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Table 1.

Main characteristics of CONCERTO.

Telescope primary mirror diameter [m] 12
Field-of-view diameter [arcmin] 20
Absolute spectral resolution [GHz] ≥1
Relative spectral resolution R [#] 1–300
Frequency range HF ∣ LF [GHz] 195–310 ∣ 130–270
Pixels on Sky HF ∣ LF [#] 2152 ∣ 2152
Angular resolution HF ∣ LF [arcsec] 20–32 ∣ 23–45
Average angular resolution HF ∣ LF [arcsec] 26 ∣ 34
Instrument geometrical throughput [sr m2] 2.5 × 10−3
Single Pixel geometrical throughput [sr m2] 1.16 × 10−6
Data rate [MBytes s−1] 128

Notes. For comparison, the NIKA2 instrument (6.5′ field-of-view, 30-metre telescope) geometrical throughput (A×Ω), characterising the camera collecting power, is 1.7×10−3 sr m2. Concerning the overall optical transmission of CONCERTO compared to NIKA2, we refer the reader to Sect. 4.1.

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