Phoenix was launched on August 4, 2007, at 5:26:34 a.m. EDT (09:26:34 UTC) on a Delta II 7925 launch vehicle from Pad 17-A of the Cape Canaveral Air Force Station.
Kaus Borealis, the Northern (part of the) Bow, was Al Tizini’s Rai al Na’aim, the Keeper of the Na’ams, the uncertainty as to the meaning of which has already been noticed; but Kazwini evidently understood by it Ostriches, for in his list it is, with the stars μ, Al Thalimain, plainly meaning these desert birds.