GRB Properties
Parameters calculated by MPE
| Property | Value | Error (1 σ statistical) |
|---|---|---|
| Trigger Number | 794237065 | |
| Trigger Time | March 03, 2026, 13:24:20 | |
| Data Timestamp | March 03, 2026, 14:46:47 | |
| Localization Timestamp | March 03, 2026, 15:12:33 | |
| Balrog Ra [deg] | 12.9 | 0.8 |
| Balrog Dec [deg] | -27.9 | 0.7 |
| Error radius 1 σ [deg] | 1.3 | |
| Error radius 2 σ [deg] | 3.1 | |
| Estimated systematic error [deg] | 1 | |
| Fitted Model | cutoff_powerlaw | |
| Spectral Parameter K [photons/cm^2/keV*s] | 0.28 | 0.071 |
| Spectral Parameter Index | -0.29 | 0.066 |
| Spectral Parameter XC [keV] | 1e+02 | 7 |
| Satellite Phi [deg] | 35.51 | |
| Satellite Theta [deg] | 23.93 |
Parameters from external Source
| Property | Value |
|---|---|
| Swift Ra [deg] | |
| Swift Dec [deg] | |
| Most likely | GRB 96.0% |
| Second most likely | GENERIC_TRANSIENT 3.0% |
GRB Location Alert
To circulars@gcn.nasa.gov
GRB 260303B: BALROG localization (Fermi Trigger 794237065 / GRB 260303559)
T. Preis (University of Innsbruck) & J. Greiner (MPE Garching) report:
The public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger
794237065 at 13:24:20 on 03 March 2026 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 is:
RA(2000.0) = 13.0 deg
Decl.(2000.0) = -27.8 deg
The 1 sigma statistical error radius is 1.3 deg.
We estimate an additional systematic error of 1 deg.
Further details are available at:
https://grb.mpe.mpg.de/grb/GRB260303559/
The Healpix map can be downloaded from:
https://grb.mpe.mpg.de/grb/GRB260303559/healpix
The location parameters are available as JSON at:
https://grb.mpe.mpg.de/grb/GRB260303559/json
GRB 260303B: BALROG localization (Fermi Trigger 794237065 / GRB 260303559)
T. Preis (University of Innsbruck) & J. Greiner (MPE Garching) report:
The public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger
794237065 at 13:24:20 on 03 March 2026 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 is:
RA(2000.0) = 13.0 deg
Decl.(2000.0) = -27.8 deg
The 1 sigma statistical error radius is 1.3 deg.
We estimate an additional systematic error of 1 deg.
Further details are available at:
https://grb.mpe.mpg.de/grb/GRB260303559/
The Healpix map can be downloaded from:
https://grb.mpe.mpg.de/grb/GRB260303559/healpix
The location parameters are available as JSON at:
https://grb.mpe.mpg.de/grb/GRB260303559/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
