Paper:	Kinematics and Variable Stars in NGC1907 and NGC1912
Volume:	349, Astrophysics of Variable Stars
Page:	339
Authors:	Szabo, G.M.; Furesz, G.; Szekely, P.; Szentgyorgyi, A.H.
Abstract:	We introduce our ongoing photometric and spectroscopic survey in the region of open clusters NGC1907 and NGC1912. The radial velocity dispersion of about 4 km s−1 in the clusters supports the interpretation of physical interaction between them. We found 17 variable stars in the examined fields covering about 2/3 of the “cluster area”. The relative low number (0.2%) of eclipsing variables supports the broadened internal velocity distribution to be the reason of the increased dispersion.

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