FourStar – Updates
Pupil configuration change
Because of issues with the pupil mechanism, starting April 9th, 2018, the default position of the pupil for all filters will be “Closed”.
This entails a ~12% loss of efficiency in the J and H bands.
Because of issues with the pupil mechanism, starting April 9th, 2018, the default position of the pupil for all filters will be “Closed”.
This entails a ~12% loss of efficiency in the J and H bands.