Publicaciones

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  • Observation and Interpretation of Leonid Impact Flashes on the Moon in 2001

    We present observations of lunar Leonid impact flashes recorded in 2001 November from Spain. Four impact flashes were detected on November 18. Another flash was also recorded on the same night, which appears to be impact related, and two more on that night are possibly, but not unambiguously, of impact nature. On November 19 another flash was

    Ortiz, J. L. et al.

    Fecha de publicación:

    9
    2002
    Número de citas
    53
  • Observational constraints to boxy/peanut bulge formation time

    Boxy/peanut bulges are considered to be part of the same stellar structure as bars and both could be linked through the buckling instability. The Milky Way is our closest example. The goal of this Letter is to determine if the mass assembly of the different components leaves an imprint in their stellar populations allowing the estimation the time

    Pérez, I. et al.

    Fecha de publicación:

    9
    2017
    Número de citas
    18
  • Observational Evidence for a Correlation Between Macroturbulent Broadening and Line-profile Variations in OB Supergiants

    The spectra of O and B supergiants (Sgs) are known to be affected by a significant form of extra line broadening (usually referred to as macroturbulence) in addition to that produced by stellar rotation. Recent analyses of high-resolution spectra have shown that the interpretation of this line broadening as a consequence of large-scale turbulent

    Simón-Díaz, S. et al.

    Fecha de publicación:

    9
    2010
    Número de citas
    84
  • Observational studies of Cepheid amplitudes. I. Period-amplitude relationships for Galactic Cepheids and interrelation of amplitudes

    Context: The dependence of amplitude on the pulsation period differs from other Cepheid-related relationships. Aims: We attempt to revise the period-amplitude (P-A) relationship of Galactic Cepheids based on multi-colour photometric and radial velocity data. Reliable P-A graphs for Galactic Cepheids constructed for the U, B, V, R_C, and IC

    Klagyivik, P. et al.

    Fecha de publicación:

    9
    2009
    Número de citas
    62
  • Observations in a locally inhomogeneous Universe and Dark Energy State Equation

    Determining the redshift of astronomical sources is fundamental for cosmological studies, since it allows deriving distances to the observer. However, the distance-redshift relationship commonly used is obtained from the isotropic, homogeneous Friedmann-Lemaitre-Robertson-Walker (FLRW) metric. By fitting this distance-redshift relations to

    Ilia, R. L. et al.

    Fecha de publicación:

    9
    2011
    Número de citas
    0