This is the Analysis page for GRB231018521: GRB231018521

Version History of Data Files: v00 h00

GRB Properties

Parameters calculated by MPE

Property Value Error (1 σ statistical)
Trigger Number 719325015
Trigger Time Oct. 18, 2023, 12:30:10
Data Timestamp Oct. 18, 2023, 12:39:30
Localization Timestamp Oct. 18, 2023, 12:54:52
Balrog Ra [deg] 352.1 349.2
Balrog Dec [deg] 48.2 1.0
Error radius 1 σ [deg] 7.1
Error radius 2 σ [deg] 8.4
Estimated systematic error [deg] 1
Fitted Model cutoff_powerlaw
Spectral Parameter K [photons/cm^2/keV*s] 1.7e+02 44
Spectral Parameter Index -1.5 0.062
Spectral Parameter XC [keV] 2e+02 4e+01
Satellite Phi [deg] 152.19
Satellite Theta [deg] -47.02

Parameters from external Source

Property Value
Swift Ra [deg]
Swift Dec [deg]
Most likely GRB 97.0%
Second most likely GENERIC_SGR 1.0%

GRB Location Alert

To circulars@gcn.nasa.gov

GRB 231018A: BALROG localization (Fermi Trigger / GRB 231018521)

T. Preis, B. Biltzinger, J. Burgess & J. Greiner (all MPE Garching) report:

The public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger
at 12:30:10 on 18 Oct. 2023 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) = 1.2+/-0.5 deg
Decl.(2000.0) = 51.5+/-0.2 deg
We estimate an additional systematic error of 1 deg.

Further details are available at:
https://grb.mpe.mpg.de/grb/GRB231018521/

The Healpix map can be downloaded from:
https://grb.mpe.mpg.de/grb/GRB231018521/healpix

The location parameters are available as JSON at:
https://grb.mpe.mpg.de/grb/GRB231018521/json

GRB Location

J2000 Coordinate Frame

All Corner Plot

J2000 Coordinate Frame

Moll Location Plot

J2000 Coordinate Frame

Satellite

3D - GRB Location Plot

Satellite Coordiante Frame

Light Curves

data/GRB231018521/plots/231018_125515885365_GRB231018521_lightcurve_trigdat_detector_b0_plot_v00.png
Lightcurve detector b0
data/GRB231018521/plots/231018_125515668861_GRB231018521_lightcurve_trigdat_detector_b1_plot_v00.png
Lightcurve detector b1
data/GRB231018521/plots/231018_125518497258_GRB231018521_lightcurve_trigdat_detector_n0_plot_v00.png
Lightcurve detector n0
data/GRB231018521/plots/231018_125518276376_GRB231018521_lightcurve_trigdat_detector_n1_plot_v00.png
Lightcurve detector n1
data/GRB231018521/plots/231018_125518067328_GRB231018521_lightcurve_trigdat_detector_n2_plot_v00.png
Lightcurve detector n2
data/GRB231018521/plots/231018_125517846104_GRB231018521_lightcurve_trigdat_detector_n3_plot_v00.png
Lightcurve detector n3
data/GRB231018521/plots/231018_125517632300_GRB231018521_lightcurve_trigdat_detector_n4_plot_v00.png
Lightcurve detector n4
data/GRB231018521/plots/231018_125517405349_GRB231018521_lightcurve_trigdat_detector_n5_plot_v00.png
Lightcurve detector n5
data/GRB231018521/plots/231018_125517180148_GRB231018521_lightcurve_trigdat_detector_n6_plot_v00.png
Lightcurve detector n6
data/GRB231018521/plots/231018_125516967318_GRB231018521_lightcurve_trigdat_detector_n7_plot_v00.png
Lightcurve detector n7
data/GRB231018521/plots/231018_125516744686_GRB231018521_lightcurve_trigdat_detector_n8_plot_v00.png
Lightcurve detector n8
data/GRB231018521/plots/231018_125516524996_GRB231018521_lightcurve_trigdat_detector_n9_plot_v00.png
Lightcurve detector n9
data/GRB231018521/plots/231018_125516314328_GRB231018521_lightcurve_trigdat_detector_na_plot_v00.png
Lightcurve detector na
data/GRB231018521/plots/231018_125516101993_GRB231018521_lightcurve_trigdat_detector_nb_plot_v00.png
Lightcurve detector nb