At 11:53:11 Swift was slewing (Cummings GCN Circ. 15483). 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.
The BAT mask-weighted lightcurve (Figure 1) shows a single broad peak with a slow rise to a plateau at T+25 seconds, lasting about 70 seconds, and a slow decay. T90 is about 100 ± 10 seconds.
The average spectrum from T0 to T+90 (after which the source had a low mask coding factor in BAT) is best fit by a simple power law function with a photon index of 1.61 ± 0.09. The fluence from 15-150 keV during this interval was (3.53 ± 0.10) x 10-6 ergs/cm2 s-1. Errors are 90% confidence.
We have analysed xx ks of XRT data for the Swift/BAT-detected burst: GRB 131110A, from 0 s to 0 s after the Swift/BAT trigger. The data are entirely in Photon Counting (PC) mode. We cannot determine at the present time whether the source is fading.
UVOT results are not available.
Figure 1. The BAT light curve is not available.
RA (J2000) | Dec (J2000) | Error | Note | Reference |
---|---|---|---|---|
04h37m04.4s | -17°15'34" | 0.8' | BAT-refined | Cummings et al. GCN Circ. 15487 |
Band | Authors | GCN Circ. | Subject | Observatory | Notes |
---|
Filter | Tstart(s) | Tstop(s) | Exp(s) | Mag |
---|---|---|---|---|
white | 397556 | 409058 | 892 | >20.2 |
v | 398095 | 409489 | 938 | >18.6 |
u | 397018 | 408678 | 892 | >19.2 |
Table 3. UVOT observations reported by Page et al. (GCN Circ. 15488). The start and stop times of the exposures are given in seconds since the BAT trigger. The preliminary 3-σ upper limits are given. No correction has been made for extinction in the Milky Way.