Discovery of a 1247 s pulsar in the Be X-ray binary SAX J2239.3+6116 J. J. M. in 't Zand, J. Swank, R. H. D. Corbet and C. B. Markwardt A&A, 380 1 (2001) L26-L29 Published online: 15 December 2001 DOI: 10.1051/0004-6361:20011512