Observing Strategy

What is 4FS?
4FS stands for the 4MOST Facility Simulator. 4FS contains all the necessary tools for planning and preparing observations with 4MOST. It is composed of thre...
Wed, 24 Apr, 2019 at 9:44 AM
How much time will there be between consecutive exposures?
Individual science exposures within each Observing Block (OB - field/fibre configuration) will include calibration and flatfield exposures that will be read...
Tue, 13 Nov, 2018 at 9:03 AM
What is the strategy for the flat field and calibration exposures?
There will be a number of exposures taken during day, twilight, and night time in order to ensure specified data quality. They are needed to correct for the...
Thu, 18 Apr, 2019 at 9:14 AM
Will there be repeat observations for failed exposures?
A re-observation policy will have to be agreed by all surveys before the start of observations and depending on the two distinct definitions of a "fail...
Wed, 6 Feb, 2019 at 4:29 PM
How will the quality checks contribute to optimising observations?
4MOST operations will introduce three feedback loops into observations to ensure the highest quality of delivered data. They are summarised in the following...
Tue, 13 Nov, 2018 at 9:04 AM