Discovery of binarity, spectroscopic frequency analysis, and mode identification of the δ Scuti star 4 CVn

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Volume 570 (October 2014)

A&A, 570 (2014) A33

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Issue		A&A Volume 570, October 2014


Article Number		A33
Number of page(s)		17
Section		Stellar structure and evolution
DOI		https://doi.org/10.1051/0004-6361/201423669
Published online		10 October 2014

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Appendix A: Amplitude and phase profiles

	Fig. A.1 Amplitude (upper panel) and phase (lower panel) across the line for frequency f₈ = 6.6801 d^-1. Observations are shown as the blue solid line and errors of the observations are shown as the green dashed line.
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	Fig. A.2 Same as Fig. A.1, but for frequency f₉ = 4.0743 d^-1.
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	Fig. A.3 Same as Fig. A.1, but for frequency f₁₀ = 6.1171 d^-1.
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	Fig. A.4 Same as Fig. A.1, but for frequency f₁₁ = 6.975 d^-1.
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	Fig. A.5 Same as Fig. A.1, but for frequency f₁₂ = 10.1702 d^-1.
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	Fig. A.6 Same as Fig. A.1, but for frequency f₁₃ = 6.1910 d^-1.
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	Fig. A.7 Same as Fig. A.1, but for frequency f₁₄ = 12.4244 d^-1.
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	Fig. A.8 Same as Fig. A.1, but for frequency f₁₅ = 9.4113 d^-1.
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	Fig. A.9 Same as Fig. A.1, but for frequency f₁₆ = 9.7684 d^-1.
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	Fig. A.10 Same as Fig. A.1, but for frequency f₁₇ = 10.0372 d^-1.
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	Fig. A.11 Same as Fig. A.1, but for frequency f₁₈ = 6.4030 d^-1.
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	Fig. A.12 Same as Fig. A.1, but for frequency f₁₉ = 13.388 d^-1.
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	Fig. A.13 Same as Fig. A.1, but for frequency f₂₀ = 10.016 d^-1.
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Appendix B: Comparison of LSD profiles and single-line profiles

	Fig. B.1 Upper panel: mean profile of the Fe ii line at 4508.288 Å in the season 2010. Center panel: standard deviation of the Fe ii line. Lower panel: color image of the LPVs of the Fe ii line, phase folded on the frequency f₁ = 7.3764 d^-1. The amplitude is color coded and can be read from the color bar.
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	Fig. B.2 Same as Fig. B.1 for the standard LSD profiles calculated from all lines in the line mask.
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	Fig. B.3 Same as Fig. B.1 for the LSD profiles calculated from all Fe lines in the line mask only.
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Appendix C: Results of the mode identification of f₁ = 7.3764 d^-1 and f₂ = 5.8496 d^-1

Table C.1

Results of the mode identification using set 1 of the stellar parameters (M = 2.0 M_⊙, R = 3.72 R_⊙, log g = 3.6, and T_eff = 7050 K).

Table C.2

Results of the mode identification using set 2 of the stellar parameters (M = 1.5 M_⊙, R = 3.75 R_⊙, log g = 3.45, and T_eff = 6950 K).

Table C.3

Results of the mode identification using set 3 of the stellar parameters (M = 2.4 M_⊙, R = 5.6 R_⊙, log g = 3.32, and T_eff = 6800 K).

Fig. C.1

Fit of the amplitude (upper panel) and phase (lower panel) across the line of the frequency f₁ with a (ℓ,m) = (3, − 2) mode. The observed profiles are calculated from the phase folded data set. Observations are shown as the blue solid line, the errors of the observations are shown as the green dash-dotted line, and the fit is shown as the red dashed line. The fit has a χ² of 28.6.

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	Fig. C.2 Same as Fig. C.1, but with a (ℓ,m) = (3, − 3) mode. The fit has a χ² of 29.7.
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	Fig. C.3 Same as Fig. C.1, but with a (ℓ,m) = (3, − 1) mode. The fit has a χ² of 34.6.
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	Fig. C.4 Same as Fig. C.1, but with a (ℓ,m) = (2, − 2) mode. The fit has a χ² of 38.3.
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	Fig. C.5 Same as Fig. C.1, but with a (ℓ,m) = (2, − 1) mode. The fit has a χ² of 47.7.
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	Fig. C.6 Same as Fig. C.1, but with a (ℓ,m) = (1, − 1) mode. The fit has a χ² of 68.7.
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	Fig. C.7 Fit of the amplitude (upper panel) and phase (lower panel) across the line of the frequency f₂ with a (ℓ,m) = (3,3) mode. The observed profiles are calculated from the phase folded data set. Observations are shown as the blue solid line, the errors of the observations are shown as the green dash-dotted line, and the fit is shown as the red dashed line. The fit has a χ² of 29.
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	Fig. C.8 Same as Fig. C.7, but with a (ℓ,m) = (3,2) mode. The fit has a χ² of 30.8.
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	Fig. C.9 Same as Fig. C.7, but with a (ℓ,m) = (3,1) mode. The fit has a χ² of 35.3.
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	Fig. C.10 Same as Fig. C.7, but with a (ℓ,m) = (2,2) mode. The fit has a χ² of 39.6.
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	Fig. C.11 Same as Fig. C.7, but with a (ℓ,m) = (2,1) mode. The fit has a χ² of 65.6.
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	Fig. C.12 Same as Fig. C.7, but with a (ℓ,m) = (1,1) mode. The fit has a χ² of 68.3.
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© ESO, 2014

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Online material

Appendix A: Amplitude and phase profiles

Appendix B: Comparison of LSD profiles and single-line profiles

Appendix C: Results of the mode identification of f1 = 7.3764 d-1 and f2 = 5.8496 d-1

Appendix C: Results of the mode identification of f₁ = 7.3764 d^-1 and f₂ = 5.8496 d^-1