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    "headline": "Calamos Investments Announces September 2026 Distributions for Seven Closed-End Funds",
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    "prose": "Calamos Investments announced monthly distributions for its seven closed-end funds, payable on September 21, 2026. [^1]\n\nAstronomical imaging remains noise-limited under practical observing conditions, with standard calibration pipelines removing structured artifacts but largely leaving stochastic noise unresolved. [^2]\n\nThe authors propose a physics-based noise synthesis framework tailored to CCD noise formation in the telescope. [^3]\n\nThe Calamos Global Dynamic Income Fund (CHW) announced a distribution of $0.0600 per share. [^4]\n\nThe Calamos Strategic Total Return Fund (CSQ) announced a distribution of $0.1350 per share. [^5]\n\nThe record date and ex-dividend date for the distributions are September 14, 2026. [^6]\n\nExtensive experiments on a real-world multi-band dataset curated from two ground-based telescopes demonstrate the effectiveness of the framework in both photometric and scientific accuracy. [^7]\n\nRealistic noisy counterparts synthesized from these bases using the noise model enable the construction of abundant paired datasets for supervised learning. [^8]",
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