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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