Spectroscopic and Photometric Observations of ω Centauri's Blue Horizontal Branch stars D'Cruz, N. L. ; Rood, R. T. ; O'Connell, R. W. ; Dickens, R. J. ; Hatzidimitriou, D. ; Dorman, B. ; Landsman, W. B. ; Whitney, J. H. Abstract Publication: Omega Centauri, A Unique Window into Astrophysics Pub Date: 2002 Bibcode: 2002ASPC..265..235D