Chromosphere of K giant stars - Geometrical extent and spatial structure detection

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Volume 535 (November 2011)

A&A, 535 (2011) A59

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Table 2

Journal of the observations. λ₀ is the central wavelength of the recorded band.

Name	Type	Epoch	λ₀	Δλ
			(nm)

β Ceti	target	10/08/26	790.0	10 nm
		10/08/26	620.0	15 nm
		10/07/31	Ca II 849.8	0.25
		10/07/31	Ca II 854.2	0.25
		10/07/31	Ca II 866.2	0.25
HD 225132	cal.	10/08/26	790.0	10 nm
		10/08/26	620.0	15 nm

η Ceti	target	10/09/16	790.0	10 nm
		10/09/16	620.0	15 nm
		10/09/17	Ca II 849.8	1
		10/09/16	Ca II 854.2	1
		10/09/17	Ca II 866.2	1
HD 222345	cal.	10/09/16	790.0	10 nm
		10/09/16	620.0	15 nm

δ Crateris	target	10/05/05	790.0	10 nm
		10/05/05	620.0	15 nm
		10/05/05	Ca II 854.2	1
		10/05/05	H_α 656.2	1
HD 100889	cal.	10/05/05	790.0	10 nm
		10/05/05	620.0	15 nm

ρ Bootis	target	10/06/26	790.0	10 nm
		10/06/26	620.0	15 nm
		10/07/31	Ca II 854.2	1
HD 143894	cal.	10/06/26	790.0	10 nm
		10/06/26	620.0	15 nm
HD 108382	cal.	10/06/26	790.0	10 nm
		10/06/26	620.0	15 nm

β Ophicus	target	10/09/16	790.0	10 nm
		10/09/16	620.0	15 nm
HD 152614	cal.	10/09/16	790.0	10 nm
		10/09/16	620.0	15 nm

109 Herculis	target	10/07/31	790.0	10 nm
		10/07/31	620.0	15 nm
HD 168151	cal.	10/07/31	790.0	10 nm
		10/07/31	620.0	15 nm
HD 166230	cal.	10/07/31	790.0	10 nm
		10/07/31	620.0	15 nm

ι Cephei	target	10/11/10	790.0	10 nm
		10/11/10	620.0	15 nm
HD 3360	cal.	10/11/10	790.0	10 nm
		10/11/10	620.0	15 nm

Notes. The last column presents the spectral bandwidth Δλ used in the data processing (see Sect. 2.2).

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