Visibility I / V
The observation is very eccentric about the hot 12-hour overflow of the Jupiter HD 80606b on December 7, 2021. Seven people were observed over 27 hours from Europe, North America, and Japan, producing nine sets of data that clearly show the overflow combined.
These preliminary results go to astronomers who design James Webb’s space telescope observations to study the atmosphere of this extreme planet. Importantly, we can say that the center of the overflow probably occurred in a window of about 30 minutes that includes the predicted time, so the group can be reasonably sure that the overruns will occur in late 2022 and 2023 and JWST will see them. (Pretty good for a 714-minute crossing on a planet that orbits its stars once every 111 days.)
Tom Esposito (Lead Exoplanet Astromer) who leads this for our group said that this result should be considered preliminary and may change slightly in the future. But it is certain that the observation is real and the timing reliable.
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