Astrophysical: Galaxies

  • Publication
    Multiwavelength follow-up of a rare IceCube neutrino multiplet
    On February 17, 2016, the IceCube real-time neutrino search identified, for the first time, three muon neutrino candidates arriving within 100 s of one another...
  • Publication
    Multiwavelength Observations of a Dramatic High-Energy Flare in the Blazar 3C 279
    The blazar 3C 279, one of the brightest identified extragalactic objects in the gamma -ray sky, underwent a large (factor of ~10 in amplitude) flare in gamma...
  • Publication
    Multiwavelength observations of a VHE gamma-ray flare from PKS 1510-089 in 2015
    Context. PKS 1510-089 is one of only a few flat spectrum radio quasars detected in the very-high-energy (VHE, > 100 GeV) gamma-ray band. Aims: We study the...
  • 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...