GRB 221009A
Time: 14:10:17
Trigger Number: 1126853
Burst Advocate: Maia Williams
BAT Data:
| RA: a | 288.254 19:13:01.0 |
| Dec: a | 19.809 19:48:32.4 |
| 90% Error Radius: b | 2.4 |
| T90: c | 1068.40 |
| Fluence: d | 740 (10) |
| 1s Peak Photon Flux: e | 1.9 (0.3) |
| Photon Index: f | 2.08, PL (0.03) |
90% error in parentheses,
a J2000;
b arcmin;
c seconds;
d 10-7 erg/cm2 (15-150 keV);
e ph/cm2/sec (15-150 keV);
f PL = simple power-law, CPL = cutoff power-law (15-150 keV)
XRT Data:
| RA: a | 19:13:03.85 |
| Dec: a | 19:46:22.7 |
| 90% Error Radius: b | 3.5 |
| Time to First Observation: c | 91.60 |
| Early Flux: d | 2510 |
| 11 Hour Flux: d | n/a |
| 24 Hour Flux: d | n/a |
| Initial Temporal Index: | -0.12493 |
| Spectral Index (Gamma): | 1.836 |
| Column Density (NH): e | 5.4 |
Note: Please be aware that only the very basic temporal and spectral quantities are reported here. You are strongly encouraged to see the referenced GCN circulars for full details.
a J2000;
b arcsec;
c seconds;
d 10-11 erg/cm2/s (0.3-10 keV);
e 1021 cm-2
» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra
UVOT Data:
| RA: a | 19:13:03.48 |
| Dec: a | 19:46:24.6 |
| 90% Error Radius: b | 0.61 |
| Time to First Observation: c | 179 |
| V Magnitude: | V= 15.55 |
| Other Filter Magnitudes: | B=17.05 U=17.68 UVW1>18.2 UVW2>19.1 White=16.68 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:0.151 (VLT: absorption & emission from host)Host Galaxy:
0.1505 (GTC: absorption)
Other Observatory Detections:
MASTER-SAAO, Fermi (GBM & LAT), Liverpool, SCT (0.28m), IPN, BOOTES-2/TELMA (60cm), OSN (0.9m), Sayan Observatory (AZT-33IK), MeerLICHT (0.6m), Nanshan (0.6m), VLT, SCT (0.36m), AGILE, REM (60cm), AMI-LA (@15.5 GHz), SAAO (1.8m), ATA (@1.5, 3, 6, 8, and 10 GHz), LOAO (1m), INTEGRAL, Solar Orbiter STIX, GROWTH-India (0.7m), SRG/ART-XC, Burke-Gaffney (0.61m), Al Khatim (0.36m), Lulin (40cm), Konus-Wind, Lick/Nickel (1m), AZT-20, NOEMA (@90 GHz), LHAASO, BlackGEM, iTelescope (T24, 0.61m), Sintez-Newton (350mm), GRBAlpha, GTC (10.4m), COATLI (50cm), LCOGT (1m), NICER, NuSTAR, eMERLIN (@1.51 GHz), SMA (@ 230.7 GHz), Konkoly (RC80), GMG (2.4m), MITSuME (50cm), ASKAP (@ 888 MHz), Lowell Discovery Telescope (4.3m), MeerKAT (@ 1.284 GHz), RTT-150 (1.5m), SIRI-2, Gemini-South, HEBS, OHP (120cm), MAXI, VLA, Pan-STARRS, Large Binocular Telescope, ALMA & ACA (@ 97.5, 145, & 203 GHz), ATCA (@ 16.7, 21.2, 33, 35, 45 & 47 GHz), LEIA, Faulkes Telescope North, Medicina (@ 8.2 GHz), GRANDMA, BOAO (1.8m), TNG (3.6m), BepiColombo-MGNS, LBT, DFOT (1.3m), James Webb Space Telescope, SARA-RM (1m), VLBA (@15.2 GHz), HST, Japanese VLBI Network (@ 6.86 and 8.45 GHz), DAMPE, Las Cumbres Observatory (2m, MuSCAT3), EVN (@ 8.3 & 5 GHz)
Comments:
Originally thought to be Swift J1913.1+1946.
XRT: discovery of multiple dust-scattering X-ray rings around GRB 221009A
Detection as sudden ionospheric disturbances (SID), See GCN 32744 & 32745
References:
BAT: GCN 32632; GCN 32688
XRT: GCN 32632; GCN 32635; GCN 32651; GCN 32671; GCN 32680; GCN 33305; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 32632; GCN 32656
Radio: GCN 32653 (AMI-LA); GCN 32655 (ATA); GCN 32676 (NOEMA); GCN 32700 (eMERLIN); GCN 32707 (SMA); GCN 32736 (ASKAP); GCN 32740 (MeerKAT); GCN 32757 (VLA); GCN 32761 (ALMA &; ACA); GCN 32763 (ATCA); GCN 32766 (ATCA); GCN 32791 (Medicina); GCN 32907 (VLBA); GCN 32949 (Japanese VLBI Network); GCN 33243 (EVN); GCN 32763 (ATCA); GCN 32766 (ATCA); GCN 32791 (Medicina); GCN 32907 (VLBA); GCN 32949 (Japanese VLBI Network); GCN 33243 (EVN)
Redshift: GCN 32648 (VLT); GCN 32686 (GTC); GCN 32765 (VLT)
Host:
Other: GCN 32744; GCN 32745; GCN 32762; GCN 32780; GCN 32793; GCN 32808; GCN 32819; GCN 32828; GCN 32850