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AkaSci 🛰️

The focal plane of the Vera C. Rubin telescope consists of 189 4kx4k charge-coupled device (CCD) sensors, arranged in a total of 21 3-by-3 square arrays. The system is cooled to about -100 °C to minimize noise.

The 3.5° field of view of the 64 cm wide array is 40 times the area of the full moon in the sky.

Camera Data Rates: ~3.2 GBytes/sec peak raw data 😲
1 pixel = 16 bits (raw)
Pixels: 3.2 billion
Detector read-out time: 2 sec

flickr.com/photos/slaclab/with
www6.slac.stanford.edu/lsst

5/n

1. Pic othe LSST camera focal plane and detectors during assembly and testing Credit: Jacqueline Orrell/SLAC National Accelerator Laboratory Source: https://www.flickr.com/photos/slaclab/50212763208/ 2. Schematic of LSST focal plane and detectors Source: https://www6.slac.stanford.edu/lsst
Mar 12, 2025, 04:49 PM·Public
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