GRB200318A

This page lists all entries on GRB200318A in GRBweb

Summary Fermi GBM GCN 27412 GCN 27413 GCN 27426

Summary table
Variable Value Source
GRB_name_Fermi GRB200318941
T0 22:35:26.966 UTC Fermi_GBM
ra 123.4500° Fermi_GBM
decl 59.0700° Fermi_GBM
pos_error 2.71e+00° Fermi_GBM
T90 10.24 s Fermi_GBM
T90_error 1.619 s Fermi_GBM
T90_start 22:35:26.966 UTC Fermi_GBM
fluence 2.91e-06 erg/cm² Fermi_GBM
fluence_error 2.38e-08 erg/cm² Fermi_GBM
T100 10.24 s
GBM_located True
mjd 58926.94128432871 Fermi_GBM
Fermi GBM table
GRB_name_Fermi GRB200318941
trigger_name bn200318941
ra 123.4500°
decl 59.0700°
pos_error 2.71e+00°
datum 2020-03-18
t_trigger 22:35:27.222 UTC
T90 10.24 s
T90_error 1.619 s
T90_start 22:35:26.966 UTC
fluence 2.91e-06 erg/cm²
fluence_error 2.38e-08 erg/cm²
flux_1024 3.36e+00 erg/cm²/s
flux_1024_error 2.16e-01 erg/cm²/s
flux_1024_time 1.98e+00 erg/cm²/s
flux_64 4.79e+00 erg/cm²/s
flux_64_error 1.02e+00 erg/cm²/s
GCN 27412 table
GRB_name GRB200318A
GCN_number 27412
Detection_method Fermi GBM final loc
t_trigger 22:35:27 UTC
ra 123.4000°
decl 59.1000°
Circular_text TITLE: GCN CIRCULAR NUMBER: 27412 SUBJECT: GRB 200318A: Fermi GBM Final Real-time Localization DATE: 20/03/18 22:45:44 GMT FROM: Fermi GBM Team at MSFC/Fermi-GBM The Fermi GBM team reports the detection of a likely LONG GRB At 22:35:27 UT on 18 Mar 2020, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 200318A (trigger 606263732.221512 / 200318941). The on-ground calculated location, using the Fermi GBM trigger data, is RA = 123.4, Dec = 59.1 (J2000 degrees, equivalent to J2000 08h 13m, 59d 06'), with a statistical uncertainty of 1.0 degrees. The angle from the Fermi LAT boresight is 14.0 degrees. The skymap can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200318941/quicklook/glg_skymap_all_bn200318941.png The HEALPix FITS file, including the estimated localization systematic, can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200318941/quicklook/glg_healpix_all_bn200318941.fit The GBM light curve can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200318941/quicklook/glg_lc_medres34_bn200318941.gif
GCN 27413 table
GRB_name GRB200318A
GCN_number 27413
Detection_method Fermi GBM Other
Circular_text TITLE: GCN CIRCULAR NUMBER: 27413 SUBJECT: Fermi trigger No 606263732: Global MASTER-Net observations report DATE: 20/03/18 23:00:12 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva, D.Kuvshinov, D. Cheryasov (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), H.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias), D. Buckley (South African Astronomical Observatory), O.A. Gres, N.M. Budnev, O.Ershova (Irkutsk State University, API), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), V. Yurkov, A. Gabovich, Yu. Sergienko (Blagoveschensk Educational State University) MASTER-Tavrida robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB 200318A ( Fermi GBM team, GCN 27412) errorbox 55 sec after notice time and 82 sec after trigger time at 2020-03-18 22:36:50 UT, with upper limit up to 20.0 mag. The observations began at zenith distance = 42 deg. The sun altitude is -45.4 deg. The galactic latitude b = 34 deg., longitude l = 158 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1316766 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 93 | 2020-03-18 22:36:50 | MASTER-Tavrida | (08h 19m 21.28s , +56d 57m 36.1s) | C | 20 | 17.9 | 147 | 2020-03-18 22:37:39 | MASTER-Tavrida | (08h 24m 37.29s , +56d 33m 38.1s) | C | 30 | 18.3 | 182 | 2020-03-18 22:37:39 | MASTER-Tavrida | (08h 24m 37.30s , +56d 33m 38.2s) | C | 100 | 19.0 | Coadd 198 | 2020-03-18 22:38:29 | MASTER-Tavrida | (08h 24m 30.80s , +56d 32m 51.9s) | C | 30 | 18.3 | 253 | 2020-03-18 22:39:20 | MASTER-Tavrida | (08h 24m 30.94s , +56d 33m 52.4s) | C | 40 | 18.5 | 324 | 2020-03-18 22:40:21 | MASTER-Tavrida | (08h 24m 36.88s , +56d 32m 52.9s) | C | 60 | 18.8 | 404 | 2020-03-18 22:40:21 | MASTER-Tavrida | (08h 24m 36.88s , +56d 32m 52.9s) | C | 220 | 19.6 | Coadd 410 | 2020-03-18 22:41:41 | MASTER-Tavrida | (08h 24m 31.25s , +56d 31m 52.8s) | C | 70 | 19.0 | 510 | 2020-03-18 22:43:12 | MASTER-Tavrida | (08h 24m 37.47s , +56d 32m 22.9s) | C | 90 | 19.0 | 630 | 2020-03-18 22:45:02 | MASTER-Tavrida | (08h 20m 46.62s , +59d 11m 30.9s) | C | 110 | 19.2 | 785 | 2020-03-18 22:45:02 | MASTER-Tavrida | (08h 20m 46.62s , +59d 11m 30.9s) | C | 420 | 20.0 | Coadd 776 | 2020-03-18 22:47:13 | MASTER-Tavrida | (08h 20m 49.34s , +59d 13m 12.9s) | C | 140 | 19.3 | 952 | 2020-03-18 22:49:54 | MASTER-Tavrida | (08h 20m 43.99s , +59d 12m 16.3s) | C | 170 | 19.5 | 1148 | 2020-03-18 22:53:05 | MASTER-Tavrida | (08h 20m 44.65s , +59d 13m 13.8s) | C | 180 | 19.6 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.
GCN 27426 table
GRB_name GRB200318A
GCN_number 27426
Detection_method AstroSat CZTI
Circular_text TITLE: GCN CIRCULAR NUMBER: 27426 SUBJECT: GRB 200318A : AstroSat CZTI detection DATE: 20/03/24 12:17:59 GMT FROM: Soumya Gupta at IUCAA/ASTROSAT S. Gupta, V. Sharma and D. Bhattacharya (IUCAA), V. Bhalerao (IIT-B), A. R. Rao (TIFR) and S. Vadawale (PRL) report on behalf of the AstroSat CZTI collaboration: Analysis of AstroSat CZTI data showed the detection of a long GRB 200318A, which was also detected by Fermi GBM (GCN #27412).​ The source was clearly detected in the 40-200 keV energy range. The light curve shows a single peak of emission peaking at​ 2020-03-18​ 22:35:27​ UT. The measured peak count rate associated with the burst is​ 197 +/- 21.6​ cts/s above the background in the combined data of four quadrants, with a total of​ 990 +/- 48.8​ cts. The local mean background count rate was 566 +/- 3.1 cts/s. Using cumulative rates, we measure a T90 of 10.1 +/- 0.33 s. It was also detected in the CsI anticoincidence (Veto) detector in the 100-500 keV energy range. CZTI GRB detections are reported regularly on the payload site at​ http://astrosat.iucaa.in/czti/?q=grb. CZTI is built by a TIFR-led consortium of institutes across India, including VSSC, ISAC, IUCAA, SAC and PRL. The Indian Space Research Organisation funded, managed and facilitated the project.