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Table 6

Spectroscopic frequencies and amplitudes of 4 CVn.

Frequency Awhole set A2008 A2010 A2011
d-1 km s-1 km s-1 km s-1 km s-1
± 0.0008 ± 0.009 ± 0.015 ± 0.014 ± 0.016
f 1 7.3764 0.953 0.95 0.98 1.00
f 2 5.8496 0.869 0.87 0.90 0.88
f 3 5.0481 0.550 0.48 0.53 0.59
f 4 8.5942 0.444 0.48 0.51 0.33
f 5 5.5315 0.389 0.38 0.39 0.44
f 6 8.6552 0.389 0.31 0.40 0.51
f 7 8.1687a 0.379 0.33 0.41 0.48
f 8 6.6801 whole set, 2010, 2011
f 9 4.0743a whole set, 2010, 2011c
f 10 6.1171 whole set, 2010
f 11 6.975b 2008
f 12 10.1702a whole set, 2010, 2011
f 13 6.1910 whole set, 2011
f 14 12.4244a whole set, 2010, 2011
f 15 9.4113a whole set, 2008, 2010, 2011
f 16 9.7684a whole set, 2008, 2010
f 17 10.0372a whole set, 2008
f 18 6.4030 whole set
f 19 13.388a 2008
f 20 10.016a 2011

Notes. Amplitudes Awhole set from the frequency analysis of the whole data set compared to the amplitudes of the different seasons A2008, A2010, and A2011. The amplitudes have an average error of 0.009 km s-1 for the whole data set, and of 0.015,0.014, and 0.016 km s-1 for the seasons 2008, 2010, and 2011, respectively. The frequency resolution 1/ΔT is 0.0008 d-1 for the whole data set and 0.009, 0.01, and 0.005 d-1 for the seasons 2008, 2010, and 2011, respectively.

(a)

Frequencies not detected in previous photometric studies.

(b)

Photometric radial mode (Lenz et al. 2010).

(c)

Alias peak of frequency detected.

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