Figure 7.
![Periodograms in the [100,735] cd−1 region for stars in Table 1. Some spurious frequencies clearly stick out in the periodograms. ‘n’ means artefact caused by harmonics of fLC. The S/N = 4.0 (solid) and S/N = 3.0 (dashed) significance lines are also shown.](https://oup.silverchair-cdn.com/oup/backfile/Content_public/Journal/mnras/457/2/10.1093/mnras/stw033/2/stw033fig7.jpeg?Expires=1750805739&Signature=F8PMgQwNRz9JPV8Ls8TnSGie6vzQo49HiJ7wh4IXmUNgtF0e3QbeRQQStWemFia4Qi1N1fYm84Q4~0TqodhAwF~K0MDrZTnX6tmKf9l02Wm6pe480hRxePFgSZHG-vA7nZxX1jfQOvVnXxFBU~xTwyzYWWncmLesKwTbFiABhLfvs-5ZZXTI-3q-ZrhhgcjOM6aJ6WAfUkh2X0~TEsE~HJwVX-rOtmSzyrmiA-soNfhMw9s9AEEuHH6rtQ1jIjiTYqOBFotnU3bOMUn~b-414~nlZ6JgLM32MtTTEqbO4TKjjDZARDoIku76LR0yzk6c5QDlBSDqyiEPBv5qrlDJrg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Periodograms in the [100,735] cd−1 region for stars in Table 1. Some spurious frequencies clearly stick out in the periodograms. ‘n’ means artefact caused by harmonics of fLC. The S/N = 4.0 (solid) and S/N = 3.0 (dashed) significance lines are also shown.
