GRB 070318
Time: 07:28:56
Trigger Number: 271019
Burst Advocate: Jay Cummings
BAT Data:
| RA: a | 48.486 03:13:56.6 |
| Dec: a | -42.950 -42:57:00.0 |
| 90% Error Radius: b | 1.0 |
| T90: c | 74.600 |
| Fluence: d | 24.80 (1.12) |
| 1s Peak Photon Flux: e | 1.76 (0.15) |
| Photon Index: f | 1.42, PL (0.08) |
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)
BAT Light Curve:
XRT Data:
| RA: a | 03:13:56.77 |
| Dec: a | -42:56:47.3 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 63.58 |
| Early Flux: d | 261 |
| 11 Hour Flux: d | 0.12982076 |
| 24 Hour Flux: d | 0.06677219 |
| Initial Temporal Index: | -0.773 |
| Spectral Index (Gamma): | 1.97117 |
| Column Density (NH): e | 7.54446 |
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 | 03:13:56.83 |
| Dec: a | -42:56:46.3 |
| 90% Error Radius: b | 0.5 |
| Time to First Observation: c | 180 |
| V Magnitude: | V=15.43 |
| Other Filter Magnitudes: | B=16.25 U=15.89 UVW1=16.89 UVM2=17.97 UVW2=18.03 White=15.53 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:0.836 (VLT: absorption)Host Galaxy:
0.840 (Gemini/Magellan: absorption)
Other Observatory Detections:
VLT, Gemini South, Magellan Baade, CTIO (1.3m)
Comments:
UVOT: flattening of the lightcurve (not due to host galaxy)
References:
BAT: GCN 6210; GCN 6212; arXiv:0707.4626
XRT: GCN 6210; GCN 6214; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 6210; GCN 6213; GCN 6215; GCN 6220
Radio:
Redshift: GCN 6216 (VLT); GCN 6217 (Gemini/Magellan)
Host:
Other: GCN Report 40.1
GCN Report 40.2