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--- start [2023/12/20 08:46] – created lactadmin
+++ start [2025/01/27 02:48] (current) – 222.129.7.91
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-"LACT consists of 32 imaging Cherenkov telescopes with a diameter of 6 meters each, strategically positioned within the LHAASO array. Leveraging spatial stereoscopic tracking observation technology, LACT achieves a remarkable high angular resolution better than 0.05°. The groundbreaking advancements made by LHAASO have opened a new window in the field of 'ultra-high-energy gamma astronomy,' leading to the discovery of over 40 ultra-high-energy gamma-ray sources. Each source exhibits complex structures, encompassing multiple cosmic-ray origin candidate celestial bodies.
+"LACT consists of 32 imaging Cherenkov telescopes with a diameter of 6 meters each,
+strategically positioned within the LHAASO array.
+Leveraging spatial stereoscopic tracking observation technology,
+LACT achieves a remarkable high angular resolution better than 0.05°.
+The groundbreaking advancements made by LHAASO have opened a new window
+in the field of 'ultra-high-energy gamma astronomy',
+leading to the discovery of over 40 ultra-high-energy gamma-ray sources.
+Each source exhibits complex structures, encompassing multiple cosmic-ray origin candidate celestial bodies.
-However, the angular resolution of LHAASO is limited to approximately 0.3°, constraining the precise measurement of internal fine structures of sources and hindering the effective differentiation of which celestial body within the source region emits the ultra-high-energy gamma rays. Currently operational imaging Cherenkov telescopes such as HESS, MAGIC, VERITAS, CTA-LST, etc., exhibit significantly lower sensitivity in detecting ultra-high-energy gamma rays from these sources compared to LHAASO's sensitivity.
+However, the angular resolution of LHAASO is limited to approximately 0.3°,
+constraining the precise measurement of internal fine structures of sources
+and hindering the effective differentiation of which celestial body
+within the source region emits the ultra-high-energy gamma rays.
+Currently operational imaging Cherenkov telescopes such as HESS, MAGIC, VERITAS, CTA-LST, etc.,
+exhibit significantly lower sensitivity in detecting ultra-high-energy gamma rays
+from these sources compared to LHAASO's sensitivity.
-Focusing on this forefront scientific demand, we propose the LACT project. LACT aims to match the detector sensitivity of LHAASO for ultra-high-energy gamma sources while improving the angular resolution by more than 5 times. This enhancement allows for high-resolution clear imaging measurements of these sources, enabling the identification of the celestial bodies from which ultra-high-energy gamma rays originate. LACT, once completed, will be the most sensitive and highest angular resolution stereoscopic tracking observation device for ultra-high-energy gamma-ray sources in the northern hemisphere, leading to groundbreaking achievements in cosmic-ray origin studies."
+Focusing on this forefront scientific demand, we propose the LACT project.
+LACT aims to match the detector sensitivity of LHAASO for ultra-high-energy
+gamma sources while improving the angular resolution by more than 5 times.
+This enhancement allows for high-resolution clear imaging measurements of these sources,
+enabling the identification of the celestial bodies from which ultra-high-energy gamma rays originate.
+LACT, once completed, will be the most sensitive and highest angular resolution
+stereoscopic tracking observation device for ultra-high-energy gamma-ray sources in the northern hemisphere,
+leading to groundbreaking achievements in cosmic-ray origin studies."
+{{:lact场景3_副本.jpg?400|}}