Solanki, S. K., Riethmüller, T. L., Barthol, P., Danilovic, S., Deutsch, W., Doerr, H.-P., et al. (2017). The Second Flight of the SUNRISE Balloon-borne Solar Observatory: Overview of Instrument Updates, the Flight, the Data, and First Results. Astrophysical Journal, Suppl. Ser., 229(1): 2. doi:10.3847/1538-4365/229/1/2.