AGILE detection of enhanced gamma-ray activity from BL Lacertae
Author(s)
Date Issued
2017-06-01
Mission(s)
Abstract
AGILE is revealing enhanced gamma-ray activity above 100 MeV from a source positionally consistent with BL Lacertae (HB89 2200+420, z=0.0686). Integrating between 2017-06-04 UT 04 00 00 and 2017-06-06 UT 04 00 00, a preliminary multi-source likelihood analysis detects a gamma-ray flux F( > 100 MeV) = (3.5 +/- 1.0) x 10^-6 photons/cm^2/s with a significance greater than 5 sigma.