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Swift-XRT spectra of GRB 210305A

Last updated after receiving ObsID 01035922004, version 13

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 83 to 34323 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+140 s

N_H (Galactic)	2.00 × 10²¹ cm^-2
N_H (intrinsic)	1.2 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.39 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	9.9 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.16 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.34 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.30 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	564.95 (638)
Spectrum exposure	184 s

PC mode. Mean photon arrival: T0+5706 s

N_H (Galactic)	2.00 × 10²¹ cm^-2
N_H (intrinsic)	2.1 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	1.82 (+0.16, -0.16)
Flux (0.3-10 keV) (Observed)	1.110 (+0.106, -0.096) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.57 (+0.13, -0.12) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.44 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.30 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	330.45 (359)
Spectrum exposure	5.9 ks

Late Time spectrum (T0 + 5303 to 34323 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14132 s

N_H (Galactic)	2.00 × 10²¹ cm^-2
N_H (intrinsic)	2.8 (+1.7, -1.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.00 (+0.29, -0.27)
Flux (0.3-10 keV) (Observed)	3.6 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.86 (+1.27, -0.84) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.10 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.62 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	167.02 (207)
Spectrum exposure	4.4 ks