The Luminosity of the Star HD 88111 (IMAGE) University of Bern Caption The luminosity of the star HD 88111 as derived from each of the 5,640 photos taken by CHEOPS over 47 hours is shown in Figure 2 as a 'light curve'. Credit © ESA/Airbus/CHEOPS Mission Consortium Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.