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Table 3.

Fitting parameters and goodness-of-fit values for X-ray spectral fits to subsets of NICER data.

Sub-spectrum (a) kBT1(b) (eV) kBT2(b) (eV) χ2/d.o.f.
Time: 1st half 94.5 55.9 192.1/165
Time: 2nd half 106.3 59.8 239.2/165

Rate: low 89.6 54.7 198.7/165
Rate: high 113.6 61.6 184.3/165

Notes.

(a)

The data are divided by time and by count rate as described in the text.

(b)

Temperatures for fits with a dual-blackbody model.

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