Astrophysical: Galaxies

  • Publication
    Multiwavelength Observations of Short-Timescale Variability in NGC 4151. I. Ultraviolet Observations
    We present the results of an intensive ultraviolet monitoring campaign on the Seyfert I galaxy NGC 4151, as part of an effort to study its short-timescale...
  • Publication
    Multiwavelength Observations of Short-Timescale Variability in NGC 4151. IV. Analysis of Multiwavelength Continuum Variability
    This paper combines data from the three preceding papers in order to analyze the multi-wave-band variability and spectral energy distribution of the Seyfert I...
  • Publication
    Multiwavelength observations of the blazar 1ES 1011+496 in Spring 2008
    The BL Lac object 1ES 1011+496 was discovered at very high energy (VHE, E > 100GeV) γ-rays by Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) in Spring...
  • Publication
    Multiwavelength observations of the extraordinary accretion event AT2021lwx
    We present observations from X-ray to mid-infrared wavelengths of the most energetic non-quasar transient ever observed, AT2021lwx. Our data show a single...
  • Publication
    Multiwavelength observations of the triple-peaked AGN Mrk 622
    A detailed multiwavelength study of the properties of the triple-peaked active galactic nucleus (AGN) Mrk 622 showing different aspects of the nuclear emission...
  • Publication
    Multiwavelength optical and NIR variability analysis of the Blazar PKS 0027-426
    We present multiwavelength spectral and temporal variability analysis of PKS 0027-426 using optical griz observations from Dark Energy Survey between 2013 and...
  • Publication
    Multiwavelength periodicity search in a sample of γ-ray bright blazars
    We present the results of a long-term periodicity search in a sample of γ-ray blazars within a multiwavelength context. These blazars have been selected from...
  • Publication
    Multiwavelength Properties of the X-Ray Sources in the Groth-Westphal Strip Field
    We summarize the multiwavelength properties of X-ray sources detected in the 80 ks XMM-Newton observation of the Groth-Westphal strip, a contiguous strip of 28...
  • Publication
    Multiwavelength study of Cygnus A. IV. Proper motion and location of the nucleus
    Context. Cygnus A, as the nearest powerful FR II radio galaxy, plays an important role in understanding jets and their impact on the surrounding intracluster...