OO Aquilae / OO Aql
A secondary minimum of the EW type eclipsing binary OO Aquilae / OO Aql observed with the 2" Titan at the Somerby Observatory on 2019 October 2. The 448 images were unfiltered.
There is significant o-c activity with this star (Kreiner).
A maximum was observed with the 2" Titan at Somerby Observatory on 24 October 2019, this was coming out of a secondary minimum and going into a primary minimum. The 529 images were unfiltered. They are the red data points in the following light curve and phase diagram, where they have been added to the above secondary minimum, which are the black data points.
NB the minimum shown above is a secondary minimum.
Between 2019 May 20 and 2021 December 16 I obtained 74 images with the Open University COAST telescope, using a V filter.
These are plotted on the following diagrams in blue, the above light curves are included and are coloured as before.
These are plotted on the following diagrams in blue, the above light curves are included and are coloured as before.
The catalogued period for this star is 0.5067928d (GCVS), 0.506792d (AAVSO VSX) and 0.5067931d (Kreiner). As stated above, there is significant o-c activity with this star (Kreiner). (Accessed 2020 November 16)
[This page updated 2022 January 10.]