Similar to Fig. 3 this shows the perturbations (black) and (blue) for the G2 star with i = 90° and solid body rotation with an equatorial rotation velocity of 4 km s−1. The values of (l, m) are (0, 0) (solid), (1, 1) (dotted), (2, 0) (dashed), and (2, 2) (dash-dotted). Also shown (in red) is the derivative scaled to best fit each of the . The unperturbed line, and thus the derivative, is different from that in Fig. 3 because of rotational broadening.
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