Supplementing the 2MRS survey: The 2MZoA catalogue

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Volume 704 (December 2025)

A&A, 704 (2025) A252

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Table 7

Statistics on 2MASX colours of various samples.

Sample	(J − K_s)					(H − K_s)

	N	Median	Mean	Error	Standard deviation	N	Median	Mean	Error	Standard deviation
		(mag)	(mag)	(mag)	(mag)		(mag)	(mag)	(mag)	(mag)
Colour^o S1	2547	0.980	0.985	0.002	0.10	2582	0.290	0.292	0.001	0.07
Colour^o,c S1	2520	0.994	1.004	0.002	0.10	2555	0.298	0.305	0.001	0.07
Colour (high-lat) S1	12607	1.000	1.013	0.001	0.13	12609	0.293	0.302	0.001	0.09
Colour (high-lat) S1	1444–1719	0.991–1.011	1.002–1.028	0.002–0.004	0.10–0.23	1441–1718	0.289–0.298	0.295–0.310	0.001–0.003	0.06–0.14
Colour^o S2	965	1.010	1.011	0.004	0.11	976	0.310	0.314	0.002	0.08
Colour^o,c S2	965	1.025	1.028	0.004	0.11	976	0.320	0.325	0.002	0.08
Colour (high-lat) S2	5156	1.030	1.042	0.002	0.12	5156	0.315	0.322	0.001	0.08
Colour (high-lat) S2	601–697	1.021–1.041	1.031–1.058	0.003–0.007	0.09–0.20	601–697	0.310–0.321	0.315–0.332	0.001–0.002	0.06–0.12
Colour^o S3	1420	1.020	1.025	0.003	0.12	1442	0.320	0.325	0.002	0.10
Colour^o,c S3	1419	1.034	1.041	0.003	0.12	1441	0.327	0.336	0.002	0.09
Colour (high-lat) S3	7170	1.042	1.052	0.001	0.11	7169	0.325	0.332	0.001	0.08
Colour (high-lat) S3	835–949	1.027–1.054	1.042–1.066	0.002–0.004	0.09–0.14	835–950	0.317–0.333	0.324–0.340	0.002–0.003	0.07–0.10

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