IC 4499 revised: Spectro-photometric evidence of small light-element variations E. Dalessandro, C. Lardo, M. Cadelano, S. Saracino, N. Bastian, A. Mucciarelli, M. Salaris, P. Stetson and E. Pancino A&A, 618 (2018) A131 Published online: 23 October 2018 DOI: 10.1051/0004-6361/201833650