Astrophysical: Photometry

  • Talk
    Optical and near-infrared day-side emission from exoplanets
    Observations of the secondary eclipse of an exoplanet, the moment the planet moves behind its star, allow us measure the radiation emitted by the exoplanet...
  • Publication
    Optical Imaging of 57 spiral galaxies (Knapen+ 2004)
    All B, R, I and Hα images described in the paper are presented electronically, along with the Ks images from Paper I (Knapen et al., 2003MNRAS.344..527K). The...
  • Publication
    Optical Imaging of Very Luminous Infrared Galaxy Systems: Photometric Properties and Late Evolution
    A sample of 19 low-redshift (0.03
  • Publication
    Optical Microvariability in Quasars: Spectral Variability
    We present a method that we developed to discern where the optical microvariability (OM) in quasars originates: in the accretion disk (related to thermal...
  • Publication
    Optical observations of Dwingeloo 1, a nearby barred spiral galaxy behind the Milky Way
    We present new optical observations of the nearby barred spiral galaxy Dwingeloo 1 (Dw1) obtained with the Isaac Newton, William Herschel and Wise telescopes...
  • Publication
    Optical photometry and morphology of radio galaxies.
    The authors report preliminary results on the optical properties (morphology, surface-brightness profiles, surface-brightness/size relationships, ellipticities...
  • Publication
    Optical Surface Photometry of a Sample of Disk Galaxies. I. Observations and Data Reduction
    We present accurate optical surface photometry in the U, B, V, R, and I passbands for 11 disk galaxies. The sample has been selected in order to study the...
  • Publication
    Optical surface photometry of radio galaxies - I. Observations and data analysis
    This is the first paper of a series aimed at studying the structural and photometric properties in the optical band of a sample of 95 radio galaxies. Detailed...
  • Publication
    Optical surface photometry of radio galaxies. II. Observations and data analysis
    Optical imaging observations for 50 radio galaxies are presented. For each object isophotal contours, photometric profiles, structural parameters (position...