Ciencias,UNAM

Browsing by Subject "galaxies : stellar content"

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Browsing by Subject "galaxies : stellar content"

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  • Empirical calibration of the lambda 4000 angstrom break
    Gorgas, J; Cardiel, N; Pedraz, S; González, JJ (1999)
    Empirical fitting functions, describing the behaviour of the lambda 4000 Angstrom break, D-4000, in terms of effective temperature, metallicity and surface gravity, are presented. For this purpose, the break has been ...
  • UBVRI photometry of stellar structures throughout the disk of the barred Galaxy NGC 3367
    Moreno-Diaz, E; Bernal-Marin, T; Villarreal-Castillo, AL; García-Barreto, JA; Hernández-Toledo, H (2007)
    We report new detailed surface U, B, V, R, and I photometry of 81 stellar structures in the disk of the barred galaxy NGC 3367. The images show many different structures, indicating that star formation is going on in most ...