The final SDSS-IV/SPIDERS X-ray point source spectroscopic catalogue J. Comparat, A. Merloni, T. Dwelly, M. Salvato, A. Schwope, D. Coffey, J. Wolf, R. Arcodia, T. Liu, J. Buchner et al. (8 more) A&A, 636 (2020) A97 Published online: 27 April 2020 DOI: 10.1051/0004-6361/201937272