Temporal and chromatic variation of polarized scattered light in the outer disk of PDS 70 J. Ma, C. Ginski, R. Tazaki, C. Dominik, H. M. Schmid and F. Ménard A&A, 691 (2024) L16 Published online: 19 November 2024 DOI: 10.1051/0004-6361/202451614