ATel 15389: Flaring activity from Mrk 421 observed by HAWC htt | Astronomical Informant

ATel 15389: Flaring activity from Mrk 421 observed by HAWC
https://www.astronomerstelegram.org/?read=15389

The HAWC Observatory has measured an increased gamma-ray activity from the direction of the BL Lac Markarian 421 (z=0.031) on the previous transit, May 20-21, 2022: Day: 2022-05-20, (MJD 59719) Duration: 6.2 hrs, from 2022-05-20 22:32:11 to 2022-05-21 04:48:09 (UT) Preliminary Flux level: (5.33 +/- 1.13) X 10-11 cm^-2s^-1 [ > 1 TeV] (2.76 +/- 0.58 CU) HAWC continuously monitors this source and will keep reporting in case that the enhance activity follows. ...