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Swift-XRT spectra of GRB 250603A

Last updated after receiving ObsID 01320335002, version 7

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 105 to 34677 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+108 s

N_H (Galactic)	6.86 × 10²¹ cm^-2
N_H (intrinsic)	4.0 (+23.2, -4.0) × 10²¹ cm^-2
z of absorber	0
Photon index	2.3 (+2.3, -1.2)
Flux (0.3-10 keV) (Observed)	1.88 (+2.06, -0.97) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.5 (+1.00 × 10¹⁰, -2.7) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.30 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.03 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	10.09 (9)
Spectrum exposure	5 s

PC mode. Mean photon arrival: T0+2010 s

N_H (Galactic)	6.86 × 10²¹ cm^-2
N_H (intrinsic)	9 (+5, -4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.51 (+0.32, -0.30)
Flux (0.3-10 keV) (Observed)	4.8 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.16 (+1.27, -0.87) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	7.66 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.15 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	250.36 (278)
Spectrum exposure	8.9 ks

Late Time spectrum (T0 + 4832 to 34677 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14680 s

N_H (Galactic)	6.86 × 10²¹ cm^-2
N_H (intrinsic)	4 (+4, -3) × 10²² cm^-2
z of absorber	0
Photon index	3.0 (+1.7, -1.4)
Flux (0.3-10 keV) (Observed)	3.9 (+2.0, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.2 (+22.7, -3.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	6.35 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.83 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	48.94 (34)
Spectrum exposure	7.5 ks