AMI-GRB

The Arcminute Microkelvin Imager (AMI) Large Array robotically triggers on Swift transients (ALARRM mode), majority of which are gamma-ray bursts (GRBs). We follow up GRBs in the northern hemisphere on logarithmic timescales between 1 hour and 10 days post-burst to look for radio afterglows at 15 GHz. This webpage contains the database of all the AMI-LA follow up observations since March 2016. All reported upper limits are 3σ. An absolute calibration uncertainty of 10% is not included in the table below. Please acknowledge AMI-GRB and 4pisky if you use this database in publications. The database is maintained by Kunal Mooley and Tim Staley.

 


GRB Time of
Discovery (UT)
AMI GCN Date (UT) S (μJy)
170318B 15:27 20957 170319.11
170321.17
170323.24
<300
<150
<315

170318A 12:11 20956 170318.55
170321.50
<159
<93

170317A 09:45 20955 170317.59
170318.78
170320.79
170322.78
<126
<246
<84
<111
170307A 20:24 20880 170313.57 <90
170206B 21:57 20787 170208.37
170209.38
170211.35
170214.43
170215.46
<123
<108
<240
<108
<108
170203A 00:03 20667 170203.37
170204.56
170206.56
170210.55
<183
<84
<75
<171
170202A 18:28 20666 170202.87
170204.00
170206.04
170207.01
170209.00
<451
<69
<81
<352
<105
170115A 20:50 20529 170116.42
170117.59
170118.67
170123.51
<300
<78
<72
<81
170105A
(POLAR)
06:14 20425
(LVC)
170108.03
170112.03
170114.02
170115.03
170116.03
170117.03
170118.03
170119.04
170120.04
170121.01
170122.97
170124.01
353±17
183±19
142±19
122±20
118±27
118±27
81±23
149±21
84±28
<81
<84
82±18
170101A 02:26 20449 170103.33
170104.45
170105.46
170107.45
<105
<132
<78
<120
161217A 01:27 20447 161223.16
161224.15
161227.17
<84
<66
<77
161214B 17:20 20453 161214.76
161216.76
161218.75
161221.74
<96
<87
<85
<104
161202A 23:12 20318 161203.93
161205.77
<200
<121
161129A 07:11 20317 161129.50
161130.72
161202.69
161206.68
<120
<102
<90
<117
161108A 03:32 20200 161108.19
161109.40
161112.35
161115.36
<378
<284
<190
<93
161022A 02:43 20143 161022.15
161023.26
161026.22
161029.31
<135
<93
<105
<105
161017A 17:51 20142 161018.14
161019.33
161021.30
161025.31
161028.19
161103.24
161105.20
161107.19
<132
<84
<63
<78
<81
<87
<87
<81
161015A 17:03 20116 161017.75
161018.73
161020.70
161024.65
<105
<96
<147
<78
161014A 12:31 20115 161014.67
161015.85
161017.85
161020.85
<225
<285
<129
<228
161011A 05:54 20084 161011.44
161013.66
161014.60
161018.56
<171
<117
<108
<147
161007A 21:25 20083 161008.05
161009.25
161011.25
161015.25
<372
<273
<333
<222
160927A 18:04 19978 160927.79
160928.70
160929.70
<132
<119
<86
160917A 11:30 19951 160917.65
160920.87
160924.87
<150
<84
<90
160912A 16:07 19950 160912.72
160913.81
160918.87
<147
<258
<102
160910A 17:20 19937 160912.65
160913.68
160915.67
160920.68
791±55
1151±82
840±146
462±39
160824A 23:22 19899 160825.11
160826.27
160828.29
160901.29
<444
<126
<117
<117
160821B 22:29 19898 160822.85
160823.82
160825.83
160903.83
<138
<336
<129
<171
160821A 20:34 19893 160822.55
160823.56
160825.56
160829.56
<87
<108
<108
<102
160816A 17:31 19892 160818.02
160819.06
160903.02
<111
129±32
<168
160815A 11:45
160804A 01:32 19813 160804.85
160805.75
160807.75
160811.75
160816.67
<141
189±46
583±40
292±34
168±38
160801A 09:28 19812 160802.75
160804.75
160808.73
<147
<123
<126
160714A 02:19 19811 160714.65
160717.85
160721.85
160825.70
<150
<213
<132
<126
160705B 21:02 19738 160705.89
160706.73
160708.74
160712.72
160828.56
<177
<102
<132
<213
<155
160703A 12:10 19737 160704.99
160707.00
160711.00
160828.87
<150
<210
<120
<177
160629A
(INTEGRAL)
22:19 19689 160701.23
160702.23
160704.19
160708.19
219±49
128±37
<135
<243
160625B^
(Fermi)
09:14 19610 160628.06 644±38
160624A 11:27 19688 160624.97
160629.18
160702.05
160827.95
<268
<93
<114
<114
160623A^
(Fermi)
05:00 19609 160625.15
160627.15
5000±100
6300±100
160601A 14:43 19608 160601.78
160602.95
160604.95
160611.95
160806.77
<282
<216
<108
<132
<137
160525B 09:25 19564 160525.55
160526.66
160528.66
160531.68
160806.54
<99
<63
<66
<96
<98
160521B
(Fermi)
09:14 19563 160524.75
160527.65
160603.73
160808.54
<108
<108
<117
<132
160521A
(INTEGRAL)
03:37 19534 160524.62
160527.52
160603.61
266±36
133±29
<93
160519A 00:17 19533 160519.35
160520.50
160522.61
160526.50
160529.49
160804.33
<202
<72
<84
<87
<87
<121
160509A
(Fermi)
08:59 19532 160523.25
160526.21
160804.97
<137
<152
<115
160504A 19:30 19510 160504.85
160505.88
160507.82
160511.90
160514.90
160805.60
<93
<72
<129
<123
<120
<190
160417A 04:23 19509 160417.58
160418.81
160420.66
160424.68
160428.77
160607.70
<225
<105
<123
<72
<96
<210
160408A 06:25 19508 160408.61
160409.77
160413.87
160415.74
160419.78
160602.71
<117
<144
<102
<204
<145
<120
160327A 09:16 19453 160327.75
160328.94
160330.94
160404.79
160406.83
160531.83
<84
<69
<96
<102
<93
<124
160321A 15:55 19452 160321.70
160322.85
160324.74
160329.66
160331.68
160603.46
<195
<261
<162
<207
<189
<270
160314A 11:32 19451 160314.65
160315.81
160317.73
160321.82
160324.91
160614.68
<280
<100
<270
<100
<320
<165
160313A 02:62 19450 160313.15
160313.97
160316.00
160320.11
160323.02
160606.79
<130
<60
<100
<170
<70
<159

Notes:

* For GRB 160705B, the flux calibration uncertainties on 160706.73 and 160712.72 are 25%.

* For GRB 160703A, the flux calibration uncertainty on 160704.99 is 30%.

* For GRB 160417A, the flux calibration uncertainties on 160420.66 and 160424.68 are 35%.

* For GRB 160521A, the location of the radio counterpart is RA=08:38:51.3 +/-6 arcsec, Dec=+46:54:21 +/-24 arcsec.

* For GRB 160815A, there is no good data since the calibrator observations failed.

^ Preliminary results. Monitoring of this source is underway.