29 July 2015 to 6 August 2015
World Forum
Europe/Amsterdam timezone

Fermi Large Area Telescope observations of high-energy gamma-ray emission from behind-the-limb solar flares

4 Aug 2015, 12:00
15m
Mississippi (World Forum)

Mississippi

World Forum

Churchillplein 10 2517 JW Den Haag The Netherlands
Oral contribution SH-EX Parallel SH 06 Cycle & AMS

Speaker

Melissa Pesce-Rollins (INFN-Pisa)

Description

Fermi LAT >30 MeV observations of the active Sun have increased the number of detected solar flares by almost a factor of 10 with respect to previous space observations. These sample both the impulsive and long duration phases of GOES M and X class flares. Of particular interest are the recent detections of two solar flares whose position behind the limb was confirmed by the STEREO-B satellite. While gamma-ray emission up to tens of MeV resulting from proton interactions has been detected before from occulted solar flares, the significance of these particular events lies in the fact that these are the first detections of >100 MeV gamma-ray emission from footpoint-occulted flares. We will present the Fermi-LAT, RHESSI and STEREO observations of these flares and discuss the various emission scenarios for these sources.
Registration number following "ICRC2015-I/" 1141
Collaboration FERMI

Primary author

Co-authors

Dr Fatima Rubio da Costa (Stanford) Dr Liiu Wei (Stanford) Dr Nicola Omodei (Stanford) Prof. Vahe Petrosian (Stanford)

Presentation materials