Fig. 2.
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Detected point sources above 5σ at 10 GHz and 6 GHz. Top: closeup of the Quintuplet cluster from the 2016 X-band image corrected for primary-beam attenuation. The clean beam is 0.47″ × 0.15″, PA = 25.29°. The off-source rms noise level is 4.3 μJy beam−1. The contour levels represent −1, 1, 2, 3, 4, 5, and 6 times 5 σ. Bottom: closeup of the Quintuplet cluster showing most of the detected sources from the 2018 C-band image corrected for primary-beam attenuation. The resolution is 0.62″ × 0.21″, PA = 19.97°. The off-source rms noise level is 6.6 μJy beam−1. The contour levels represent −1, 1, 2, 3, 4, 5, and 6 times 5 σ.
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