A Decade of TeV Observations of the Gamma-ray Binary HESSJ0632+057 with VERITAS
S. Schlenstedt (for the VERITAS Collaboration)
TL;DR
This paper reports a decade-long observational study of the gamma-ray binary HESSJ0632+057 using VERITAS, revealing orbital phase-dependent gamma-ray enhancements and correlating X-ray data.
Contribution
It provides new observational data covering all orbital phases, including recent measurements, and discusses gamma-ray and X-ray correlations in this binary system.
Findings
Detected gamma-ray flux enhancements at specific orbital phases.
Extended the observational coverage to all orbital phases.
Correlated gamma-ray activity with X-ray observations.
Abstract
The gamma-ray binary HESSJ0632+057 (VERJ0633+057) has been observed at very-high energies for a decade by all major systems of imaging atmospheric Cherenkov telescopes. We present here new observations taken by the VERITAS observatory during the season 2015-2016. The observations cover now all phases of the binary orbit (with its period of about 315 days), showing clearly enhancements around phases 0.35 and 0.75. The results are discussed along with simultaneous observations with Swift's X-Ray Telescope.
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