2 papers
astro-ph.CO2010
How old are the stars in the halo of NGC 5128 (Centaurus A)?
M. Rejkuba, W. E. Harris, L. Greggio +1
NGC 5128 (Centaurus A) is, at the distance of just 3.8 Mpc, the nearest easily observable giant elliptical galaxy. Therefore it is the best target to investigate the early star for…
astro-ph2002
The Halo Stars in NGC 5128. III: An Inner-Halo Field and the Metallicity Distribution
W. E. Harris, G. L. H. Harris
We present new HST/WFPC2 (V,I) photometry for the red-giant stars in NGC 5128 at a projected distance of 8 kpc from the galaxy center, which probe a mixture of its inner halo and o…