498 citations · 1.7k across the 67 of their papers we have counts for
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astro-ph.GA2010★ 12 cited
Old open clusters and the Galactic metallicity gradient: Berkeley 20, Berkeley 66, and Tombaugh 2
Gloria Andreuzzi, Angela Bragaglia, Monica Tosi +1
To study the crucial range of Galactocentric distances between 12 and 16 kpc, where little information is available, we have obtained VI CCD imaging of Berkeley 20 and BVI CCD imag…
astro-ph.SR2010★ 24 cited
Period Change Similarities among the RR Lyrae Variables in Oosterhoff I and Oosterhoff II Globular Systems
Andrea Kunder, Alistair Walker, Peter B. Stetson +9
We present period change rates (dP/dt) for 42 RR Lyrae variables in the globular cluster IC4499. Despite clear evidence of these period increases or decreases, the observed per…