GRB Properties
Parameters calculated by MPE
| Property | Value | Error (1 σ statistical) |
|---|---|---|
| Trigger Number | 803286321 | |
| Trigger Time | June 16, 2026, 07:05:16 | |
| Data Timestamp | June 16, 2026, 08:03:43 | |
| Localization Timestamp | June 16, 2026, 08:15:57 | |
| Balrog Ra [deg] | 255.8 | 0.8 |
| Balrog Dec [deg] | -32.1 | 0.9 |
| Error radius 1 σ [deg] | 1.5 | |
| Error radius 2 σ [deg] | 2.5 | |
| Estimated systematic error [deg] | 1 | |
| Fitted Model | cutoff_powerlaw | |
| Spectral Parameter K [photons/cm^2/keV*s] | 6.3 | 0.67 |
| Spectral Parameter Index | -1 | 0.031 |
| Spectral Parameter XC [keV] | 5e+02 | 4e+01 |
| Satellite Phi [deg] | -174.37 | |
| Satellite Theta [deg] | 13.88 |
Parameters from external Source
| Property | Value |
|---|---|
| Swift Ra [deg] | |
| Swift Dec [deg] | |
| Most likely | DISTANT_PARTICLES 83.0% |
| Second most likely | GRB 16.0% |
GRB Location Alert
To circulars@gcn.nasa.gov
GRB 260616B: BALROG localization (Fermi Trigger 803286321 / GRB 260616295)
T. Preis (University of Innsbruck) & J. Greiner (MPE Garching) report:
The public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger
803286321 at 07:05:16 on 16 June 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) = 255.8 deg
Decl.(2000.0) = -32.1 deg
The 1 sigma statistical error radius is 1.5 deg.
We estimate an additional systematic error of 1 deg.
Further details are available at:
https://grb.mpe.mpg.de/grb/GRB260616295/
The Healpix map can be downloaded from:
https://grb.mpe.mpg.de/grb/GRB260616295/healpix
The location parameters are available as JSON at:
https://grb.mpe.mpg.de/grb/GRB260616295/json
GRB 260616B: BALROG localization (Fermi Trigger 803286321 / GRB 260616295)
T. Preis (University of Innsbruck) & J. Greiner (MPE Garching) report:
The public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger
803286321 at 07:05:16 on 16 June 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) = 255.8 deg
Decl.(2000.0) = -32.1 deg
The 1 sigma statistical error radius is 1.5 deg.
We estimate an additional systematic error of 1 deg.
Further details are available at:
https://grb.mpe.mpg.de/grb/GRB260616295/
The Healpix map can be downloaded from:
https://grb.mpe.mpg.de/grb/GRB260616295/healpix
The location parameters are available as JSON at:
https://grb.mpe.mpg.de/grb/GRB260616295/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
