GRB 120804A
Redshift:
Host Galaxy:
Host Galaxy:
Gemini-North: likely hostOther Observatory Detections:
Gemini-North, EVLA @ 5.8 GHz, Konus-Wind, Chandra, XMM-Newton
Time: 00:54:14
Trigger Number: 529686
Burst Advocate: A. Lien
Burst Alert Telescope (BAT):
| RA (J2000) |
Dec (J2000) |
90% Error a Radius |
T90 b | Fluence c (15-150 keV) |
1-sec Peak d Photon Flux (15-150 keV) |
Photon Index e (15-150 keV) |
|---|---|---|---|---|---|---|
| 233.951 15:35:48.2 |
-28.768 -28:46:04.8 |
1.0 | 0.81 | 8.8 (0.5) | 10.8 (0.6) | 1.34, PL (0.08) |
90% error in parentheses,
a arcmin; b seconds; c 10-7 erg/cm2; d ph/cm2/sec; e PL = simple power-law, CPL = cutoff power-law
X-Ray Telescope (XRT):
| RA (J2000) |
Dec (J2000) |
90% Error a Radius |
Time to First b Observation |
Early Flux c (0.3-10 keV) |
11 Hour Flux c (0.3-10 keV) |
24 Hour Flux c (0.3-10 keV) |
Initial d LC Index |
Spectral Index (Gamma) |
Column e Density (NH) |
|---|---|---|---|---|---|---|---|---|---|
| 15:35:47.51 | -28:46:56.9 | 1.4 | 93.64 | n/a | 0.033590955 | 0.014205566 | -1.103 | 2.05668 | 4.05642 |
a arcsec; b seconds; c 10-11 erg/cm2/s; d temporal; e 1021 cm-2
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.
UltraViolet/Optical Telescope (UVOT):
| RA (J2000) |
Dec (J2000) |
90% Error a Radius |
Time to First b Observation |
Magnitude | Other Filter Magnitudes |
|---|---|---|---|---|---|
| n/a | n/a | n/a | 96 | V>20.6 | B>20.9 U>21.3 UVW1>20.3 UVM2>21.3 UVW2>21.0 White>22.0 |
a arcsec; b seconds
Comments:
UVOT: no detection
References:
BAT: GCN 13573; GCN 13581; GCN 13614
XRT: GCN 13573; GCN 13577; GCN 13580; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13573; GCN 13582
Radio: GCN 13587 (EVLA)
Redshift:
Host: GCN 13606 (Gemini-North)
Other: GCN Report 391.1
BAT Light Curve:
