Time and Location Correlation of Downward Leading Terrestrial Gamma Ray Flashes Observed by the Telescope Array Surface Detector and Upward Leading Terrestrial Gamma Ray Flashes and Transient Luminous Events Detected by the Atmospheric-Space Interactions

Hans Johnson, Rasha Abbasi, Ph.D., Department of Physics, Loyola University Chicago, 1032 W Sheridan Rd, Chicago, IL 60660

In this work, we report on the search for correlation between Terrestrial Gamma-ray Flashes (TGFs) observed by the Telescope Array Surface Detector (TASD) and TGFs observed by the Atmosphere-Space Interactions Monitor (ASIM). Such correlation could in principle allow us to constrain the models responsible for the initiation and propagation of TGFs.

The TASD is a ~700 square kilometer cosmic ray observatory located in the south-west Utah desert at 1400 meters above sea level. The array is comprised of 507 scintillator detectors spaced 1.2 kilometers apart. 

The Atmosphere-Space Interactions Monitor (ASIM) was launched in the International Space Station on April 2nd, 2018. The hosted payload of ASIM has a Modular X-ray and Gamma-ray Sensor (MXGS) for imaging and spectral analysis of TGFs, and the Modular Multi-spectral Imaging Array for detection, imaging, and spectral analysis of Transient Luminous Events (TLEs) and lightning. 

The results from this work showed there were no correlations between observations by the ASIM and the TASD detectors. 

Additional Abstract Information

Presenter: Hans Johnson

Institution: Loyola University of Chicago

Type: Poster

Subject: Physics/Astronomy

Status: Approved

Time and Location

Session: Poster 9
Date/Time: Wed 12:00pm-1:00pm
Session Number: 6128