Planck 2013 results
Free Access

Table 2

Main beam descriptive parameters of the scanning beams, with uncertainties (1σ).

Beam FWHM Ellipticity ψ ell
(arcmin) (degrees)

70 GHz
18M 13.41 ± 0.03 1.24 ± 0.01 85.51 ± 0.68
18S 13.47 ± 0.03 1.28 ± 0.01 86.35 ± 0.55
19M 13.14 ± 0.04 1.25 ± 0.01 78.94 ± 0.67
19S 13.09 ± 0.03 1.28 ± 0.01 79.12 ± 0.58
20M 12.84 ± 0.03 1.27 ± 0.01 71.62 ± 0.62
20S 12.84 ± 0.04 1.29 ± 0.01 72.61 ± 0.61
21M 12.76 ± 0.03 1.28 ± 0.01 108.00 ± 0.52
21S 12.87 ± 0.03 1.29 ± 0.01 106.98 ± 0.57
22M 12.92 ± 0.03 1.27 ± 0.01 102.05 ± 0.57
22S 12.98 ± 0.03 1.28 ± 0.01 101.74 ± 0.57
23M 13.33 ± 0.03 1.24 ± 0.01 93.48 ± 0.67
23S 13.33 ± 0.04 1.28 ± 0.01 93.60 ± 0.59

44 GHz
24M 23.23 ± 0.07 1.39 ± 0.01 89.85 ± 0.53
24S 23.10 ± 0.07 1.34 ± 0.01 89.98 ± 0.53
25M 30.28 ± 0.10 1.19 ± 0.01 115.41 ± 1.02
25S 30.92 ± 0.10 1.19 ± 0.01 117.34 ± 1.02
26M 30.37 ± 0.12 1.20 ± 0.01 62.13 ± 1.14
26S 30.61 ± 0.11 1.19 ± 0.01 61.42 ± 1.09

30 GHz
27M 33.06 ± 0.10 1.37 ± 0.01 101.24 ± 0.53
27S 33.12 ± 0.11 1.38 ± 0.01 101.37 ± 0.54
28M 33.17 ± 0.11 1.37 ± 0.01 78.53 ± 0.57
28S 33.28 ± 0.10 1.36 ± 0.01 78.87 ± 0.54

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