VHE Observation of CTA 1 with VERITAS
Steven McArthur (for the VERITAS Collaboration)
TL;DR
This paper reports the detection of very-high-energy gamma rays from the CTA 1 supernova remnant and pulsar wind nebula using VERITAS, providing new insights into their high-energy emission mechanisms.
Contribution
First VHE gamma-ray detection of CTA 1 and its pulsar wind nebula, expanding understanding of TeV emissions in such systems.
Findings
Detection of VHE gamma rays from CTA 1 with VERITAS
Comparison of CTA 1's VHE emission to other pulsar wind nebulae
Enhanced understanding of high-energy processes in supernova remnants
Abstract
CTA 1 (G119.5+10.2) is a composite supernova remnant (SNR) with a shell-type structure in the radio band and a center filled morphology at X-ray energies. Fermi has detected a radio-quiet pulsar PSR J0007+7303 within the radio shell of CTA 1 in a blind search within its first months of operation. Located within an X-ray synchrotron pulsar wind nebula (PWN), the Fermi source is spatially coincident with the EGRET source 3EG J0010+7309. We present the the detection of the system in very-high-energy (VHE) gamma rays by VERITAS, with a preliminary comparison to other TeV-detected PWNe.
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Taxonomy
TopicsParticle Accelerators and Free-Electron Lasers · Atomic and Subatomic Physics Research