== 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 || HESE20160427 || 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 || || GCN 3 || 1 || 13.11.2017 23:39 || IceCubeEHE20171106(b) || https://gcn.gsfc.nasa.gov/gcn3/22120.gcn3 || || 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 || || 75 || 45 || 19.8.2018 2:19 || 1ES 1959+650 || 0.6 CU in nightly average || || 76 || 46 || 24.8.2018 2:15 || 1ES 1959+650 || 1.3 CU in 20min, 0.4 CU nightly average || || 77 || 47 || 3.9.2018 0:39 || 1ES 1959+650 || 0.9 CU nightly average, > 1.5 CU in 20 min binning || || 78 || 4 || 3.9.2018 5:06 || 1ES 2344+51.4 || 0.5 CU nightly average, up to 0.9 CU in 20 min binning || || 79 || 48 || 4.9.2018 1:44 || 1ES 1959+650 || 2.5 CU in one 20 min bin, 0.4 CU nightly average || || 80 || 49 || 4.9.2018 23:57 || 1ES 1959+650 || 1-1.5 CU || || 81 || 50 || 5.9.2018 0:48 || 1ES 1959+650 || 0.9 CU || || 82 || 51 || 6.9.2018 1:47 || 1ES 1959+650 || 0.5 CU || || 83 || 52 || 8.9.2018 2:57 || 1ES 1959+650 || 0.6 CU nightly avg, up to 1.8 CU in 20 min binning || || 84 || 53 || 10.9.2018 1:30 || 1ES 1959+650 || 0.6 CU nightly avg || || 85 || 54 || 11.9.2018 23:17 || 1ES 1959+650 || 1.1 CU nightly avg, with one 20 min bin 1.7 CU || || 86 || 55 || 14.9.2018 2:13 || 1ES 1959+650 || 0.6 CU in nightly avg || || 87 || 56 || 16.9.2018 2:03 || 1ES 1959+650 || 1.7 CU in 20 min bin, nightly avg 0.4 CU but affected by bad weather || || 88 || 57 || 17.9.2018 2:16 || 1ES 1959+650 || 0.6 CU nightly avg || || 89 || 58 || 12.10.2018 23:34 || 1ES 1959+650 || 0.7-1.0 CU in first hour || || GCN 4 || 1 || 31.10.2018 16:40 || IceCube181023A || https://gcn.gsfc.nasa.gov/gcn3/23401.gcn3 || || 90 || 22 || 23.3.2019 12:14 || Mrk 421 || feedback in reply to HAWC alert: 1-2 CU || || 91 || 23 || 27.3.2019 2:15 || Mrk 421 || close to 3 CU || || 92 || 24 || 29.3.2019 2:20 || Mrk 421 || 3 CU, probably higher as bad weather || || 93 || 25 || 30.3.3019 23:31 || Mrk 421 || 3.6 CU, weather not ideal || || 94 || 26 || 1.4.2019 00:09 || Mrk 421 || 3.7 CU, weather not ideal || || 95 || 27 || 12.4.2019 3:55 || Mrk 421 || 4.5 CU, nightly avg 2 CU, weather at beginning not ideal || == Short Summary || Source || trigger limit || # alerts || # atels || gcn-circulars || || || || || || || || Mrk 501 || 3 CU || 6 || - || - || || Mrk 421 || 3 CU || 27 || 4 || - || || 1ES 1959+650 || 0.5 CU, 3 sigma || 58 || 5 || - || || 1ES 2344+51.4 || 0.5 CU, 3 sigma || 4 || - || - || || AMON || - || - || - || 4 || || || || || || || || total || - || 95 || 9 || 4 ||