Understanding the solar atmosphere through spectropolarimetric observations and synthetic data

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The Kakenhi funding aims to support the work I started around 2016 to help in the development of the SCIP instrument (Katsukawa et al. in preparation). I am the Project Scientist of that instrument, and my main focus is to define the optimum design based on theoretical studies. I have produced a long list of publications, i.e. Quintero Noda et al. (2016, 2017a,b,c, 2018a,b), where step by step I have examined and determined the best instrumental configuration for our purposes, that is understanding the solar magnetism at the lower atmosphere.Besides those theoretical studies, I wanted to help the SCIP team providing instrumentation. In this regard, as I mentioned in the Kakenhi proposal, the budget was aimed to purchase a scientific camera and additional optical elements. Thus, I bought the camera, and it is already installed in our lab. I am testing it, regarding efficiency, dark current... to verify that it meets our requirements. This camera will be used later this year, around April 2019, when testing the polarisers and different optical elements before installing the flight cameras (provided by an international partner on early 2020). Therefore, this Kakenhi budget is crucial for us because it will help us finalise the instrument on time (the expected flight is 2021) as we can test it while the final components are developed at other institutions. Finally, this grant complements the recently obtained Kakenhi S with reference 18H05234 that will cover the expenses of the rest of the elements and also the preparations for the flight.