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Site testing of the Sierra de Javalambre. First results
M. Moles, S. F. Sanchez, J. L. Lamadrid +4
We present the main characteristics of the proposed location for the Javalambre Astrophysical Observatory. The measurements have been obtained from spectrophotometric, photometric…
Kinematic properties as probes of the evolution of dwarf galaxies in the Virgo cluster
E. Toloba, A. Boselli, J. Gorgas +6
We present new observational results on the kinematical, morphological, and stellar population properties of a sample of 21 dEs located both in the Virgo cluster and in the field,…
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…
Evidence for the disky origin of luminous Virgo dwarf ellipticals from the kinematics of their globular cluster systems
Michael A. Beasley, A. Javier Cenarro, Jay Strader +1
We report evidence for dynamically significant rotation in the globular cluster systems of two luminous Virgo dwarf ellipticals, VCC1261 and VCC1528. Including previous results for…
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…
Mild Velocity Dispersion Evolution of Spheroid-like Massive Galaxies since z~2
A. Javier Cenarro, Ignacio Trujillo
Making use of public spectra from Cimatti et al (2008), we measure for the first time the velocity dispersion of spheroid-like massive (M_star ~ 10^11 M_sun) galaxies at z ~ 1.6. B…