The MeerKAT Absorption Line Survey Data Release 2: Wideband continuum catalogues and a measurement of the cosmic radio dipole

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Volume 690 (October 2024)

A&A, 690 (2024) A163

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Table 2

Dipole estimates using the various estimators and flux density thresholds for different subsets of the MALS data.

Estimator	Correction	S₀	N	ℳ	x	𝒟	RA	Dec
		(µJy)		counts/pointing		(×10⁻²)	(deg)	(deg)
Poisson-rms	–	–	719 760	1902 ± 3	1.077 ± 0.006	17.98 ± 0.50	130±4	−81 ± 1
Poisson	C_sim	300	384 810	1399 ± 3	–	11.38 ± 0.44	149±8	−82 ± 1
	C_sim	500	263 148	867 ± 2	–	7.73 ± 0.57	132 ± 10	−78 ± 2
Poisson	C_rms	300	384 810	1601 ± 3	–	2.58 ± 0.36	164 ± 10	−61 ± 6
	C_rms	500	263 148	906 ± 2	–	2.21 ± 0.54	140 ± 20	−67 ± 8

					ε
					(×10⁻³)

Poisson-linear	C_rms	250	437 072	1988 ± 20	−0.1 ± 1.0	3.44 ± 0.45	146±8	−67 ± 4
	C_rms	300	384 810	1656 ± 18	3.5 ± 1.1	${1.68}_{- 0.39}^{+ 0.45}$ $1.68_{ - 0.39}^{ + 0.45}$	167 ± 12	$- 47 \pm_{- 10}^{+ 15}$ $- 47 \pm _{ - 10}^{ + 15}$
	C_rms	350	343 929	1416±14	6.0 ± 1.0	${0.88}_{- 0.25}^{+ 0.29}$ $0.88_{ - 0.25}^{ + 0.29}$	163 ± 18	−8 ± 28
	C_rms	400	311 419	1227 ± 14	6.7 ± 1.1	${0.67}_{- 0.29}^{+ 0.31}$ $0.67_{ - 0.29}^{ + 0.31}$	176 ± 30	$20_{- 40}^{+ 32}$ $20_{ - 40}^{ + 32}$
	C_rms	500	263 148	990 ± 11	9.0 ± 1.1	${0.59}_{- 0.34}^{+ 0.39}$ $0.59_{ - 0.34}^{ + 0.39}$	$151_{- 32}^{+ 41}$ $151_{ - 32}^{ + 41}$	$20_{- 43}^{+ 36}$ $20_{ - 43}^{ + 36}$
	C_rms	600	228 371	829 ± 11	9.4 ± 1.3	${0.86}_{- 0.36}^{+ 0.38}$ $0.86_{ - 0.36}^{ + 0.38}$	$154_{- 24}^{+ 30}$ $154_{ - 24}^{ + 30}$	$10_{- 37}^{+ 35}$ $10_{ - 37}^{ + 35}$
	C_rms	700	202 657	715 ± 10	9.5 ± 1.3	${0.65}_{- 0.37}^{+ 0.42}$ $0.65_{ - 0.37}^{ + 0.42}$	$175_{- 39}^{+ 44}$ $175_{ - 39}^{ + 44}$	$15_{- 44}^{+ 38}$ $15_{ - 44}^{ + 38}$

Notes. Estimates that did not converge on a solution have been omitted.

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