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astro-ph2002
Near-IR line-strengths in elliptical galaxies: evidence for IMF variations?
A. J. Cenarro, J. Gorgas, A. Vazdekis +2
We present new relations between recently defined line-strength indices in the near-IR (CaT*, CaT, PaT, MgI, and sTiO) and central velocity dispersion (sigma_0) for a sample of 35…
astro-ph2000
Analysis of Balmer Profiles of early type stars
Mercedes Molla, Angeles I. Diaz, Mar Alvarez Alvarez +1
The spectral energy distribution (SED) of recent star formation regions is dominated by the more massive and early stars (O and B types). These stars show large and very significan…