Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a...103..386c&link_type=abstract
Astronomy and Astrophysics, vol. 103, no. 2, Nov. 1981, p. 386-389.
Astronomy and Astrophysics
Astronomy
12
Far Ultraviolet Radiation, Galactic Nuclei, Globular Clusters, Ultraviolet Astronomy, Ultraviolet Spectroscopy, Horizontal Branch Stars, Iue, Milky Way Galaxy, Spectral Resolution, Star Distribution, Ultraviolet Spectra
Scientific paper
Spectra of the central regions of the galactic Globular Clusters NGC 362, NGC 5824, and NGC 6093 have been obtained in low dispersion mode with the International Ultraviolet Explorer. The peculiar cluster NGC 362 shows an UV behaviour consistent with the HB morphology and the metal content inferred from observations in the optical range. NGC 6093 appears to be a member of the 'extremely blue' HB group, defined by ANS observations; results for NGC 5824 are similar, but more uncertain. UV properties of G.C. are discussed in relation to the population of HB's.
Caloi Vittoria
Cassatella Angelo
Castellani Vittorio
Macchetto Ferdinando
Melnick Jorge
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