SVOM detects GRB 260915A with high SNR and precise localization.
AI Summary
GRB 260915A was detected by SVOM/ECLAIRs with a high signal-to-noise ratio and localized to a 4.12 arcmin radius. Follow-up X-ray observations by SVOM/MXT identified an uncatalogued X-ray source near the initial position, while optical searches yielded no new sources within the error box.
Measurements
| Event ID | sb26091501 |
|---|---|
| Source | SVOM |
| Alert type | GRB |
| Significance | high |
| Trigger time (UTC) | Tue, 15 Sep 2026 01:14:42 GMT |
| Right ascension (J2000) | 8.1504° |
| Declination (J2000) | 8.244° |
| Position error radius | 0.0138° |
| GCN notices | 3 |
| GCN circulars | 2 |
Notices (1)
SVOM — GRB · Tue, 15 Sep 2026 01:14:42 GMT
GCN Circulars (2)
GCN-45573 — GRB 260915A
· Tue, 15 Sep 2026 04:14:02 GMT
The SVOM mission team observed the field of GRB 260915A using the LCO 1m telescope at Cerro Tololo and Teide Observatories, but did not detect any new source within the error box. The upper limits for the optical observations were measured as r > 21.1 AB and z > 20.5 AB.
GCN-45570 — GRB 260915A
· Tue, 15 Sep 2026 01:39:08 GMT
The SVOM mission detected a gamma-ray burst, GRB 260915A, on September 15, 2026, at 01:12:03 UTC. The burst was localized with a 90% confidence radius of 4.12 arcmin and was also detected by SVOM/GRM with a significance of 8, leading to further observations by SVOM/MXT and VT.
AI summary generated Tue, 15 Sep 2026 04:38:22 GMT.