Journal: Astronomy and Astrophysics

  • Publication
    Structural and compositional properties of brown dwarf disks: the case of 2MASS J04442713+2512164
    Aims: To improve our understanding of substellar formation, we have performed a compositional and structural study of a brown dwarf disk. Methods: We present...
  • Publication
    Structural parameters of 389 local open clusters
    Context. The distribution of member stars in the surroundings of an open cluster (OC) can shed light on the process of its formation, evolution, and dissolution...
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    Structural properties of disk galaxies. I. The intrinsic equatorial ellipticity of bulges
    Context: A variety of formation scenarios have been proposed to explain the diversity of properties observed in bulges. Studying their intrinsic shape can help...
  • Publication
    Structural properties of disk galaxies. II. Intrinsic shape of bulges
    Context. Knowledge of the intrinsic shapes of galaxy components provides crucial information when constraining phenomena driving their formation and evolution...
  • Publication
    Structure and dynamics of isolated internetwork Ca II H bright points observed by SUNRISE
    Aims: We aim to improve our picture of the low chromosphere in the quiet-Sun internetwork by investigating the intensity, horizontal velocity, size and lifetime...
  • Publication
    Structure and evolution of low-mass Population II stars
    The focus of the present paper is on the detailed description of the internal structures of low mass, population II stars, to clarify some issues about these...
  • Publication
    Structure and star formation in disk galaxies. II. Optical imaging
    We present optical observations of a sample of 57 spiral galaxies and describe the procedures followed to reduce the data. We have obtained images in the...
  • Publication
    Structure and star formation in disk galaxies. III. Nuclear and circumnuclear Hα emission
    From Hα images of a carefully selected sample of 57 relatively large, Northern spiral galaxies with low inclination, we study the distribution of the Hα...
  • Publication
    Structure in the 5 minute oscillations of integral sunlight
    The discovery of structure in the 5 minute oscillations of the sun, integrated over the full disk, was reported by Claverie et al. (1979). This paper presents...