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Swift-XRT spectra of GRB 250312A

Last updated after receiving ObsID 01294765001, version 6

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 385 to 34669 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+11581 s

N_H (Galactic)	1.79 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	1.80 (+0.22, -0.21)
Flux (0.3-10 keV) (Observed)	3.1 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.8 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.68 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	222.83 (227)
Spectrum exposure	8.3 ks

Late Time spectrum (T0 + 6246 to 34669 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21960 s

N_H (Galactic)	1.79 × 10²⁰ cm^-2
N_H (intrinsic)	2.5 (+1.5, -1.2) × 10²¹ cm^-2
z of absorber	0
Photon index	2.0 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	1.60 (+0.33, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.37 (+0.39, -0.27) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.39 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	142.29 (146)
Spectrum exposure	7.1 ks