High-Energy Gamma-ray Emission Properties of an Anomalous X-ray Pulsar, 4U 0142+61
Sinem Sasmaz Mus, Ersin Gogus
TL;DR
This study investigates high-energy gamma-ray emission from the brightest Anomalous X-ray Pulsar, 4U 0142+61, using Fermi LAT data, and establishes upper limits due to non-detection.
Contribution
First to set upper limits on gamma-ray emission from 4U 0142+61 using Fermi LAT data.
Findings
No significant gamma-ray emission detected from 4U 0142+61.
Established upper limits for persistent gamma-ray emission.
Provided constraints on high-energy emission models for AXPs.
Abstract
Anomalous X-ray Pulsars (AXPs) are bright X-ray sources. Few AXPs emit highly pulsed emission in hard X-rays. Using data collected with the Large Area Telescope on board Fermi Gamma-ray Space Telescope, we explored high-energy gamma-ray emission from the brightest AXP, 4U 0142+61. We do not detect any significant emission from the source. Here, we present the upper limits to the persistent and pulsed emission of 4U 0142+61 in the high-energy gamma-ray domain.
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Taxonomy
TopicsSuperconducting Materials and Applications · Particle physics theoretical and experimental studies · Particle Detector Development and Performance