NICER observation list: Target ID 456502

Intensive accretion disk reverberation mapping (RM) observations are a powerful tool for probing the structure and physics of AGN central engine. For AGNs accreting at super-Eddington rates, the inner accretion disks likely puff up with a different radial temperature profile from sub-Eddington AGNs that could lead to a different time-lag relation. The strong disk winds in these AGNs may also obscure the X-ray emission causing poor X-ray-UV correlations. We propose to obtain 100 1 ks NICER monitoring observations of the super-Eddington accreting AGN I Zw 1, along with our proposed Swift disk RM campaign, to provide critically needed determination of the intrinsic X-ray emission and wind absorption parameters via multi-epoch spectroscopy, and thus to map its accretion and ejection flows.