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Swift-XRT spectra of GRB 250530A

Last updated after receiving ObsID 00019839003, version 6

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 + 1055 to 42239 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+4866 s

N_H (Galactic)	2.76 × 10²⁰ cm^-2
N_H (intrinsic)	2.5 (+0.5, -0.5) × 10²² cm^-2
z of absorber	0
Photon index	2.2 (+0.3, -0.3)
Flux (0.3-10 keV) (Observed)	1.22 (+0.15, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.58 (+1.64, -0.48) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.73 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	256.34 (309)
Spectrum exposure	5.8 ks

Late Time spectrum (T0 + 6719 to 42239 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+26458 s

N_H (Galactic)	2.76 × 10²⁰ cm^-2
N_H (intrinsic)	2.5 (+1.7, -1.1) × 10²² cm^-2
z of absorber	0
Photon index	3.5 (+1.3, -1.0)
Flux (0.3-10 keV) (Observed)	8.2 (+2.9, -2.0) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.4 (+7.3, -0.9) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.68 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.04 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	53.43 (58)
Spectrum exposure	4.1 ks