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The variations of very-high energy γ-quanta flux from the blazar 3C 66A in 2002
The extra-galactic source blazar 3C 66A was observed in 2002 with the aid of the air Cherenkov telescope GT-48 dedicated for stereoscopic measurements of extensive air showers (EAS). The analysis of the observational data obtained during the period November–December with a total exposure time of 6h4...
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| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
Головна астрономічна обсерваторія НАН України
2005
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| Series: | Кинематика и физика небесных тел |
| Subjects: | |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/79644 |
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| Summary: | The extra-galactic source blazar 3C 66A was observed in 2002 with the aid of the air Cherenkov telescope GT-48 dedicated for stereoscopic measurements of extensive air showers (EAS). The analysis of the observational data obtained during the period November–December with a total exposure time of 6h40m revealed a γ-ray flux atE >1 TeV ≈ 93% of the steady flux from the Crab Nebula at 5.03 σ level. The observations have shown variations of flux intensity from source in the very-high energy (VHE) band which may be interpreted as low and high states of the object during the observing period. The temporal properties of object are correlated well with quasi-simultaneous observations in the 2–10 keV energy band as measured by the All Sky Monitor onboard RXTE. |
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