Abstract
The globular cluster NGC 4590 has been observed at Haute Provence Observatory (photographic photometry, 80-cm reflector, F/6) and at the European Southern Observatory (image-tube, 152-cm reflector, F/15).
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A sequence of red magnitudes, m r (λ eff ≅6400 Å) has been established around the cluster. It comprises 28 stars with magnitudes between 11.66 and 16.50.
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Five new variable stars were discovered in a one square degree field, centered on the cluster.
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Four other variable stars (No. 39, 40, 41, and 42) were discovered in the cluster.
Observations made in Part at Haute Provence Observatory (C.N.R.S.).
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© 1973 D. Reidel Publishing Company, Dordrecht, Holland
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Terzan, A., Rutily, B., Ounnas, C. (1973). Variable Stars in NGC 4590. In: Fernie, J.D. (eds) Variable Stars in Globular Clusters and in Related Systems. Astrophysics and Space Science Library, vol 36. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-2590-4_10
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DOI: https://doi.org/10.1007/978-94-010-2590-4_10
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