... may be included from the Catalogue of Galaxies and of Clusters of Galaxies (CGCG, Zwicky et al. 1961-1968); all such galaxies ... 1961-1968, Catalogue of Galaxies and of Clusters of Galaxies, I-VI (Pasadena: California Institute of Technology). ...
... Note that NGC 1466 is a globular cluster (not a galaxy) between the LMC and the SMC; we presented it separately, because it is not clear to which galaxy to attribute its variable stars. ...
... range 1-7 mag in V. They belong to the brightest blue stars of their parent galaxies ... W Vir variables are present in globular clusters and at high galactic latitudes. ... DCEP stars are present in open clusters. ...
... Stars in ver y dense clusters and other dense fields thus leaving the resulting ... in double and multiple systems, and in clusters and other dense fields, and faint ... may be double stars, stars with extreme colours, galaxies, or planetar y nebulae ...