In this version there are three Cepheids and three RR Lyrae stars available for plotting.
Properties and methods:
selectStar(name)
plotInterval
verticalMargin
update
Use selectStar(name) to select the star, where name is one of the following strings:"del Cep", "RT Mus", or "PZ Aql" (Cepheids); or "MT Tel", "RR Leo", or "VX Her" (RR Lyrae).
The properties plotInterval and verticalMargin can be used to change the plot's appearance. Call the update function after changing them. (update does not need to be called after using the selectStar function.)
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