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The Pleiades Open Cluster

, 2009
IAFRATE, Giulia, RAMELLA, Massimo, Padovani, Paolo   +2 more
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Kinematics of Old Open Clusters

Publications of the Astronomical Society of the Pacific, 1988
Radial velocities have been determined for six old open clusters in the Galactic anticenter. Moderate-resolution spectra were obtained for three to six giants in each of the clusters NGC 2141, 2158, 2204, 2243, 2420, and 2506, which yield cluster mean velocities good to about 15 km/s.
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SPECTRAL TYPES IN OPEN CLUSTERS

Publications of the Astronomical Society of the Pacific, 1925
This paper is reproduced from Publ. Astron. Soc. Pac., Vol. 37, p. 307 -318 (1925) to celebrate the centenary of the Publications. See also 004.048.
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