NICER observes a secondary peak in the decay of a thermonuclear burst from 4U 1608-52

Gaurava K. Jaisawal, Jérôme Chenevez, Peter Bult +14

We report for the first time below 1.5 keV, the detection of a secondary peak in an Eddington-limited thermonuclear X-ray burst observed by the Neutron Star Interior Composition Ex…