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| Paper: |
Search for Exospheric Signatures from Transiting Planets |
| Volume: |
321, Extrasolar Planets: Today and Tomorrow |
| Page: |
209 |
| Authors: |
Iro, N.; Coustenis, A.; Moutou, C.; Lajous, N.; Mayor, M.; Queloz, D. |
| Abstract: |
We searched for spectral signatures from the exosphere of HD209- 458b in the UV and the near-IR with UVES and ISAAC at the VLT. We looked in particular for the helium absorption feature at 10,830 Å predicted to be among the strongest ones. The upper limit of the He I line derived is 0.5% at 3 σ for a 3 Å bandwidth. Planet-induced chromospheric activity search on HD209458 was also performed. |
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