Tipo de publicación: Con árbitro

  • Publicación
    Amino acids in comets and meteorites: stability under gamma radiation and preservation of the enantiomeric excess
    Amino acids in Solar system bodies may have played a key role in the chemistry that led to the origin of life on Earth. We present laboratory studies testing...
  • Publicación
    Ammonia-methane ratios from H-band near-infrared spectra of late-T and Y dwarfs
    Aims: Our goals are to investigate the relative absorption strengths of ammonia and methane using low-resolution H-band (1.5−1.7 microns) spectra obtained in...
  • Publicación
    Amplitude and frequency variability of the pulsating DB white dwarf stars KUV 05134+2605 and PG 1654+160 observed with the Whole Earth Telescope
    We have acquired new time series photometry of the two pulsating DB white dwarf stars KUV 05134+2605 and PG 1654+160 with the Whole Earth Telescope. Additional...
  • Publicación
    An absolute calibration of DENIS (deep near infrared southern sky survey)
    An absolute calibration of the DENIS photometric system is presented. It includes the determination of the overall transmission profiles in the 3 bands, namely...
  • Publicación
    An Accreting Millisecond Pulsar with Black Hole-like X-Ray Variability: IGR J00291+5934
    IGR J00291+5934 is one of the seven accreting millisecond pulsars (AMPs) discovered so far. We report on the aperiodic timing and color analysis of its X-ray...
  • Publicación
    An accretion disc in the broad-line radio galaxy 3C 390.3?
    The permitted broad component of the H-beta emission line in the broad-line radio galaxy (BLRG) 3C 390.3 presents a double-peaked structure similar to that seen...
  • Publicación
    An active M8.5 dwarf wide companion to the M4/DA binary LHS 4039/LHS 4040
    Low-mass and brown dwarfs have recently been found as wide companions to many nearby stars, formerly believed to be single. Wide binaries are usually found as...
  • Publicación
    An active region filament studied simultaneously in the chromosphere and photosphere. I. Magnetic structure
    Aims: A thorough multiwavelength, multiheight study of the vector magnetic field in a compact active region filament (NOAA 10781) on 2005 July 3 and 5 is...
  • Publicación
    An active region filament studied simultaneously in the chromosphere and photosphere. II. Doppler velocities<xref ref-type="fn" rid="FN1">
    Context. Paper I presents the magnetic structure, inferred for the photosphere and the chromosphere, of a filament that developed in active region (AR) NOAA...