Short History
QLA available since 2012/12/12
QLA website publicly available since 2013/09/01
official alerts since 2014/03/18
List of Alerts and ATels
| # total | # | Date, Time | Source | additional info
|
| | | | |
|
| 1 | 1 | 10.6.2014 0:57 | Mrk 501 | 3-4 CU, for night of 8./9.6.2014
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| 2 | 2 | 19.6.2014 3:32 | Mrk 501 | ~ 3 CU
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| 3 | 3 | 21.6.2014 2:46 | Mrk 501 | 3-4 CU, only 1 bin above limit
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| 4 | 4 | 24.6.2014 2:17 | Mrk 501 | > 5 CU, triggered HESS Atel #6268
|
| 5 | 5 | 28.7.2014 0:28 | Mrk 501 | > 5 CU, missed other alerts around this date
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| 6 | 6 | 22.8.2014 1:12 | Mrk 501 | ~ 3 CU
|
| 7 | 1 | 4.12.2014 1:29 | Mrk 421 | 3-4 CU, for the night of 2./3.12.2014
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| | | | |
|
| 8 | 1 | 19.10.2015 2:13 | 1ES 1959+650 | 1-2 CU for 20-30 min
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| 9 | 2 | 4.11.2015 22:13 | 1ES 1959+650 | 1 CU for 10-20 min
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| 10 | 3 | 15.11.2015 21:46 | 1ES 1959+650 | 1 CU for 10-20 min
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| 11 | 2 | 17.12.2015 6:29 | Mrk 421 | 3 CU for 20 min, 2 CU for > 1.5h, not ideal weather
|
| | | | |
|
| 12 | 4 | 29.4.2016 11:03 | 1ES 1959+650 | confirmation of bright emission, indication for flux increasing with time
|
| Atel 1 | 1 | 30.4.2016 00:54 | 1ES 1959+650 | Atel #9010 (with Fermi-LAT, MAGIC, VERITAS)
|
| 13 | 5 | 30.4.2016 7:56 | 1ES 1959+650 | update, similar flux to last night
|
| 14 | 6 | 17.5.2016 6:21 | 1ES 1959+650 | 0.5-1 CU, referred to in Atel #9070
|
| 15 | 7 | 6.6.2016 9:46 | 1ES 1959+650 | > 1CU, referred to in Atel #9121, highest flux so far from the source
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| 16 | 8 | 7.6.2016 5:35 | 1ES 1959+650 | > 1CU with 4 sigma in first bin then decrease
|
| 17 | 9 | 8.6.20168:43 | 1ES 1959+650 | update, still > 0.5 CU with 6 sigma for the whole night
|
| 18 | 10 | 9.6.2016 6:20 | 1ES 1959+650 | > 0.5CU with > 4 sigma so far and one 20 in bin > 3 sigma
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| 19 | 11 | 10.6.2016 6:44 | 1ES 1959+650 | > 1CU with three bins > 3 sigma and > 6 sigma for total night so far, flux again as high as 4 nights ago (highest flux)
|
| Atel 2 | 1 | 10.6.2016 19:00 | Mrk 421 | Atel #9137 (with HAWC and Swift)
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| Atel 3 | 2 | 10.6.2016 22:04 | 1ES 1959+650 | Atel #9139
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| 20 | 12 | 11.6.2016 6:44 | 1ES 1959+650 | 1-1.3 CU with three bins > 3 sigma and ~ 6 sigma for total night so far, highest flux so far
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| 21 | 13 | 12.6.2016 11:37 | 1ES 1959+650 | 1-1.5 CU with 4 bins > 3 sigma and 8.5 sigma for total night, highest excessrate so far
|
| 22 | 14 | 13.6.2016 5:00 | 1ES 1959+650 | >1.5 CU, in first bin already 45 evts/h with > 4 sigma, highest flux so far
|
| Atel 4 | 3 | 13.6.2016 22:04 | 1ES 1959+650 | Atel #9148 (with VERITAS, Swift, MAGIC, Fermi)
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| 23 | 15 | 14.6.2016 8:04 | 1ES 1959+650 | >1.4 CU, roughly 4-5 sigma for all but the lowest point and > 11 sigma for the whole night
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| 24 | 16 | 15.6.2016 7:51 | 1ES 1959+650 | 0.5-1 CU, highest point: almost 30 evts/h significance > 3 sigma, overall significance for whole night ~ 4.5 sigma
|
Short Summary
| Source | trigger limit | # alerts | # atels
|
| | | |
|
| Mrk 501 | 3 CU | 6 | -
|
| Mrk 421 | 3 CU | 2 | 1
|
| 1ES 1959+650 | 0.5 CU, 3 sigma | 13 | 3
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