Astrophysical: Variable stars

  • Publication
    Multi-periodicity of the Delta Scuti star GX Pegasi - Second photometry campaign of the STEPHI network
    We present here the results of the second multisite campaign of the STEPHI (STEllar PHotometry International) network. This three weeks rapid photometry...
  • Publication
    Near-Infrared photometry of LMC cluster Reticulum
    We present near-infrared (JKs) time series data of the Large Magellanic Cloud (LMC) cluster Reticulum. The observing strategy and data reduction (DAOPHOTII...
  • Publication
    New synthetic models of horizontal branch
    Synthetic horizontal branch (HB) stars in globular clusters, when computed on the basis of HB evolutionary tracks and pulsation theory constraints, furnish the...
  • Publication
    Observation of a variable, ZZ Ceti white dwarf: GD154
    The ZZ Ceti stars form a class of variable white dwarfs: the hydrogen dominated atmosphere ones, which do pulsate in an instability strip in the effective...
  • Publication
    Old-Aged Primary Distance Indicators
    Old-aged stellar distance indicators are present in all Galactic structures (halo, bulge, disk) and in galaxies of all Hubble types and, thus, are immensely...
  • Publication
    On the shell spectrum of 48 Librae
    Spectrograms of the variable star 48 Librae, taken near the last expected minimum, have been examined for irregularities of the shell line profiles. The...
  • Publication
    Optical photometry and polarimetry and infrared photometry of 3C 345 in outburst
    We present V-band CCD photometry, UBVRI photopolarimetry, and near simultaneous JHK photometry of 3C 345 during a renewed outburst in spring of 1992, which...
  • Publication
    Photometric study of ER VUL
    The authors present simultaneous UBVRI and infrared JHKL light curves of the short-period RS CVn system ER Vul, and study both the mean level and depths of...
  • Publication
    Rapid photometry of the Delta Scuti variable 63 HER
    The Delta Scuti variable 63 Her was observed during 21 nights at two observatories (Observatorio del Teide, Tenerife Island, Spain and Observatorio Astronomico...