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astro-ph2000★ 9 cited
Hot Horizontal Branch Stars in the Galactic Bulge. I
Ruth C. Peterson, Donald M. Terndrup, Elaine M. Sadler +1
We present the first results of a survey of blue horizontal branch (BHB) stars in the Galactic bulge. 164 candidates with 15 < V < 17.5 in a field 7.5deg from the Galactic Center w…
astro-ph2000★ 65 cited
CCD Photometry of the Globular Cluster Omega Centauri. I. Metallicity of RR Lyrae Stars from Caby Photometry
Soo-Chang Rey, Young-Wook Lee, Jong-Myung Joo +2
We present new measurements of the metallicity of 131 RR Lyrae stars in the globular cluster Omega Centauri, using the hk index of the Caby photometric system. The hk method has di…