Age and interstellar absorption in young star-formation regions in the galaxies NGC 1068, NGC 4449, NGC 4490, NGC 4631, and NGC 4656/57 derived from multicolor photometry

Astronomy and Astrophysics – Astronomy

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98.52.Nr, 98.62.Ai, 97.10.Bt

Scientific paper

We have compared the results of multicolor U BV R and H α photometry for 169 young star-formation complexes in five galaxies using a grid of evolutionary models for young star clusters. The ages and interstellar absorptions are estimated for 102 star-formation complexes with the standard uncertainties σ t = 0.30 dex and σ _{A_V } = 0.45^m . The accuracies of these parameters were verified using numerical simulations.

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