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Dynamical study of the LMC globular cluster NGC 1978 from core velocity dispersion
Symposium - International astronomical union
The projected velocity dispersion in the core of the Large Magellanic Cloud (LMC) intermediate-age globular cluster NGC 1978 is deduced from integrated light spectra. A numerical cross-correlation technique gives a projected velocity dispersion σp(core) = 5.8±1.2 km s−1. Multimass anisotropic King-Michie dynamical models are applied to the observational constraints given by the surface brightness profile and the above central projected velocity dispersion. Depending on the model, the valuesdoi:10.1017/s0074180900200405 fatcat:xvojq43h2nhtbfdh5lrl4fvjmq