B-mode polarization forecasts for GreenPol | Astronomy & Astrophysics (A&A)

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Table 1.

Summary of instrument properties (top section), model parameters (middle section), and experimental setups (bottom section).

Frequency (GHz)	10	15	20	30	44	90	143
Detector specification
Detector type	HEMT	HEMT	HEMT	HEMT	Bolo	Bolo	Bolo
(μK)	316	316	433	361	200	300	300
Horns per telescope	7	13	19	25	40	160	320
NET per telescope (μK)	120	88	102	72	16	24	17
Mean (Q, U) noise per 1° pixel ^(a) (μK)	5.1	2.1	2.0	1.3	0.3	0.4	0.3
FWHM beam size (arcmin)	80.0	53.3	40.0	26.7	18.18	8.89	5.59

Model summary
Mean () total signal ^(a) (μK)	279	80	33	10	3.7	2.5	5.2
Mean () thermal dust ^(a) (μK)	0.07	0.12	0.18	0.34	0.61	2.0	5.0
Mean () Synchrotron ^(a) (μK)	279	80	33	9.4	3.0	0.38	0.12
RMS (Q) CMB ^(a) (μK)	0.43	0.43	0.43	0.43	0.43	0.43	0.43
Thermal dust scaling factor	0.007	0.013	0.020	0.038	0.068	0.22	0.55
Synchrotron scaling factor	13.3	3.8	1.56	0.45	0.14	0.02	0.006
Spinning dust scaling factor	0.52	0.44	0.30	0.10	0.026	2 × 10⁻⁴	1 × 10⁻⁹

Integration time per channel for various experimental setups in telescope-years
SN10 – S/N weights, 10° radius disk	0.2	0.3	1.5	6	8	0	0
SN20 – S/N weights, 20° radius disk	0.2	0.3	1.5	6	8	0	0
SN30 – S/N weights, 30° radius disk	0.2	0.3	1.5	6	8	0	0
SN65 – S/N weights, 65° radius disk	0.2	0.3	1.5	6	8	0	0
U10 – uniform weights, 10° radius disk	2	2	2	2	8	0	0
SN10H – S/N weights with 90+143 bolo, 10° radius disk	0.1	0.2	0.7	3	4	4.5	0.5

Notes. Temperatures are given in thermodynamic units, μK_CMB.

^(a)

Evaluated for the baseline scanning strategy with 10° opening angle.

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