SDSS IV MaNGA - metallicity and nitrogen abundance gradients in local galaxies

FB and RM acknowledge funding from the United Kingdom Science and Technology Facilities Council (STFC). RM acknowledges funding from the European Research Council (ERC), Advanced Grant 695671 ‘QUENCH’. SFS thanks the CONACYT- 125180, DGAPA-IA100815 and DGAPA-IA101217 projects for providing him support in this study. CAT acknowledges support from National Science Foundation of the United States grant 1412287 and 1554877. This work makes use of data from SDSS-IV. Funding for SDSS has been provided by the Alfred P. Sloan Foundation and Participating Institutions. Additional funding towards SDSS-IV has been provided by the U.S. Department of Energy Office of Science. SDSS-IV acknowledges support and resources from the Centre for High-Performance Computing at the University of Utah.