Eckart, A. Max Planck Institute for Radio Astronomy, Max Planck Society;
Witzel, G. Max Planck Institute for Radio Astronomy, Max Planck Society;
Abuter, R., Amorim, A., Bauböck, M., Baganoff, F., Berger, J., Boyce, H., et al. (2021). Constraining particle acceleration in Sgr A⋆ with simultaneous GRAVITY, Spitzer, NuSTAR, and Chandra observations. åp, 654: A22, pp. A22. doi:10.1051/0004-6361/202140981.