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| Paper: |
Advanced Technology Large-Aperture Space Telescope (ATLAST): Characterizing Habitable Worlds |
| Volume: |
430, Pathways Towards Habitable Planets |
| Page: |
361 |
| Authors: |
Postman, M.; Traub, W. A.; Krist, J.; Stapelfeldt, K.; Brown, R.; Oegerle, W.; Lo, A.; Clampin, M.; Soummer, R.; Wiseman, J.; Mountain, M. |
| Abstract: |
The Advanced Technology Large Aperture Space Telescope (ATLAST) is a set of mission concepts for the next generation UV-Optical-Near Infrared space telescope with an aperture size of 8 to 16 meters. ATLAST, using an internal coronagraph or an external occulter, can characterize the atmosphere and surface of an Earth-sized exoplanet in the habitable zone of long-lived stars at distances up to ∼45 pc, including its rotation rate, climate, and habitability. ATLAST will also allow us to glean information on the nature of the dominant surface features, changes in cloud cover and climate, and, potentially, seasonal variations in surface vegetation. ATLAST will be able to visit up to 200 stars in 5 years, at least three times each, depending on the technique used for starlight suppression and the telescope aperture. More frequent visits can be made for interesting systems. |
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