COMAP Pathfinder – Season 2 results - II. Updated constraints on the CO(1–0) power spectrum

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Volume 691 (November 2024)

A&A, 691 (2024) A336

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Table A.1

Normalized sensitivity in each COMAP and COPSS bin.

Survey	k-center	k-min	k-max	normalized sensitivity	$ξ_{COPSS}^{min} / ξ_{k}$ $\[\xi_{\text {COPSS }}^{\min } / \xi_{k}\]$
Survey	[Mpc⁻¹]	[Mpc⁻¹]	[Mpc⁻¹]	ξ_k [10³ μK²Mpc^3/2]
This work	0.1	0.09	0.12	1.25	7.3
	0.15	0.12	0.18	0.89	10.2
	0.21	0.18	0.25	1.24	7.3
	0.3	0.25	0.36	1.47	6.2
	0.44	0.36	0.51	2.6	3.5
	0.62	0.51	0.73	5.42	1.7
	0.89	0.73	1.05	181.92	0.0499
	1.27	1.05	1.5	9.3 × 10⁶	9.7 × 10⁻⁷

COMAP ES	0.1	0.09	0.12	6.47	1.4
	0.15	0.12	0.18	7.32	1.2
	0.21	0.18	0.25	9.16	1.0
	0.3	0.25	0.36	12.41	0.7
	0.44	0.36	0.51	21.28	0.4
	0.62	0.51	0.73	39.6	0.2
	0.89	0.73	1.05	91.5	0.0993
	1.27	1.05	1.5	28000	0.0003

COPSS bins	0.4	0.36	0.45	23.27	0.39
	0.5	0.45	0.57	12.04	0.754
	0.64	0.57	0.71	9.08	1.0
	0.8	0.71	0.9	9.16	0.991
	1.01	0.9	1.13	12.66	0.718
	1.27	1.13	1.42	23.16	0.392
	1.61	1.42	1.79	51.08	0.178
	2.02	1.79	2.84	277.81	0.033
	3.2	2.84	3.57	2060.78	0.004

Notes. Volume-normalized sensitivity, ξ_k, of each of our field-averaged power spectrum bins as well as the COPSS measurement (Keating et al. 2016). The normalized sensitivity ratio of COMAP (i.e., this work), COMAP ES (Ihle et al. 2022) and the individual COPSS bins relative to the most sensitive COPSS bin (Keating et al. 2016) is given by $ξ_{COPSS}^{min} / ξ_{k}$ $\[\xi_{\text {COPSS }}^{\min } / \xi_{k}\]$ .

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