Exoplanet Atmospheric Escape Observations with the Habitable Worlds Observatory
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arXiv
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| Auteurs principaux: | , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866913934752088064 |
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| author | Santos, Leonardo A. Dos Lopez, Eric D. Fossati, Luca Muñoz, Antonio García Kameda, Shingo Alam, Munazza K. Rockcliffe, Keighley Redfield, Seth Ito, Yuichi Lothringer, Joshua Vissapragada, Shreyas Wakeford, Hannah R. Oza, Apurva V. Duvvuri, Girish M. Estrela, Raissa Sakata, Ryoya Dong, Chuanfei Huang, Ziyu |
| author_facet | Santos, Leonardo A. Dos Lopez, Eric D. Fossati, Luca Muñoz, Antonio García Kameda, Shingo Alam, Munazza K. Rockcliffe, Keighley Redfield, Seth Ito, Yuichi Lothringer, Joshua Vissapragada, Shreyas Wakeford, Hannah R. Oza, Apurva V. Duvvuri, Girish M. Estrela, Raissa Sakata, Ryoya Dong, Chuanfei Huang, Ziyu |
| contents | The Decadal Survey on Astronomy and Astrophysics 2020 highlights the importance of advancing research focused on discovering and characterizing habitable worlds. In line with this priority, our goal is to investigate how planetary systems evolve through atmospheric escape and to develop methods for identifying potentially Earth-like planets. By leveraging the ultraviolet (UV) capabilities of the Habitable Worlds Observatory (HWO), we can use transit spectroscopy to observe atmospheric escape in exoplanets and explore the processes that shape their evolution, assess the ability of small planets to retain their atmospheres, and search for signs of Earth-like atmospheres. To achieve this, we support the development of a UV spectrograph with moderate- to high-resolution capabilities for point-source observations, coverage of key spectral features in the 100-300 nm range, and detectors that can register high count rates reliably. This article is an adaptation of a science case document developed for the Characterizing Exoplanets Steering Committee within HWO's Solar Systems in Context Working Group. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_07124 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Exoplanet Atmospheric Escape Observations with the Habitable Worlds Observatory Santos, Leonardo A. Dos Lopez, Eric D. Fossati, Luca Muñoz, Antonio García Kameda, Shingo Alam, Munazza K. Rockcliffe, Keighley Redfield, Seth Ito, Yuichi Lothringer, Joshua Vissapragada, Shreyas Wakeford, Hannah R. Oza, Apurva V. Duvvuri, Girish M. Estrela, Raissa Sakata, Ryoya Dong, Chuanfei Huang, Ziyu Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics Solar and Stellar Astrophysics The Decadal Survey on Astronomy and Astrophysics 2020 highlights the importance of advancing research focused on discovering and characterizing habitable worlds. In line with this priority, our goal is to investigate how planetary systems evolve through atmospheric escape and to develop methods for identifying potentially Earth-like planets. By leveraging the ultraviolet (UV) capabilities of the Habitable Worlds Observatory (HWO), we can use transit spectroscopy to observe atmospheric escape in exoplanets and explore the processes that shape their evolution, assess the ability of small planets to retain their atmospheres, and search for signs of Earth-like atmospheres. To achieve this, we support the development of a UV spectrograph with moderate- to high-resolution capabilities for point-source observations, coverage of key spectral features in the 100-300 nm range, and detectors that can register high count rates reliably. This article is an adaptation of a science case document developed for the Characterizing Exoplanets Steering Committee within HWO's Solar Systems in Context Working Group. |
| title | Exoplanet Atmospheric Escape Observations with the Habitable Worlds Observatory |
| topic | Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics Solar and Stellar Astrophysics |
| url | https://arxiv.org/abs/2507.07124 |