| Summary table |
|---|
| Variable |
Value |
Source |
| GRB_name_Fermi |
GRB250202047 |
|
| T0 |
1:07:12.775 UTC |
Fermi_GBM |
| ra |
295.1700° |
Fermi_GBM |
| decl |
-29.0600° |
Fermi_GBM |
| pos_error |
4.49e+00° |
Fermi_GBM |
| T90 |
111.874 s |
Fermi_GBM |
| T90_error |
1.448 s |
Fermi_GBM |
| T90_start |
1:07:12.775 UTC |
Fermi_GBM |
| fluence |
1.88e-05 erg/cm² |
Fermi_GBM |
| fluence_error |
3.90e-08 erg/cm² |
Fermi_GBM |
| T100 |
111.874 s |
|
| GBM_located |
True |
|
| mjd |
60708.04667563657 |
Fermi_GBM |
| Fermi GBM table |
|---|
| GRB_name_Fermi |
GRB250202047 |
| trigger_name |
bn250202047 |
| ra |
295.1700° |
| decl |
-29.0600° |
| pos_error |
4.49e+00° |
| datum |
2025-02-02 |
| t_trigger |
1:08:03.464 UTC |
| T90 |
111.874 s |
| T90_error |
1.448 s |
| T90_start |
1:07:12.775 UTC |
| fluence |
1.88e-05 erg/cm² |
| fluence_error |
3.90e-08 erg/cm² |
| flux_1024 |
4.56e+00 erg/cm²/s |
| flux_1024_error |
2.25e-01 erg/cm²/s |
| flux_1024_time |
5.56e+01 erg/cm²/s |
| flux_64 |
7.39e+00 erg/cm²/s |
| flux_64_error |
1.12e+00 erg/cm²/s |
| GCN 39118 table |
|---|
| GRB_name |
GRB250202A |
| GCN_number |
39118 |
| Detection_method |
Fermi GBM final loc |
| t_trigger |
1:08:03 UTC |
| ra |
295.3000° |
| decl |
-35.0000° |
| Circular_text |
TITLE: GCN CIRCULAR
NUMBER: 39118
SUBJECT: GRB 250202A: Fermi GBM Final Real-time Localization
DATE: 25/02/02 01:18:35 GMT
FROM: Fermi GBM Team at MSFC/Fermi-GBM
The Fermi GBM team reports the detection of a likely LONG GRB
At 01:08:03 UT on 2 Feb 2025, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 250202A (trigger 760151288.464456 / 250202047).
The on-ground calculated location, using the Fermi GBM trigger data, is RA = 295.3, Dec = -35.0 (J2000 degrees, equivalent to J2000 19h 41m, -35d 00'), with a statistical uncertainty of 9.0 degrees.
The angle from the Fermi LAT boresight is 36.0 degrees.
The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250202047/quicklook/glg_skymap_all_bn250202047.png
The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250202047/quicklook/glg_healpix_all_bn250202047.fit
The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250202047/quicklook/glg_lc_medres34_bn250202047.gif
|