Extreme gas kinematics in an off-nuclear HII region of SDSS J143245.98+404300.3 Bruno Rodríguez Del Pino, Santiago Arribas, Javier Piqueras López, Alejandro Crespo Gómez and José M. Vílchez A&A, 630 (2019) A124 Published online: 03 October 2019 DOI: 10.1051/0004-6361/201936140