7/18 But he is found to be some three times as far from us as the small star 61 Cygni, and more than seven times as far from us as [alpha] Centauri. These are [theta], [iota], and [kappa] Bootis, and are usually placed in star-maps near the upraised hand of the Herdsman. The two which lie next to Alkaid, [iota] and [kappa], are interesting doubles. The former is a wide double (see Plate 5), the magnitudes of components 4 and 8, their colours yellow and white. The larger star of this pair is itself double. |