Abstract
PhotoelectricU, B, V magnitudes and colours for 48 stars in the open cluster NGC 1778 have been determined. The colour excess is\(0_ \cdot ^m 34\), distance to the cluster 1062 pc, and apparent diameter of the cluster 4.5 minutes of arc. The age is estimated at 1.6×108 years.
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References
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Joshi, U.C., Sagar, R. & Pandey, P. Photoelectric photometry of the open cluster NGC 1778. Pramana - J. Phys. 4, 160–163 (1975). https://doi.org/10.1007/BF02854238
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DOI: https://doi.org/10.1007/BF02854238