GRB 210509A
Time: 14:32:20
Trigger Number: 1047531
Burst Advocate: Kim Page
BAT Data:
| RA: a | 350.363 23:21:27.1 |
| Dec: a | 6.650 06:39:00.0 |
| 90% Error Radius: b | 1.5 |
| T90: c | 8.22 |
| Fluence: d | 3.1 (0.4) |
| 1s Peak Photon Flux: e | 1.2 (0.2) |
| Photon Index: f | 0.76, CPL (1.00) |
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 | 23:21:30.15 |
| Dec: a | 06:40:16.5 |
| 90% Error Radius: b | 2.5 |
| Time to First Observation: c | 4412.6 |
| Early Flux: d | 10 |
| 11 Hour Flux: d | 0.0161632974 |
| 24 Hour Flux: d | 0.0062276254 |
| Initial Temporal Index: | -1.223 |
| Spectral Index (Gamma): | 1.62964 |
| Column Density (NH): e | 0.71063659998 |
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 | 3202 |
| V Magnitude: | V>19.0 |
| Other Filter Magnitudes: | B>19.5 U>19.6 UVW1>19.5 UVM2>20.3 UVW2>19.6 White>21.0 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
Due to an observing constraint, Swift did not slew until T0+50 minutes.
References:
BAT: GCN 29970; GCN 29975
XRT: GCN 29971; GCN 29973; GCN 29977; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 29978
Radio:
Redshift:
Host:
Other: