The BINGO project - X. Cosmological parameter constraints from HI intensity mapping lognormal simulations

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Table 4.

Marginalized cosmological ΛCDM constraints and 68% credible intervals.

Parameter	Planck	Planck + BINGO	Planck + BINGO	Planck + BINGO	Planck + BINGO	Planck + BINGO
		(realization 1)	(realization 2)	(realization 3)	(21cm + WN)	(Reconstructed)
Ω_bh²	0.02240 ± 0.00017	$0 . 022319_{- 0.000079}^{+ 0.000075}$ $Mathematical equation: $ 0.022319^{+0.000075}_{-0.000079} $$	$0 . 022335_{- 0.000064}^{+ 0.000066}$ $Mathematical equation: $ 0.022335^{+0.000066}_{-0.000064} $$	$0 . 022290_{- 0.000059}^{+ 0.000060}$ $Mathematical equation: $ 0.022290^{+0.000060}_{-0.000059} $$	$0 . 022336_{- 0.000074}^{+ 0.000075}$ $Mathematical equation: $ 0.022336^{+0.000075}_{-0.000074} $$	0.022309 ± 0.000072
Ω_ch²	$0 . 1188_{- 0.0013}^{+ 0.0014}$ $Mathematical equation: $ 0.1188^{+0.0014}_{-0.0013} $$	$0 . 11984_{- 0.00065}^{+ 0.00063}$ $Mathematical equation: $ 0.11984^{+0.00063}_{-0.00065} $$	$0 . 11977_{- 0.00049}^{+ 0.00050}$ $Mathematical equation: $ 0.11977^{+0.00050}_{-0.00049} $$	$0 . 12028_{- 0.00049}^{+ 0.00051}$ $Mathematical equation: $ 0.12028^{+0.00051}_{-0.00049} $$	$0 . 11947_{- 0.00060}^{+ 0.00058}$ $Mathematical equation: $ 0.11947^{+0.00058}_{-0.00060} $$	$0 . 12023_{- 0.00052}^{+ 0.00053}$ $Mathematical equation: $ 0.12023^{+0.00053}_{-0.00052} $$
H₀	67.69 ± 0.63	67.23 ± 0.29	$67 . 25_{- 0.21}^{+ 0.22}$ $Mathematical equation: $ 67.25^{+0.22}_{-0.21} $$	67.04 ± 0.21	$67 . 39_{- 0.26}^{+ 0.27}$ $Mathematical equation: $ 67.39^{+0.27}_{-0.26} $$	67.06 ± 0.23
ln10¹⁰A_s	$3 . 076_{- 0.027}^{+ 0.029}$ $Mathematical equation: $ 3.076^{+0.029}_{-0.027} $$	$3 . 0548_{- 0.0095}^{+ 0.0086}$ $Mathematical equation: $ 3.0548^{+0.0086}_{-0.0095} $$	$3 . 0517_{- 0.0087}^{+ 0.0088}$ $Mathematical equation: $ 3.0517^{+0.0088}_{-0.0087} $$	$3 . 0483_{- 0.0081}^{+ 0.0084}$ $Mathematical equation: $ 3.0483^{+0.0084}_{-0.0081} $$	$3 . 0487_{- 0.0096}^{+ 0.0095}$ $Mathematical equation: $ 3.0487^{+0.0095}_{-0.0096} $$	$3 . 0528_{- 0.0084}^{+ 0.0080}$ $Mathematical equation: $ 3.0528^{+0.0080}_{-0.0084} $$
n_s	$0 . 9672_{- 0.0045}^{+ 0.0046}$ $Mathematical equation: $ 0.9672^{+0.0046}_{-0.0045} $$	$0 . 9655_{- 0.0022}^{+ 0.0020}$ $Mathematical equation: $ 0.9655^{+0.0020}_{-0.0022} $$	0.9665 ± 0.0016	0.9633 ± 0.0019	0.9665 ± 0.0020	$0 . 9654_{- 0.0017}^{+ 0.0016}$ $Mathematical equation: $ 0.9654^{+0.0016}_{-0.0017} $$
τ_r	$0 . 0502_{- 0.0079}^{+ 0.0077}$ $Mathematical equation: $ 0.0502^{+0.0077}_{-0.0079} $$	$0 . 0477_{- 0.0035}^{+ 0.0033}$ $Mathematical equation: $ 0.0477^{+0.0033}_{-0.0035} $$	0.0498 ± 0.0030	0.0509 ± 0.0028	$0 . 0467_{- 0.0028}^{+ 0.0031}$ $Mathematical equation: $ 0.0467^{+0.0031}_{-0.0028} $$	0.0482 ± 0.0031

Notes. The first column shows Planck-only constraints. The next three columns correspond to BINGO + Planck using three different realizations (1, 2, 3) of the pure 21 cm cosmological signal. The last two columns show BINGO + Planck constraints for realization 1 including white noise (WN) and foreground removal, respectively.

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