GRB 180404A
Time: 00:45:35
Trigger Number: 821881
Burst Advocate: Jeff Gropp
BAT Data:
RA: a | 83.540 05:34:09.6 |
Dec: a | -37.168 -37:10:04.8 |
90% Error Radius: b | 1.1 |
T90: c | 35.2 |
Fluence: d | 13 (1) |
1s Peak Photon Flux: e | 1.3 (0.2) |
Photon Index: f | 1.95, PL (0.12) |
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 | 05:34:11.74 |
Dec: a | -37:10:04.8 |
90% Error Radius: b | 1.9 |
Time to First Observation: c | 86.46 |
Early Flux: d | n/a |
11 Hour Flux: d | 0.066478159 |
24 Hour Flux: d | 0.04346353 |
Initial Temporal Index: | -0.5447 |
Spectral Index (Gamma): | 1.62007 |
Column Density (NH): e | 0.307114640277 |
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 | 05:34:11.64 |
Dec: a | -37:10:03.9 |
90% Error Radius: b | 0.50 |
Time to First Observation: c | 90 |
V Magnitude: | V>18.9 |
Other Filter Magnitudes: | B>19.4 U=18.95 UVW1>17.8 UVM2>17.4 UVW2=19.45 White=19.34 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.000 (VLT: absorption)Host Galaxy:
Other Observatory Detections:
VLT, MASTER-OAFA, Faulkes South (2m)
Comments:
References:
BAT: GCN 22589; GCN 22599
XRT: GCN 22589; GCN 22592; GCN 22602; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 22589; GCN 22605
Radio:
Redshift: GCN 22591 (VLT)
Host:
Other: