NGC 6404 and 6583: two neglected intermediate-age open clusters located in the Galactic Centre direction

@article{Carraro2005NGC6A,
  title={NGC 6404 and 6583: two neglected intermediate-age open clusters located in the Galactic Centre direction},
  author={Giovanni Carraro and Rene A. Mendez and Edgardo Costa},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2005},
  volume={356},
  pages={647-653}
}
We report on VI charge-coupled device photometry of two fields centred in the region of the open clusters NGC 6404 and 6583 down to V = 22.0. So far these clusters have never been studied, and we provide for the first time estimates of their fundamental parameters, namely, radial extent, age, distance and reddening. We find that the radius of NGC 6404 is 2.0 arcmin, as previously proposed, while the radius of NGC 6583 is 1.0 arcmin, significantly lower than previous estimates. Both clusters… 

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