Early Architecture Concepts for the Habitable Worlds Observatory -- System Design, Modeling, and Analysis
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2026
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| author | Alice Liu Levine, Marie Noecker, Charley Lawrence, Jon Abel, Joshua Akkerman, Michael Aanstaat, Eric Belikov, Ruslan Chen, Pin Dziak, Kenneth Effron, Jordan Feinberg, Lee Gostin, Alan Govern, James Haag, Cameron Howard, Joseph Kern, Brian Kuan, Gary Mandic, Milan McDonald, Carson Mulrenin, Connor Nemati, Bijan Papa, Jon Shi, Fang Sirlin, Samuel Sitarski, Breann Smiley, Cory Smith, J. Scott Stahl, Philip Stark, Christopher Walsh, Gregory Ziemer, John |
| author_facet | Alice Liu Levine, Marie Noecker, Charley Lawrence, Jon Abel, Joshua Akkerman, Michael Aanstaat, Eric Belikov, Ruslan Chen, Pin Dziak, Kenneth Effron, Jordan Feinberg, Lee Gostin, Alan Govern, James Haag, Cameron Howard, Joseph Kern, Brian Kuan, Gary Mandic, Milan McDonald, Carson Mulrenin, Connor Nemati, Bijan Papa, Jon Shi, Fang Sirlin, Samuel Sitarski, Breann Smiley, Cory Smith, J. Scott Stahl, Philip Stark, Christopher Walsh, Gregory Ziemer, John |
| contents | The Habitable Worlds Observatory (HWO), NASA's next flagship science mission, follows in the tradition of the Nancy Grace Roman Space Telescope and other preceding great observatories. HWO will directly image and characterize Earth-like exoplanet and their atmospheres, with the capability to detect biosignatures and potentially answer the question of whether we are we alone. HWO will also serve as a powerful general astrophysics observatory, enabling breakthroughs in galaxy evolution, stellar astrophysics, and dark matter studies. Currently in pre-formulation, the project has established Exploratory Analytic Cases (EACs), a series of architectural concept designs used to assess the mission's demanding science objectives while exploring challenging engineering parameters. This paper describes the first three EACs, starting with observing strategies and error budget formulation and then progressing to design formulations, trade studies and lessons learned; this paper also discusses the integrated modeling pipeline, a key multidisciplinary system-level analysis capability, and analysis findings as applied to the first EAC. These activities set the stage for the follow on EACs 4 and 5, which will further explore the trade space and prepare for the baseline design that will support the Mission Concept Review (MCR). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_11046 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Early Architecture Concepts for the Habitable Worlds Observatory -- System Design, Modeling, and Analysis Alice Liu Levine, Marie Noecker, Charley Lawrence, Jon Abel, Joshua Akkerman, Michael Aanstaat, Eric Belikov, Ruslan Chen, Pin Dziak, Kenneth Effron, Jordan Feinberg, Lee Gostin, Alan Govern, James Haag, Cameron Howard, Joseph Kern, Brian Kuan, Gary Mandic, Milan McDonald, Carson Mulrenin, Connor Nemati, Bijan Papa, Jon Shi, Fang Sirlin, Samuel Sitarski, Breann Smiley, Cory Smith, J. Scott Stahl, Philip Stark, Christopher Walsh, Gregory Ziemer, John Instrumentation and Methods for Astrophysics The Habitable Worlds Observatory (HWO), NASA's next flagship science mission, follows in the tradition of the Nancy Grace Roman Space Telescope and other preceding great observatories. HWO will directly image and characterize Earth-like exoplanet and their atmospheres, with the capability to detect biosignatures and potentially answer the question of whether we are we alone. HWO will also serve as a powerful general astrophysics observatory, enabling breakthroughs in galaxy evolution, stellar astrophysics, and dark matter studies. Currently in pre-formulation, the project has established Exploratory Analytic Cases (EACs), a series of architectural concept designs used to assess the mission's demanding science objectives while exploring challenging engineering parameters. This paper describes the first three EACs, starting with observing strategies and error budget formulation and then progressing to design formulations, trade studies and lessons learned; this paper also discusses the integrated modeling pipeline, a key multidisciplinary system-level analysis capability, and analysis findings as applied to the first EAC. These activities set the stage for the follow on EACs 4 and 5, which will further explore the trade space and prepare for the baseline design that will support the Mission Concept Review (MCR). |
| title | Early Architecture Concepts for the Habitable Worlds Observatory -- System Design, Modeling, and Analysis |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2602.11046 |