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Swift-XRT spectra of GRB 250321A

Last updated after receiving ObsID 01297508001, version 14

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 134 to 39380 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+8573 s

N_H (Galactic)	1.13 × 10²² cm^-2
N_H (intrinsic)	2.6 (+3.4, -2.2) × 10²² cm^-2
z of absorber	0
Photon index	2.2 (+1.3, -1.0)
Flux (0.3-10 keV) (Observed)	1.5 (+0.6, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.5 (+15.3, -2.2) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	7.53 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.28 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	49.29 (62)
Spectrum exposure	6.8 ks

Late Time spectrum (T0 + 4002 to 39380 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14439 s

N_H (Galactic)	1.13 × 10²² cm^-2
N_H (intrinsic)	0 (+1.95 × 10²², -0) cm^-2
z of absorber	0
Photon index	0.64 (+1.29, -0.40)
Flux (0.3-10 keV) (Observed)	1.1 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.3 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	1.21 × 10^-10 erg cm^-2 ct^-1
Counts to flux (unabs)	1.40 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	30.08 (35)
Spectrum exposure	6.2 ks