Its primary science goal is to image the surfaces and interiors of stars with unprecedented detail, revealing new details about their magnetic processes and dynamic evolution and enabling the creation of a truly predictive solar/stellar dynamo model. This capability will transform our understanding of stellar physics and has broad applicability across astrophysics, from resolving the cores of Active Galactic Nuclei (AGN) to studying supernovae, planetary nebulae, and the late stages of stellar evolution. By leveraging the stable vacuum environment of the Moon and the infrastructure being established for the Artemis Program, AeSI presents a compelling case for a lunar-based interferometer. In this study, the AeSI Team, working with the NASA Goddard Space Flight Center's Integrated Design Center (IDC), has firmly established the feasibility of building and operating a reconfigurable, dispersed aperture telescope (i.e., an interferometer) on the lunar surface. The collaboration produced a credible Baseline design featuring 15 primary mirrors arranged in an elliptical array with a 1 km major axis, with the potential to expand to 30 mirrors and larger array sizes through staged deployments. Additionally, this study identified numerous opportunities for optimization and the necessary trade studies to refine the design further. These will be pursued in follow-up investigations, such as a NIAC Phase II study, to advance the concept toward implementation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_02105 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | NASA Innovative Advanced Concepts Phase I Final Report -- A Lunar Long-Baseline UV/Optical Imaging Interferometer: Artemis-enabled Stellar Imager (AeSI) Carpenter, Kenneth G. Boyajian, Tabetha Buzasi, Derek Clark, Jim Creech-Eakman, Michelle Dean, Bruce Elliott, Ashley Foster, Julianne Gong, Qian Karovska, Margarita Kim, David Hulberg, Jon Leisawitz, David Maher, Mike Morse, Jon Mozurkewich, Dave Peacock, Sarah Petro, Noah Rau, Gioia Scowen, Paul Seals, Len Smith, Walter Smuda, Max Sitarski, Breann Taylor, Buddy van Belle, Gerard Wilkinson, Erik Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics This report presents the findings of a NIAC Phase I feasibility study for the Artemis-enabled Stellar Imager (AeSI), a proposed high-resolution, UV/Optical interferometer designed for deployment on the lunar surface. Its primary science goal is to image the surfaces and interiors of stars with unprecedented detail, revealing new details about their magnetic processes and dynamic evolution and enabling the creation of a truly predictive solar/stellar dynamo model. This capability will transform our understanding of stellar physics and has broad applicability across astrophysics, from resolving the cores of Active Galactic Nuclei (AGN) to studying supernovae, planetary nebulae, and the late stages of stellar evolution. By leveraging the stable vacuum environment of the Moon and the infrastructure being established for the Artemis Program, AeSI presents a compelling case for a lunar-based interferometer. In this study, the AeSI Team, working with the NASA Goddard Space Flight Center's Integrated Design Center (IDC), has firmly established the feasibility of building and operating a reconfigurable, dispersed aperture telescope (i.e., an interferometer) on the lunar surface. The collaboration produced a credible Baseline design featuring 15 primary mirrors arranged in an elliptical array with a 1 km major axis, with the potential to expand to 30 mirrors and larger array sizes through staged deployments. Additionally, this study identified numerous opportunities for optimization and the necessary trade studies to refine the design further. These will be pursued in follow-up investigations, such as a NIAC Phase II study, to advance the concept toward implementation. |
| title | NASA Innovative Advanced Concepts Phase I Final Report -- A Lunar Long-Baseline UV/Optical Imaging Interferometer: Artemis-enabled Stellar Imager (AeSI) |
| topic | Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics |
| url | https://arxiv.org/abs/2503.02105 |