System equivalent flux density of a low-frequency polarimetric phased array interferometer A. T. Sutinjo, D. C. X. Ung, M. Sokolowski, M. Kovaleva and S. McSweeney A&A, 660 (2022) A134 Published online: 02 May 2022 DOI: 10.1051/0004-6361/202142759