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Data Reduction Pipeline for GTC/FRIDA
M. C. Eliche-Moral, N. Cardiel, S. Pascual +1
FRIDA (inFRared Imager and Dissector for the Adaptative optics system of the GTC) will be a NIR (1-2.5microns) imager and Integral Field Unit spectrograph to operate with the Adapt…
Evidence for intermediate-age stellar populations in early-type galaxies from K-band spectroscopy
E. Mármol-Queraltó, N. Cardiel, P. Sánchez-Blázquez +7
The study of stellar populations in early-type galaxies in different environments is a powerful tool for constraining their star formation histories. This study has been traditiona…
Are Dry Mergers Dry, Moist, or Wet?
Patricia Sanchez-Blazquez, Brad K. Gibson, Daisuke Kawata +2
We present a spectral analysis of a sample of red-sequence galaxies identified by van Dokkum (2005) as dry merger remnants and ongoing dry mergers. Kinematics, stellar population a…
Mg and TiO spectral features at the near-IR: Spectrophotometric index definitions and empirical calibrations
A. Javier Cenarro, Nicolas Cardiel, Alexandre Vazdekis +1
Using the near-infrared spectral stellar library of Cenarro et al. (2001a,b), the behaviours of the Mg I line at 8807 angstrom and nearby TiO bands are analyzed in terms of the eff…
Data boundary fitting using a generalised least-squares method
N. Cardiel
In many astronomical problems one often needs to determine the upper and/or lower boundary of a given data set. An automatic and objective approach consists in fitting the data usi…