A-PHOT: a new, versatile code for precision aperture photometryE. Merlin, S. Pilo, A. Fontana, M. Castellano, D. Paris, V. Roscani, P. Santini and M. TorelliA&A, 622 (2019) A169DOI: https://doi.org/10.1051/0004-6361/201833991