Ambika, S; Parthasarathy, M; Aoki, W; Fujii, T; Nakada, Y; Ita, Y; Izumiura, H
(EDP Sciences, 2004-04)
We present a detailed model-atmosphere analysis of ZNG 4, a UV-bright star in the globular cluster M 13. From the analysis of a high resolution ( R ≈ 45 000 ) spectrum of the object, we derive the atmospheric parameters ...