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Interstellar reddening in the direction of the globular cluster M71
Authors:R Janulis  V Strai?ys
Institution:(1) Astronomical Observatory, Institute of Physics, Lithuanian Academy of Sciences, Vilnius, Lithuania, U.S.S.R.
Abstract:Interstellar reddening as a function of distance in the direction of the globular cluster M71 is determined by two-dimensional quantification of 96 foreground stars observed in the Vilnius photometric system. In concentric areas with the radii 30prime and 10prime centered on the cluster the reddening shows the same variations ranging fromE B-V=0.12 to 0.32. The cluster stars are likely to have variable extinction too, at least in the outer regions of the cluster.
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