Menu

GRB 220521A

Time: 23:20:21
Trigger Number: 1107466
Burst Advocate: Simone Dichiara

BAT Data:

RA: a 275.218
18:20:52.3
Dec: a 10.372
10:22:19.2
90% Error Radius: b 1.7
T90: c 13.55
Fluence: d 8.1 (0.8)
1s Peak Photon Flux: e 4.7 (0.4)
Photon Index: f 1.97, PL (0.18)

90% error in parentheses,
a J2000; b arcmin; c seconds; d 10-7 erg/cm2 (15-150 keV); e ph/cm2/sec (15-150 keV); f PL = simple power-law, CPL = cutoff power-law (15-150 keV)

XRT Data:

RA: a 18:20:55.15
Dec: a 10:22:18.4
90% Error Radius: b 2.1
Time to First Observation: c 96.34
Early Flux: d n/a
11 Hour Flux: d 0.008017632
24 Hour Flux: d 0.002107206
Initial Temporal Index: 0.3162
Spectral Index (Gamma): 2.02179
Column Density (NH): e 7.14942

Note: Please be aware that only the very basic temporal and spectral quantities are reported here. You are strongly encouraged to see the referenced GCN circulars for full details.
a J2000; b arcsec; c seconds; d 10-11 erg/cm2/s (0.3-10 keV); e 1021 cm-2

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UVOT Data:

RA: a n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c 99
V Magnitude: V>19.5
Other Filter Magnitudes: B>20.4
U>19.4
UVW1>20.2
UVM2>19.7
UVW2>19.7
White>21.5

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
5.6 (NOT: absorption)
5.57 (Gemini-South)
Host Galaxy:
Other Observatory Detections:
Fermi (GBM), NOT, SAO RAS (1m), LCO (1m), MMT (6.5m), Gemini-South, ISON-Castelgrande, INTEGRAL, ALMA @ 97.5 GHz, ATCA @ 39 GHz

Comments:

UVOT: no detection

References:

BAT: GCN 32076; GCN 32090
XRT: GCN 32076; GCN 32077; GCN 32081; GCN 32086; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 32076; GCN 32085
Radio: GCN 32110 (ALMA); GCN 32111 (ATCA)
Redshift: GCN 32079 (NOT); GCN 32099 (Gemini-South)
Host:
Other: