== Short History

QLA available since 2012/12/12[[BR]]
QLA website publicly available since 2013/09/01 [[BR]]
official alerts since 2014/03/18[[BR]]

== List of Alerts, ATels and GCN Circulars

|| # 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 ||
|| 2 || 2 || 19.6.2014 3:32 || Mrk 501 || ~ 3 CU ||
|| 3 || 3 || 21.6.2014 2:46 || Mrk 501 || 3-4 CU, only 1 bin above limit ||
|| 4 || 4 || 24.6.2014 2:17 || Mrk 501 || > 5 CU, triggered HESS [http://www.astronomerstelegram.org/?read=6268 Atel #6268] ||
|| 5 || 5 || 28.7.2014 0:28 || Mrk 501 || > 5 CU, missed other alerts around this date || 
|| 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 ||
|| 8 || 1 || 19.10.2015 2:13 || 1ES 1959+650 || 1-2 CU for 20-30 min ||
|| 9 || 2 || 4.11.2015 22:13 || 1ES 1959+650 || 1 CU for 10-20 min ||
|| 10 || 3 || 15.11.2015 21:46 || 1ES 1959+650 || 1 CU for 10-20 min ||
|| 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 || [http://www.astronomerstelegram.org/?read=9010 Atel #9010] (with Fermi-LAT, MAGIC, VERITAS) ||
|| 13 || 5 || 30.4.2016 7:56 || 1ES 1959+650 || update, similar flux to last night ||
|| GCN 1 || 1 || 13.5.2016 13:02 || AMON20160218 || http://gcn.gsfc.nasa.gov/gcn3/19427.gcn3 ||
|| 14 || 6 || 17.5.2016 6:21 || 1ES 1959+650 || 0.5-1 CU, referred to in [http://www.astronomerstelegram.org/?read=9070 Atel #9070] || 
|| 15 || 7 || 6.6.2016 9:46 || 1ES 1959+650 || > 1CU, referred to in [http://www.astronomerstelegram.org/?read=9121 Atel #9121], highest flux so far from the source ||
|| 16 || 8 || 7.6.2016 5:35 || 1ES 1959+650 || > 1CU with 4 sigma in first bin then decrease ||
|| 17 || 9 || 8.6.2016 8:43 || 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 ||
|| 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 || [http://www.astronomerstelegram.org/?read=9137 Atel #9137] (with HAWC and Swift) ||
|| Atel 3 || 2 || 10.6.2016 22:04 || 1ES 1959+650 || [http://www.astronomerstelegram.org/?read=9139 Atel #9139] ||
|| 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 ||
|| 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 || [http://www.astronomerstelegram.org/?read=9148 Atel #9148] (with VERITAS, Swift, MAGIC, Fermi) ||
|| 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 ||
|| 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 ||
|| 25 || 17 || 29.6.2016 8:28 || 1ES 1959+650 || 0.5 CU ||
|| 26 || 18 || 1.7.2016 3:50 || 1ES 1959+650 || 2 CU in first 20 min bin with 4.5 sigma ||
|| Atel 5 || 4 || 1.7.2016 20:08 || 1ES 1959+650 || [http://www.astronomerstelegram.org/?read=9203 Atel #9203] (with MAGIC) ||
|| 27 || 19 || 2.7.2016 3:56 || 1ES 1959+650 || 1 CU in first 20 min bin with > 3 sigma ||
|| 28 || 20 || 4.7.2016 4:25 || 1ES 1959+650 || >1 CU, third 20 min bin with > 3 sigma, already > 5 sigma in 1h ||
|| 29 || 21 || 6.7.2016 7:49 || 1ES 1959+650 || 0.7-0.8 CU, 6 sigma for whole night ||
|| 30 || 22 || 10.7.2016 3:51 || 1ES 1959+650 || > 1 CU, increasing ||
|| 31 || 23 || 11.7.2016 3:59 || 1ES 1959+650 || ~ 2 CU in first 20 min bin ||
|| 32 || 24 || 12.7.2016 3:18 || 1ES 1959+650 || ~ 2 CU in the beginning ||
|| 33 || 25 || 12.7.2016 7:41 || 1ES 1959+650 || further increase during the night ||
|| Atel 6 || 5 || 12.7.2016 11:31 || 1ES 1959+650 || [http://www.astronomerstelegram.org/?read=9239 Atel #9239]: maximum flux at TeV energies, 3.5 CU ||
|| 34 || 26 || 15.7.2016 2:41 || 1ES 1959+650 || ~ 1 CU ||
|| 35 || 27 || 28.7.2016 3:10 || 1ES 1959+650 || ~ 1 CU ||
|| 36 || 28 || 1.8.2016 0:17 || 1ES 1959+650 || ~ 0.8 CU ||
|| GCN 2 || 1 || 1.8.2016 23:38 || AMON20160731 || http://gcn.gsfc.nasa.gov/gcn3/19752.gcn3 ||
|| 37 || 1 || 10.8.2016 8:57 || 1ES 2344+51.4 || ~0.8 CU, clouds moving through || 
|| 38 || 29 || 31.8.2016 0:36 || 1ES 1959+650 || > 1 CU ||
|| 39 || 30 || 23.9.2016 0:39 || 1ES 1959+650 || > 1 CU || 
|| 40 || 2 || 22.10.2016 1:05 || 1ES 2344+51.4 || ~ 1 CU, only 1 bin, bad weather ||
|| 41 || 3 || 9.1.2017 8:08 || Mrk 421 || 3 CU in 1 20 min bin, sent as a reply to HAWC alert; Swift ToO sent after the two HAWC Atels ([http://www.astronomerstelegram.org/?read=9936 #9936] and [http://www.astronomerstelegram.org/?read=9946 #9946]) ||
|| 42 || 4 || 4.2.2017 2:15 || Mrk 421 || 3-4 CU in first bins (later the night some variability) || 
|| 43 || 5 || 17.4.2017 2:25 || Mrk 421 || 3-4 CU in one 20 min bin; steady increase from 1 CU at the beginning of the night; sent Swift ToO || 
|| 44 || 6 || 18.4.2017 1:55 || Mrk 421 || 3 CU in one 20 min bin; before 1-2 CU || 
|| 45 || 31 || 17.8.2017 1:41 || 1ES 1959+650 || 2 CU and going down ||
|| 46 || 32 || 19.8.2017 1:19 || 1ES 1959+650 || 2 CU in 20min bin, avg whole night 1 CU ||
|| 47 || 33 || 18.9.2017 0:42 || 1ES 1959+650 || 1-2 CU || 
|| 48 || 34 || 27.9.2017 23:54 || 1ES 1959+650 || 1 CU ||
|| 49 || 35 || 18.10.2017 22:39 || 1ES 1959+650 || 1 CU ||
|| 50 || 36 || 19.10.2017 23:19 (update 20. 0:44) || 1ES 1959+650 || 2 CU in 1 20 min bin ||
|| 51 || 37 || 22.10.2017 23:26 || 1ES 1959+650 || 0.75 CU || 
|| 52 || 38 || 1.12.2017 21:25 || 1ES 1959+650 || 0.7 CU || 
|| 53 || 7  || 19.12.2017 7:29 || Mrk 421 || 3.5-4 CU || 
|| Atel 7 || 2 || 20.12.2017 23:58 || Mrk 421 || [http://www.astronomerstelegram.org/?read=11077 Atel #11077] (with HAWC) ||
|| 54 || 8 || 22.12.2017 7:15 || Mrk 421 || slow increase during the night to 3 CU || 
|| 55 || 9 || 24.12.2017 7:55 || Mrk 421 || 3-6 CU ||
|| Atel 8 || 3 || 24.12.2017 12:25 || Mrk 421 || [http://www.astronomerstelegram.org/?read=11086 Atel #11086] ||
|| 56 || 10 || 10.1.2018 6:32 || Mrk 421 || one 20min bin at 5 CU || 
|| 57 || 11 || 13.1.2018 4:38 || Mrk 421 || one 20min bin at 3.5-4 CU || 
|| 58 || 12 || 15.1.2018 6:27 || Mrk 421 || increase to 3-4 CU || 
|| 59 || 13 || 17.1.2018 2:58 || Mrk 421 || 6 CU ||
|| 60 || 14 || 17.1.2018 3:54 || Mrk 421 || upd: 8-9 CU ||
|| Atel 9 || 4 || 17.1.2018 13:04 || Mrk 421 || [http://www.astronomerstelegram.org/?read=11184 Atel #11184] ||
|| 61 || 15 || 18.1.2018 8:26 || Mrk 421 || 3-4 CU || 
|| 62 || 16 || 19.1.2018 2:47 || Mrk 421 || 6 CU ||
|| 63 || 17 || 23.1.2018 6:32 || Mrk 421 || 3.5 CU in one bin ||
|| 64 || 18 || 27.1.2018 5:40 || Mrk 421 || 4 CU  one bin || 
|| 65 || 19 || 13.3.2018 00:45 || Mrk 421 || 4-5 CU, short flare ||
|| 66 || 20 || 20.3.2018 04:46 || Mrk 421 || 3.5-4 CU, short flare ||
|| 67 || 21 || 24.3.2018 01:18 || Mrk 421 || ~4CU, short flare || 
|| 68 || 39 || 2.5.2018 10:47 || 1ES 1959+650 || 0.7 CU in nightly bin, 3 sigma || 
|| 69 || 40 || 16.7.2018 3:08 || 1ES 1959+650 || 1.5 CU in one 20 min bin || 
|| 70 || 41 || 23.7.2018 10:05 || 1ES 1959+650 || 0.5 CU mean, variable, up to 1.8 CU || 
|| 71 || 42 || 9.8.2018 3:01 || 1ES 1959+650 || 1.5 CU in 20 min, 0.5 CU in nightly average || 
|| 72 || 43 || 17.8.2018 1:51 || 1ES 1959+650 || 0.7 CU in nightly average || 
|| 73 || 44 || 18.8.2018 1:58 || 1ES 1959+650 || 0.7 CU in nightly average ||
|| 74 || 3 || 18.8.2018 5:33 || 1ES 2344+51.4 || 0.7 CU in nightly average, 1 CU in 20 min bin || 

== Short Summary

|| Source || trigger limit || # alerts || # atels || gcn-circulars ||
|| || || || ||  ||
|| Mrk 501 || 3 CU || 6 || - || - ||
|| Mrk 421 || 3 CU || 21 || 4 || - ||
|| 1ES 1959+650 || 0.5 CU, 3 sigma || 44 || 5 || - ||
|| 1ES 2344+51.4 || 0.5 CU, 3 sigma || 3 || - || - ||
|| AMON || - || - || - || 2 ||
|| || || || || ||
|| total || - || 74 || 9 || 2 ||