Astronomisches Rechen-Institut Heidelberg

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ARI-Heidelberg Mitteilungen Serie A, No. 125

Author(s): Lohmann, W.
Title: Die offenen Sternhaufen M36, M38 und NGC 2477
Source: Astrophys. Space Sci. 66, 103-111
Year: 1979
Abstract: The open star clusters M36, M38 and NGC 2477 were investigated by the strip method on charts of photographs taken with the Schmidt-Spiegel of the German Observatory Hoher List (M36/38) and the Curtis-Schmidt Telescope of the Cerro Tololo Interamerican Observatory (NGC 2477). The results are - Masses: 830, 2350, 4400 Msolar; radii: 6.4, 10.0, 10.0 pc; central densities: 9.9, 15.3, 32.5 Msolar pc-3; density laws: Gaussian (M36), generalized law of Schuster with n=3.00, 2.79; mean velocities of the stars: 0.74, 1.01, 1.38 km s-1.
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