A. D'Ai (INAF-IASFPA) for the Swift team
Mereghetti et al. (GCN Circ. 28110) reported the GRB detection. A gamma ray burst lasting about 160 s has been detected by IBAS in the IBIS/ISGRI data at 23:51:40 UT of July 15, 2020. Table 1 contains the best reported positions from Swift.
Table 2 is a summary of GCN Circulars about this GRB from observatories other than Swift.
BAT did not observe this burst.
Analysis of the initial XRT data was reported by D'Ai et al. (GCN Circ. 28115).
The light curve (Figure 2) can be modelled with a power-law decay with a decay index of α=1.06 (+0.32, -0.27).
A spectrum formed from the PC mode data can be fitted with an absorbed
power-law with a photon spectral index of 2.1 ± 0.5. The
best-fitting absorption column is 1.06 (+0.60, -0.29) x 1
UVOT results are not available.
Figure 1. The BAT light curve is not available.
Figure 2. The XRT light curve.
Any data from a crosshatched region are not included in the fit.
RA (J2000) | Dec (J2000) | Error | Note | Reference |
---|---|---|---|---|
1 |
-51°50'18.2" | 7.2" | XRT-final | UKSSDC |
1 |
-51°50'08.0" | 3.7" | XRT | D'Ai et al. GCN Circ. 28115 |
Band | Authors | GCN Circ. | Subject | Observatory | Notes |
---|---|---|---|---|---|
Gamma-ray | Mereghetti et al. | 28110 | A long GRB detected by INTEGRAL | INTEGRAL |
July 17, 2020