- vsnet-grb-info - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-grb-info 38666] IPN triangulation of GRB 250404B
by GCN Circulars 05 Jun '25

05 Jun '25

TITLE: GCN CIRCULAR NUMBER: 40630 SUBJECT: IPN triangulation of GRB 250404B DATE: 25/06/05 15:32:58 GMT FROM: Anna Ridnaia at Ioffe Institute <ridnaia(a)mail.ioffe.ru> A.S. Kozyrev, D.V. Golovin, M.L. Litvak, I.G. Mitrofanov, and A.B. Sanin on behalf of the HEND/Mars Odyssey team, D. Svinkin, D. Frederiks, A. Lysenko, A. Ridnaia, and T. Cline on behalf of the Konus-Wind team, E. Burns on behalf of the IPN, S. Barthelmy, J. Cummings, H. Krimm, D. Palmer, A. Tohuvavohu, and J. … [View More]

1 0

[vsnet-grb-info 38665] IPN triangulation of GRB 250529A
by GCN Circulars 05 Jun '25

05 Jun '25

TITLE: GCN CIRCULAR NUMBER: 40629 SUBJECT: IPN triangulation of GRB 250529A DATE: 25/06/05 15:23:42 GMT FROM: Anna Ridnaia at Ioffe Institute <ridnaia(a)mail.ioffe.ru> A.S. Kozyrev, D.V. Golovin, M.L. Litvak, I.G. Mitrofanov, and A.B. Sanin on behalf of the HEND/Mars Odyssey team, D. Svinkin, D. Frederiks, A. Lysenko, A. Ridnaia, and T. Cline on behalf of the Konus-Wind team, A. Goldstein, M. S. Briggs, C. Wilson-Hodge, and E. Burns on behalf of the Fermi GBM team, S. … [View More]

1 0

[vsnet-grb-info 38664] The EP-WXT trigger 01709177837 is likely a flaring star
by GCN Circulars 05 Jun '25

05 Jun '25

TITLE: GCN CIRCULAR NUMBER: 40628 SUBJECT: The EP-WXT trigger 01709177837 is likely a flaring star DATE: 25/06/05 09:41:18 GMT FROM: EP Team at NAOC/CAS <ep_ta(a)bao.ac.cn> S. Q. Jiang (NAOC), T. C. Zheng (PMO), X. Y. Zhou (PRIC), H. W. Pan (NAOC) on behalf of the Einstein Probe (EP) team: The EP-WXT trigger 01709177837 at the time of 2025-06-05T09:24:19, is likely a stellar flare associated with RV Crt. The estimated flux of the flare is around 8e-11 erg/s/cm^2 in 0.5-4.0 keV, … [View More]

1 0

[vsnet-grb-info 38663] Fermi Gamma-ray Burst Monitor trigger 770470765/250601486 is not a GRB
by GCN Circulars 04 Jun '25

04 Jun '25

TITLE: GCN CIRCULAR NUMBER: 40627 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 770470765/250601486 is not a GRB DATE: 25/06/04 15:35:09 GMT FROM: Joe Mangan at IJCLab <joseph.mangan(a)ijclab.in2p3.fr> J. Mangan (IJCLab/CNRS) reports on behalf of the Fermi Gamma-ray Burst Monitor Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 770470765/250601486 at 11:39:20.34 UT on 01 June 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due … [View More]

1 0

[vsnet-grb-info 38662] GRB 250601A: PRIME H band upper limit.
by GCN Circulars 04 Jun '25

04 Jun '25

TITLE: GCN CIRCULAR NUMBER: 40626 SUBJECT: GRB 250601A: PRIME H band upper limit. DATE: 25/06/04 15:02:32 GMT FROM: N. Passaleva at Sapienza University of Rome <niccolo.passaleva(a)uniroma1.it> N. Passaleva (U Rome), O. Guiffreda (UMD), J. Durbak (UMD), M. Elkabir (U Rome), E. Troja (U Rome), A. S. Kutyrev (NASA/GSFC), S. B. Cenko (NASA/GSFC) Following the Fermi Gamma-ray Burst Monitor (GBM) detection (GCN 40596), and the Swift/BAT-GUANO arcminutes localization of same event, … [View More]

1 0

[vsnet-grb-info 38661] GRB 250530A: SVOM/GRM analysis
by GCN Circulars 04 Jun '25

04 Jun '25

TITLE: GCN CIRCULAR NUMBER: 40625 SUBJECT: GRB 250530A: SVOM/GRM analysis DATE: 25/06/04 03:52:55 GMT FROM: Chenwei Wang at IHEP <cwwang(a)ihep.ac.cn> SVOM/GRM team: Chen-Wei Wang, Chao Zheng, Shi-Jie Zheng, Yue Huang, Shao-Lin Xiong, Shuang-Nan Zhang (IHEP) SVOM/ECLAIRs team: M. G. Bernardini (INAF-OAB, LUPM) Report on behalf of the SVOM team: SVOM/GRM detected the burst GRB 250530A at 2025-05-30T06:31:54.99 UTC (T0), which is also detected by SVOM/ECLAIRs (Wang et al., GCN #… [View More]

1 0

[vsnet-grb-info 38660] GRB 250601A: PRIME J band upper limit.
by GCN Circulars 03 Jun '25

03 Jun '25

TITLE: GCN CIRCULAR NUMBER: 40624 SUBJECT: GRB 250601A: PRIME J band upper limit. DATE: 25/06/03 22:03:13 GMT FROM: N. Passaleva at Sapienza University of Rome <niccolo.passaleva(a)uniroma1.it> N. Passaleva (U Rome), O. Guiffreda (UMD), J. Durbak (UMD), M. Elkabir (U Rome), E. Troja (U Rome), A. S. Kutyrev (NASA/GSFC), S. B. Cenko (NASA/GSFC) Following the Fermi Gamma-ray Burst Monitor (GBM) detection (GCN 40596), and the Swift/BAT-GUANO arcminute localization of same event, … [View More]

1 0

[vsnet-grb-info 38659] Fermi Gamma-ray Burst Monitor trigger 770675211/250603852 is not a GRB
by GCN Circulars 03 Jun '25

03 Jun '25

TITLE: GCN CIRCULAR NUMBER: 40623 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 770675211/250603852 is not a GRB DATE: 25/06/03 21:37:43 GMT FROM: Lorenzo Scotton at UAH <lscottongcn(a)outlook.com> L. Scotton (UAH) reports on behalf of the Fermi Gamma-ray Burst Monitor Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 770675211/250603852 at 20:26:46.25 UT on 03 June 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to local … [View More]

1 0

[vsnet-grb-info 38658] GRB 250601A: VLT/FORS2 Optical Observation
by GCN Circulars 03 Jun '25

03 Jun '25

TITLE: GCN CIRCULAR NUMBER: 40622 SUBJECT: GRB 250601A: VLT/FORS2 Optical Observation DATE: 25/06/03 19:31:34 GMT FROM: Roberto Ricci at INAF-IRA <ricci(a)ira.inaf.it> Roberto Ricci (U Rome), Yu-Han Yang (U Rome), Rosa L. Becerra (U Rome) and Eleonora Troja (U Rome) report on behalf of the ERC BHianca team: We observed the field of GRB 250601A (Fermi GBM team GCN 40596; DeLaunay et al., GCN 40600) with the FORS2 imager on the ESO VLT UT1 (Antu). Observations began 29.8 hours … [View More]

1 0

[vsnet-grb-info 38657] GRB 250601A: Fermi GBM Observation
by GCN Circulars 03 Jun '25

03 Jun '25

TITLE: GCN CIRCULAR NUMBER: 40621 SUBJECT: GRB 250601A: Fermi GBM Observation DATE: 25/06/03 15:42:16 GMT FROM: Vidushi Sharma at NASA GSFC/UMBC <vidushi.sharma(a)nasa.gov> V. Sharma (NASA-GSFC/UMBC) and C. Meegan (UAH) report on behalf of the Fermi Gamma-ray Burst Monitor Team: "At 17:29:35 UT on 1 Jun 2025, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 250601A (trigger 770491780 / 250601729). which was also detected by Swift/BAT-GUANO (J. DeLaunay et al. … [View More]

1 0

2025

2024

2023

2022

2021

vsnet-grb-info