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Swift-XRT spectra of GRB 210321A

Last updated after receiving ObsID 01037828003, version 11

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.487 (GCN 29685)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 2734 to 44191 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

WT mode. Mean photon arrival: T0+2736 s

Can't find a valid fit for this spectrum

PC mode. Mean photon arrival: T0+5683 s

N_H (Galactic)	1.13 × 10²¹ cm^-2
N_H (intrinsic)	8 (+5, -4) × 10²¹ cm^-2
z of absorber	1.487
Photon index	1.96 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	4.4 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.0 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.94 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	212.90 (266)
Spectrum exposure	6.7 ks

Late Time spectrum (T0 + 4002 to 44191 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10273 s

N_H (Galactic)	1.13 × 10²¹ cm^-2
N_H (intrinsic)	1.1 (+7.5, -1.1) × 10²¹ cm^-2
z of absorber	1.487
Photon index	1.73 (+0.29, -0.22)
Flux (0.3-10 keV) (Observed)	1.7 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.04 (+0.33, -0.28) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.99 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.71 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	104.71 (143)
Spectrum exposure	5.4 ks