Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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astro-ph2001
Photometric Observations of Omega Centauri: Multi-Wavelength Observations of Evolved Stars
Joanne Hughes, George Wallerstein, Floor van Leeuwen
We present multi-wavelength observations of the northern population of Omega Cen from the main-sequence turn-off to high on the red giant branch. We show that the best information…
astro-ph1999
Age and Metallicity Effects in Omega Centauri
Joanne Hughes, George Wallerstein
We have observed (with vby filters) a field north of the core of the most massive globular cluster in our galaxy, Omega Centauri. We have found a correlation of age and metallicity…