Table 1: Calibrators with spectral type, uniform disk angular diameter in K band (in milliarcsecond) and baseline (Mérand et al. 2005).
S. type UD diam. (mas) Baseline

HD 2952 K0III $0.938\pm 0.013$ W1-E1

HD 138852 K0III-IV $0.952\pm 0.012$ W1-E1

HD 139778 K1III: $1.072\pm 0.014$ W1-E2

HD 186815 K2III $0.713\pm 0.009$ W1-E2

HD 206349 K1II-III $0.869\pm 0.011$ W1-E1, W1-E2

HD 206842 K1III $1.214\pm 0.016$ W1-E2

HD 214995 K0III: $0.947\pm 0.013$ W1-E1

HD 216646 K0III $1.051\pm 0.015$ W1-E1, W1-E2

HD 217673 K1.5II $1.411\pm 0.020$ W1-E2

**Table 1:** Calibrators with spectral type, uniform disk angular diameter in K band (in milliarcsecond) and baseline (Mérand et al. 2005).
	S. type	UD diam. (mas)	Baseline
HD 2952	K0III	$0.938\pm 0.013$	W1-E1
HD 138852	K0III-IV	$0.952\pm 0.012$	W1-E1
HD 139778	K1III:	$1.072\pm 0.014$	W1-E2
HD 186815	K2III	$0.713\pm 0.009$	W1-E2
HD 206349	K1II-III	$0.869\pm 0.011$	W1-E1, W1-E2
HD 206842	K1III	$1.214\pm 0.016$	W1-E2
HD 214995	K0III:	$0.947\pm 0.013$	W1-E1
HD 216646	K0III	$1.051\pm 0.015$	W1-E1, W1-E2
HD 217673	K1.5II	$1.411\pm 0.020$	W1-E2

Source LaTeX | All tables | In the text

	1 Introduction
	2 Application of the BW method to ${\delta }$ Cep
	3 Discussion
	References
	Online Material