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Origin of the metallicity distribution of the NGC 5128 stellar halo
Kenji Bekki, William E. Harris, Gretchen L. H. Harris
Recent {\it Hubble Space Telescope} photometry in the nearby elliptical galaxy NGC 5128 shows that its halo field star population is dominated by moderately metal-rich stars, with…
Photospheric radius expansion X-ray bursts as standard candles
E. Kuulkers, P. R. den Hartog, J. J. M. in 't Zand +3
We examined the maximum bolometric peak luminosities during type I X-ray bursts from the persistent or transient luminous X-ray sources in globular clusters. We show that for about…
Simultaneous Modelling of the Stellar Halo and Globular Cluster System of NGC 5128
Michael A. Beasley, William E. Harris, Gretchen L. H. Harris +1
An important test for models of galaxy formation lies in the metallicity distribution functions (MDFs) of spheroid stars and their globular clusters (GCs).We have compared the MDFs…