HD189733 b
Star HD189733 A (=V452 Vulpeculae) has a planet orbiting it, HD189733 b. This is a 'hot Jupiter', and water vapour has been detected in its atmosphere. It has a period of about 2.2 days.
This transit was observed on 7th September 2014.
Note, this extrasolar planet was detected from images made by the 2" Titan at Somerby Observatory. These were unfiltered and are not transformed.
This transit was observed on 7th September 2014.
Note, this extrasolar planet was detected from images made by the 2" Titan at Somerby Observatory. These were unfiltered and are not transformed.
Plot of all observations.
Plot made by taking the numerical averages of groups of 8 observations.
This analysis was redone on 2022 February 12 using AAVSO data. (Accessed 2022 February 12.)
[ This page updated 2022 February 12 ]