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| Paper: |
The Exoplanet Science Case for the High-Resolution Pollux Spectrograph |
| Monograph: |
11, HWO25 Proceedings Part II: Mission Framework, Technology, and Broader Contributions |
| Page: |
125 |
| Authors: |
L. Fossati, J.-Y. Chaufray, P. E. Cubillos, A. Strugarek, S. V. Berdyugina, F. Borsa, J. A. Caballero, E. Ehl, L. N. Fletcher, A. Fludra, L. Gkouvelis, J. L. Grenfell, M. Güdel, K. G. Kislyakova, A. Moin, E. Palle, C. Pearson, A. G. Sreejith, D. Veras, A. A. Vidotto, D. M. Weigt, T. G. Wilson, T. Zingales, and the Pollux planets WG |
| DOI: |
10.26624/CAGG8932 |
| Abstract: |
Pollux is a candidate European instrumental contribution to HWO, designed to advance our understanding of the universe. This high-resolution spectrograph (R z>z 60,000) with polarimetric capabilities offers nearly continuous and simultaneous coverage from the FUV (∼100 nm) to the NIR (∼1.9 zμmz), making it a versatile tool for a wide range of scientific investigations from solar system studies to cosmology. Exoplanet research is a key focus and a significant driver of Pollux design. The exoplanet science case includes star-planet interactions leveraging Pollux's UV spectropolarimetric capabilities to probe the dynamic interactions between stars and their orbiting planets; atmospheric characterisation utilising its unique high resolution and broad simultaneous wavelength coverage to analyse exoplanet atmospheres in unprecedented detail; and composition of rocky exoplanets using Pollux's UV high-resolution capabilities. Pollux will redefine the boundaries of exoplanet science, providing unparalleled insights into the composition, dynamics, and environments of distant worlds. |
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