Names of stars
•Proper names mostly from Arabic
•Astronomers use
(a, b, d, e, ... )  + Constellation
in approximate order of brightness
•Alpha Orionis = Betelgeuse
•Beta   Orionis = Rigel
•Alpha Tauri    = Aldebaran
•Numbers and other schemes for fainter stars.  (About 6000 stars are visible to naked eye.)
Orion
(From our Text:  Horizons, by Seeds)