Astrophysical: Techniques

  • Publication
    Phase curve and geometric albedo of WASP-43b measured with CHEOPS, TESS, and HST WFC3/UVIS
    Context. Observations of the phase curves and secondary eclipses of extrasolar planets provide a window onto the composition and thermal structure of the...
  • Publication
    Phase diversity restoration of sunspot images. I. Relations between penumbral and photospheric features
    We investigate the dynamics of and the relations between small-scale penumbral and photospheric features near the outer penumbral boundary: penumbral grains...
  • Publication
    Phase diversity restoration of sunspot images. II. Dynamics around a decaying sunspot
    Two time series, taken simultaneously in the G-band and in white-light, and corrected for telescope aberrations and turbulence perturbations using the method of...
  • Publication
    Photo-dynamical characterisation of the TOI-178 resonant chain. Exploring the robustness of transit-timing variations and radial velocity mass characterisations
    Context. The TOI-178 system consists of a nearby, late-K-dwarf with six transiting planets in the super-Earth to mini-Neptune regime, with radii ranging from to...
  • Publication
    Photometric and astrometric analysis of a mutual event between the Uranian satellites Miranda and Oberon
    Observations of the predicted occultation between the satellites Miranda and Oberon were performed on 2007 July 30. Data analysis reveals that the predicted...
  • Publication
    Photometric and colorimetric studies of target objects using small and medium-size telescopes
    We report on follow-up studies of transient events and objects, which have been conducted in recent years using ground-based optical observations. BVRI...
  • Publication
    Photometric binaries in 50 globular clusters
    The HST/ACS Survey of Galactic globular clusters (GGCs) is a HST Treasury project aimed at obtaining high precision photometry in a large sample of globular...
  • Publication
    Photometric follow-up of 43 new eclipsing white dwarf plus main-sequence binaries from the ZTF survey
    Wide-field time-domain photometric sky surveys are now finding hundreds of eclipsing white dwarf plus M dwarf binaries, a population encompassing a wealth of...
  • Publication
    Photometric follow-up of the 20 Myr old multi-planet host star V1298 Tau with CHEOPS and ground-based telescopes
    Context. The 20 Myr old star V1298 Tau hosts at least four planets. Since its discovery, this system has been a target of intensive photometric and...