Isobel (preliminary ESI): Matches SNIa at z~1.05 (depends on tempate used)
Andy (preliminary ESI): I agree, probably a Ia at z~1.05. See the 80 pixel median smoothed Satie.90n.m7.ps.
Lifan (final ESI?): Could be Ia at z~1.1, or could be Ic at z=0.55. See comments and figures here.