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Large Interferometer For Exoplanets (LIFE). X. Detectability of currently known exoplanets and synergies with future IR/O/UV reflected-starlight imaging missions by Carrión-González, Óscar; Kammerer, Jens; Angerhausen, Daniel; Dannert, Felix; Muñoz, Antonio García; Quanz, Sascha P.; Absil, Olivier; Beichman, Charles A.; Girard, Julien H.; Mennesson, Bertrand; Meyer, Michael R.; Stapelfeldt, Karl R.; Collaboration, The LIFE is a scholarly article available to read on EtoBox.

What is Large Interferometer For Exoplanets (LIFE). X. Detectability of currently known exoplanets and synergies with future IR/O/UV reflected-starlight imaging missions about?

The next generation of space-based observatories will characterize the atmospheres of low-mass, temperate exoplanets with the direct-imaging technique. This will be a major step forward in our understanding of exoplanet diversity and the prevalence of potentially habitable conditions beyond the Earth. We compute a list of currently known exoplanets detectable with the mid-infrared Large Interferometer For Exoplanets (LIFE) in thermal emission. We also compute the list of known exoplanets accessible to a notional design of the Habitable Worlds Observatory (HWO), observing in reflected starlight. With a pre-existing method, we processed the NASA Exoplanet Archive and computed orbital realizations for each known exoplanet. We derived their mass, radius, equilibrium temperature, and planet-star angular separation. We used the LIFEsim simulator to compute the integration time ($t_{int}$) required to detect each planet with LIFE. A planet is considered detectable if a broadband signal-to-noise ratio $S/N$=7 is achieved over the spectral range $4-18.5\mu$m in $t_{int}\leq$100 hours. We tested whether the planet is accessible to HWO in reflected starlight based on its notional inner and ou

Author

Carrión-González, Óscar; Kammerer, Jens; Angerhausen, Daniel; Dannert, Felix; Muñoz, Antonio García; Quanz, Sascha P.; Absil, Olivier; Beichman, Charles A.; Girard, Julien H.; Mennesson, Bertrand; Meyer, Michael R.; Stapelfeldt, Karl R.; Collaboration, The LIFE

Published

2023

Language

EN