Dwarf spheroidal galaxy in Draco. I. New BV photometry

New photoelectric photometry for 39 stars and new photographic photometry for 514 stars in the field of the Draco dwarf spheroidal galaxy are presented. The color-magnitude diagram displays a red giant branch whose observed width is comparable to the accidental photometric error, and a well-defined red horizontal branch. A more diffuse sequence of stars lies approx.0/sup m/.1 to the blue of the giant branch. An upper horizontal branch of more massive core helium-burning stars may also be present. Some derived parameters are: (m-M)0=19/sup m/.4, (B-V)/sub 0,g/approx. =0/sup m/.77, ΔV=2/sup m/.9, S=5.7