GRB241115B

This page lists all entries on GRB241115B in GRBweb

Summary Fermi GBM GCN 38241 GCN 38244 GCN 38260 GCN 38271

Summary table
Variable Value Source
GRB_name_Fermi GRB241115755
T0 18:07:25 UTC GCN_circulars,Fermi GBM final loc
ra 31.7500° Fermi_GBM
decl 44.9700° Fermi_GBM
pos_error 6.45e+00° Fermi_GBM
T90 70.654 s Fermi_GBM
T90_error 2.064 s Fermi_GBM
T90_start 18:07:25.971 UTC Fermi_GBM
fluence 3.98e-06 erg/cm² Fermi_GBM
fluence_error 3.11e-08 erg/cm² Fermi_GBM
T100 71.625 s
GBM_located True
mjd 60629.75515046297 GCN_circulars,Fermi GBM final loc
Fermi GBM table
GRB_name_Fermi GRB241115755
trigger_name bn241115755
ra 31.7500°
decl 44.9700°
pos_error 6.45e+00°
datum 2024-11-15
t_trigger 18:07:25.968 UTC
T90 70.654 s
T90_error 2.064 s
T90_start 18:07:25.971 UTC
fluence 3.98e-06 erg/cm²
fluence_error 3.11e-08 erg/cm²
flux_1024 3.22e+00 erg/cm²/s
flux_1024_error 2.21e-01 erg/cm²/s
flux_1024_time 1.38e+01 erg/cm²/s
flux_64 1.39e+01 erg/cm²/s
flux_64_error 1.47e+00 erg/cm²/s
GCN 38241 table
GRB_name GRB241115B
GCN_number 38241
Detection_method Fermi GBM final loc
t_trigger 18:07:25 UTC
ra 31.8000°
decl 45.0000°
Circular_text TITLE: GCN CIRCULAR NUMBER: 38241 SUBJECT: GRB 241115B: Fermi GBM Final Real-time Localization DATE: 24/11/15 18:18:08 GMT FROM: Fermi GBM Team at MSFC/Fermi-GBM The Fermi GBM team reports the detection of a likely LONG GRB At 18:07:25 UT on 15 Nov 2024, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 241115B (trigger 753386850.967696 / 241115755). The on-ground calculated location, using the Fermi GBM trigger data, is RA = 31.8, Dec = 45.0 (J2000 degrees, equivalent to J2000 02h 07m, 45d 00'), with a statistical uncertainty of 9.2 degrees. The angle from the Fermi LAT boresight is 97.0 degrees. The skymap can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn241115755/quicklook/glg_skymap_all_bn241115755.png The HEALPix FITS file, including the estimated localization systematic, can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn241115755/quicklook/glg_healpix_all_bn241115755.fit The GBM light curve can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn241115755/quicklook/glg_lc_medres34_bn241115755.gif
GCN 38244 table
GRB_name GRB241115B
GCN_number 38244
Detection_method Fermi GBM Other
Circular_text TITLE: GCN CIRCULAR NUMBER: 38244 SUBJECT: Fermi GRB 241115B: Global MASTER-Net observations report DATE: 24/11/15 20:00:52 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V.Lipunov, E.Gorbovskoy, N.Tiurina, P.Balanutsa, , D.Vlasenko, I.Panchenko, A.Kuznetsov, G.Antipov, A.Sankovich, A.Sosnovskij, Yu.Tselik, M.Gulyaev, Ya.Kechin, V.Senik, A.Chasovnikov, K.Labsina, I. Gorbunov (Lomonosov MSU), O.Gress, N.Budnev (ISU), C.Francile, F. Podesta, R.Podesta, E. Gonzalez (Observatorio Astronomico Felix Aguilar (OAFA), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), A. Gabovich, V.Yurkov (Blagoveschensk Educational StateUniversity) D.Buckley (SAAO), R.Rebolo (The Instituto de Astrofisica de Canarias), L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez, A.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory) MASTER-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB 241115B ( Fermi GBM team, GCN 38241) errorbox 5337 sec after notice time and 5370 sec after trigger time at 2024-11-15 19:36:56 UT, with upper limit up to 16.8 mag. The observations began at zenith distance = 77 deg. The sun altitude is -25.5 deg. The galactic latitude b = -15 deg., longitude l = 137 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2671334 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 5400 | 2024-11-15 19:36:56 | MASTER-SAAO | (01h 09m 37.94s , +44d 33m 45.2s) | C | 60 | 16.6 | 6289 | 2024-11-15 19:51:44 | MASTER-SAAO | (01h 09m 58.65s , +44d 32m 52.9s) | C | 60 | 16.8 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.
GCN 38260 table
GRB_name GRB241115B
GCN_number 38260
Detection_method Swift Other
Circular_text TITLE: GCN CIRCULAR NUMBER: 38260 SUBJECT: GRB 241115B: Swift/BAT-GUANO localization skymap of a long burst DATE: 24/11/17 03:54:42 GMT FROM: Samuele Ronchini at PSU Samuele Ronchini (PSU), James DeLaunay (PSU), Aaron Tohuvavohu (Caltech), Gayathri Raman (PSU), Jamie A. Kennea (PSU), Tyler Parsotan (NASA GSFC) report: Swift/BAT did not localize GRB 241115B onboard (T0: 2024-11-15T18:07:25.97 UTC, Fermi GCN 38241) The Fermi notice, distributed in near real-time, triggered the Swift Mission Operations Center operated Gamma-ray Urgent Archiver for Novel Opportunities (GUANO; Tohuvavohu et al. 2020, ApJ, 900, 1). Upon trigger by this notice, GUANO sent a command to the Swift Burst Alert Telescope (BAT) to save 200 seconds of BAT event-mode data from [-50,+150] seconds around the time of the burst. All the requested event mode data was delivered to the ground. The BAT likelihood search, NITRATES (DeLaunay + Tohuvavohu 2022, ApJ, 941, 169), performed on the temporal window [T0-20 s, T0+20 s], detects the burst with a sqrt(TS) of 15.25 in a 2.048 s analysis time bin, starting at T0 + 12.8001 s. Using the NITRATES analysis, parameter estimation was performed to obtain the localization of this burst in the form of a HEALPIX Multi-Order Coverage (MOC) skymap. This localization accounts for both statistical and systematic errors. More details in the creation and calibration of these maps will soon be published (DeLaunay et al. 2024. in prep) The 90% credible area is 12371 deg2 and the 50% credible area is 3770 deg2. The integrated probability inside the coded field of view is <1%. The NITRATES skymap is consistent with the Fermi localization reported in the final position notice. The combined Fermi/GBM+NITRATES 90% credible area is 286 deg2 and the 50% credible area is 82 deg2. A plot of the probability skymap can be viewed here: [skymap_plot](https://guano.swift.psu.edu/trigger_report?id=753386880/#:~:text=Probability%20Skymap) The probability skymap file can be downloaded from the link here [skymap_fits_file](https://guano.swift.psu.edu/files/753386880/0_n_PROBMAP) Instructions on how to read and manipulate this map can be found here: https://guano.swift.psu.edu/documentation More details about this burst can be found on the trigger report page here: https://guano.swift.psu.edu/trigger_report?id=753386880 GUANO is a fully autonomous, extremely low latency, spacecraft commanding pipeline designed for targeted recovery of BAT event mode data around the times of compelling astrophysical events to enable more sensitive GRB searches. A live reporting of Swift/BAT event data recovered by GUANO can be found at: https://www.swift.psu.edu/guano/
GCN 38271 table
GRB_name GRB241115B
GCN_number 38271
Detection_method Fermi GBM Det
t_trigger 18:07:25.970 UTC
Circular_text TITLE: GCN CIRCULAR NUMBER: 38271 SUBJECT: GRB 241115B: Fermi GBM Observation DATE: 24/11/18 20:06:33 GMT FROM: oindabimukherjee@gmail.com O. Mukherjee (USRA), S. Bala (USRA) and C. Meegan (UAH) report on behalf of the Fermi Gamma-ray Burst Monitor Team: "At 18:07:25.97 UT on 15 November 2024, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 241115B (trigger 753386850/241115755). which was also detected by Swift/BAT-NITRATES (Ronchini et al. 2024, GCN 38260). The Fermi GBM on-ground location was reported in GCN 38241. The angle from the Fermi LAT boresight is 97 degrees. The GBM light curve consists of multiple peaks with a duration (T90) of about 71 s (50-300 keV). The time-averaged spectrum from T0-8.9 to T0+70.9 s is best fit by a power law function with an exponential high-energy cutoff. The power law index is -1.04 +/- 0.09 and the cutoff energy, parameterized as Epeak, is 833 +/- 263 keV. The event fluence (10-1000 keV) in this time interval is (9.9 +/- 0.5)E-06 erg/cm^2. The 1-sec peak photon flux measured starting from T0+14 s in the 10-1000 keV band is 3.2 +/- 0.2 ph/s/cm^2. A Band function fits the spectrum equally well with Epeak = 780 +/- 272 keV, alpha = -1.03 +/- 0.09 and beta = -2.65 +/- 1.39. The spectral analysis results presented above are preliminary; final results will be published in the GBM GRB Catalog: https://heasarc.gsfc.nasa.gov/W3Browse/fermi/fermigbrst.html For Fermi GBM data and info, please visit the official Fermi GBM Support Page: https://fermi.gsfc.nasa.gov/ssc/data/access/gbm/"