VERITAS Observations of Magnetars
R. Guenette (for the VERITAS Collaboration)
TL;DR
This paper reports on VERITAS telescope observations of two magnetars, aiming to detect very high energy gamma-ray emissions from these highly magnetized neutron stars.
Contribution
It presents the first observational results of magnetars in the very high energy gamma-ray range using VERITAS.
Findings
No significant gamma-ray emission detected from either magnetar.
Establishes upper limits on gamma-ray flux from the observed magnetars.
Provides constraints for theoretical models of magnetar emission.
Abstract
Magnetars are rotating neutron stars with extremely strong magnetic fields (~ 10^14-10^15 G). X-ray and soft gamma-ray observations have revealed the existence of non-thermal particle populations which may suggest emission of very high energy photons. VERITAS, an array of four 12m imaging atmospheric Cherenkov telescopes, is designed to observe gamma-ray emission between 100 GeV and 30 TeV. Here we present the results of VERITAS observations of two magnetars, 4U 0142+61 and 1E 2259+586.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Gamma-ray bursts and supernovae · Pulsars and Gravitational Waves Research