A host galaxy study of southern narrow-line Seyfert 1 galaxies I. Varglund, E. Järvelä, S. Ciroi, M. Berton, E. Congiu, A. Lähteenmäki and F. Di Mille A&A, 679 (2023) A32 Published online: 31 October 2023 DOI: 10.1051/0004-6361/202346131