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Fig. 10

image

Theoretical rotational isochrones for 450 Myr, constructed following Barnes (2010), are compared with the M 48 CPD. The three curves from top to bottom respectively correspond to initial periods of 3.4 d, 1.1 d, and 0.12 d, representing the range allowed by ZAMS cluster observations. Almost all the data points are consistent with a single rotational age of 450 Myr.

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