Table 1.

Broadband X-ray Spectral Modeling with Thermal Bremsstrahlung

Date (days)	Instrument	Temperature T (keV)	Absorption NHtot (1022 cm−2)
308	CXO	>10	≲4
396	CXO+NuSTAR	${17.8}_{-2.8}^{+3.7}$	${2.9}_{-0.3}^{+0.4}$
472	CXO+NuSTAR	${19.8}_{-3.9}^{+6.3}$	${1.8}_{-0.2}^{+0.2}$