GRB Properties
Parameters calculated by MPE
| Property | Value | Error (1 σ statistical) |
|---|---|---|
| Trigger Number | 650479626 | |
| Trigger Time | Aug. 12, 2021, 16:47:01 | |
| Data Timestamp | Aug. 12, 2021, 18:06:25 | |
| Localization Timestamp | Aug. 12, 2021, 18:13:45 | |
| Balrog Ra [deg] | 62.1 | 4.2 |
| Balrog Dec [deg] | 71.7 | 0.8 |
| Error radius 1 σ [deg] | 1.2 | |
| Error radius 2 σ [deg] | 1.7 | |
| Estimated systematic error [deg] | 1 | |
| Fitted Model | cutoff_powerlaw | |
| Spectral Parameter K [photons/cm^2/keV*s] | 12 | 4.4 |
| Spectral Parameter Index | -1.1 | 0.087 |
| Spectral Parameter XC [keV] | 4e+02 | 8e+01 |
| Satellite Phi [deg] | 166.75 | |
| Satellite Theta [deg] | -66.68 |
Parameters from external Source
| Property | Value |
|---|---|
| Swift Ra [deg] | |
| Swift Dec [deg] | |
| Most likely | GRB 76.0% |
| Second most likely | DISTANT_PARTICLES 19.0% |
GRB Location Alert
GRB 210812A: BALROG localization (Fermi Trigger 650479626 / GRB 210812699)
F. Kunzweiler, B. Biltzinger, F. Berlato, J. Burgess & J. Greiner (all MPE Garching) report:
The public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger
650479626 at 16:47:01 on 12 Aug. 2021 were automatically fitted for spectrum
and sky location with BALROG (Burgess et al. 2018, MNRAS 476, 1427;
Berlato et al. 2019, ApJ 873, 60).
The best-fit position (1 sigma statistical errors) is:
RA(2000.0) = 62.1+/-4.2 deg
Decl.(2000.0) = 71.7+/-0.8 deg
We estimate an additional systematic error of 1 deg.
Further details are available at:
https://grb.mpe.mpg.de/grb/GRB210812699/
The Healpix map can be downloaded from:
https://grb.mpe.mpg.de/grb/GRB210812699/healpix
The location parameters are available as JSON at:
https://grb.mpe.mpg.de/grb/GRB210812699/json
F. Kunzweiler, B. Biltzinger, F. Berlato, J. Burgess & J. Greiner (all MPE Garching) report:
The public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger
650479626 at 16:47:01 on 12 Aug. 2021 were automatically fitted for spectrum
and sky location with BALROG (Burgess et al. 2018, MNRAS 476, 1427;
Berlato et al. 2019, ApJ 873, 60).
The best-fit position (1 sigma statistical errors) is:
RA(2000.0) = 62.1+/-4.2 deg
Decl.(2000.0) = 71.7+/-0.8 deg
We estimate an additional systematic error of 1 deg.
Further details are available at:
https://grb.mpe.mpg.de/grb/GRB210812699/
The Healpix map can be downloaded from:
https://grb.mpe.mpg.de/grb/GRB210812699/healpix
The location parameters are available as JSON at:
https://grb.mpe.mpg.de/grb/GRB210812699/json
GRB Location
J2000 Coordinate Frame
All Corner Plot
J2000 Coordinate Frame
Moll Location Plot
J2000 Coordinate Frame
Satellite
Spectrum Residuals Plot
3D - GRB Location Plot
Satellite Coordiante Frame
Light Curves
