Astrofísicas: Campos gravitacionales

  • Publicación
    Departures from axial symmetry, and starburst activity, in the bulge of NGC 4736
    Evidence for circumnuclear starbursts in spiral galaxies can take the form of a blue excess near the nucleus, but more frequently (because of dust extinction) H...
  • Publicación
    General relativistic influence on emission line variation in broad-line region
    The present examination of general relativistic effect on the lag time between continuum and emission line variations in the broad line notes that in the case...
  • Publicación
    Microlensing events of the LMC are better explained by stars within the LMC than by MACHOs
    The recently reported microlensing events of the Large Magellanic Cloud (LMC) have caused much excitement, and have been interpreted as due to 'dark objects'...
  • Publicación
    Radiation-induced forces on the orbits of dust particles around rotating stars
    The influence of rotation and finite size of the radiation source on the orbits of dust particles around stars is analyzed. It is found that there are physical...
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    Satellite galaxies as probes of the gravitational potentials of large spirals
    An aspect of the missing mass problem in galaxies, not easy to address, is whether the dynamical mass distribution is spherical or greatly flattened, following...
  • Publicación
    The 160 minute solar oscillation - an artifact?
    Analysis of data obtained over the years 1980-1985 are analyzed to show that the period of the 160-minute signal is indeed 160.00 minutes. It is demonstrated...