Richtler, T; Grebel, E. K; Subramaniam, A; Sagar, R
(European Southern Observatory, 1998-01)
We present CCD photometry in V and I for the metal-rich globular cluster NGC 6528. A comparison with previous photometry reveals discrepancies of the order 0.1 to 0.2 mag in V, emphasizing the need for independent photometry. ...