Abstract
view Abstract Citations (76) References (26) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Spectroscopy of the Globular Clusters in M87 Mould, J. R. ; Oke, J. B. ; Nemec, J. M. Abstract With a velocity dispersion of 370±50 km/s the globular cluster system of M87 is kinematically hotter than the stars in the giant elliptical itself. This is consistent with the clusters' shallower density distribution for isotropic orbits. The mean metallicity of the 27 clusters in the sample analyzed is no more than a factor of 2 more metal rich than the cluster system of the Milky Way, but considerably more metal poor than the integrated starlight in the field at a radius of 1arcmin from the center of M87. There is no evidence for the existence of young clusters in the system. The mass-radius relation between 1arcmin and 5arcmin required to contain the globular clusters joins onto that required to contain the hot gas around M87. Publication: The Astronomical Journal Pub Date: January 1987 DOI: 10.1086/114289 Bibcode: 1987AJ.....93...53M Keywords: Globular Clusters; Spectroscopic Telescopes; Stellar Spectrophotometry; Elliptical Galaxies; Metallicity; Milky Way Galaxy; Astrophysics; CLUSTERS: GLOBULAR; GALAXIES: STELLAR CONTENT; GALAXIES: INDIVIDUAL full text sources ADS | data products SIMBAD (57) NED (2)
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