Simulating observable structures due to a perturbed interstellar medium in front of astrospheric bow shocks in 3D MHDL. R. Baalmann, K. Scherer, J. Kleimann, H. Fichtner, D. J. Bomans and K. WeisA&A, 650 (2021) A36DOI: https://doi.org/10.1051/0004-6361/202039836