Progress on the calibration of surface brightness–color relations for early- and late-type stars

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Table 5

Parameters of the SBCRs for late-type stars described in Paper I, but converted into the same photometric system (see Sect. 6.1).

		N_c /N	(V −K) range	σ_RMS	Expected
			[mag]	[mag]	[%]
F5/K7-II/III	K	0/70	[1.8; 3.8]	0.00223	1.03
	K_s	70/70	[1.8; 3.9]	0.00223	1.03

F5/K7-IV/V	K	16/38	[1.0; 3.4]	0.00575	2.65
	K_s	22/38	[1.0; 3.4]	0.00575	2.65

M-II/III	K	0/29	[3.7; 7.0]	0.00461	2.12
	K_s	29/29	[3.7; 7.0]	0.00461	2.12

M-IV/V	K	14/16	[3.8; 7.4]	0.00404	1.86
	K_s	2/16	[3.8; 7.4]	0.00404	1.86

Notes. The N_c∕N column stands for the number of converted photometries as a fraction of the total number of stars in the sample. The RMS and the corresponding expected precision on the angular diameter are shown in the last columns.

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