A non-LTE spectral analysis of the 3He and 4He isotopes in the HgMn star κ Cancri Natalia L. Maza, María-Fernanda Nieva and Norbert Przybilla A&A, 572 (2014) A112 Published online: 05 December 2014 DOI: 10.1051/0004-6361/201425037