Figure 4 from NICER Observes the Effects of an X-Ray Burst on the Accretion Environment in Aql X-1

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NICER Observes the Effects of an X-Ray Burst on the Accretion Environment in Aql X-1

Authors: L. Keek, Z. Arzoumanian, P. Bult, E. M. Cackett, D. Chakrabarty, J. Chenevez, A. C. Fabian, K. C. Gendreau, S. Guillot, T. Güver, J. Homan, G. K. Jaisawal, F. K. Lamb, R. M. Ludlam, S. Mahmoodifar, C. B. Markwardt, J. M. Miller, G. Prigozhin, Y. Soong, T. E. Strohmayer, and M. T. Wolff

2018 The Astrophysical Journal Letters 855 L4.

Provider: AAS Journals

Caption: Figure 4.

Time-resolved spectroscopy with a model that includes a scaled pre-burst component. Top panel: count rate in the full passband at 1/8 s resolution. Other panels show the best-fit values for the blackbody temperature, kT, and normalization, K_bb, as well as the scaling factor of the pre-burst component, f_a. Horizontal bars indicate the width of the time bins, and vertical bars are the 1σ uncertainties. The bottom panel presents the goodness of fit per degree of freedom, ﹩{\chi }_{\nu }^{2}﹩.

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