Publication type: Refereed

  • Publication
    Examining a solar-climate link in diurnal temperature ranges
    A recent study has suggested a link between the surface level diurnal temperature range (DTR) and variations in the cosmic ray (CR) flux. As the DTR is an...
  • Publication
    Examining supernova events in Type 1 active galactic nuclei
    A statistical study of intermediate Palomar Transient Factory supernovae (SNe) in Type 1 active galactic nuclei (AGNs) has shown a major deficit of supernovae...
  • Publication
    Examining the orbital decay targets KELT-9 b, KELT-16 b, and WASP-4b, and the transit-timing variations of HD 97658 b
    Context. Tidal orbital decay is suspected to occur for hot Jupiters in particular, with the only observationally confirmed case of this being WASP-12b. By...
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    Examining the self-interaction of dark matter through central cluster galaxy offsets
    While collisionless cold dark matter models have been largely successful in explaining a wide range of observational data, some tensions still exist, and it...
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    Exceptional outburst of the blazar CTA 102 in 2012: the GASP-WEBT campaign and its extension
    After several years of quiescence, the blazar CTA 102 underwent an exceptional outburst in 2012 September-October. The flare was tracked from γ-ray to near...
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    Excitation and Damping of Low-Degree Solar p-Modes during Activity Cycle 23: Analysis of GOLF and VIRGO Sun Photometer Data
    We have used observations made by the Global Oscillations at Low Frequency (GOLF) and the Variability of Irradiance and Gravity Oscillations Sun Photometer...
  • Publication
    Excitation and Density Mapping of NGC 3587
    We have acquired narrowband imaging of NGC 3587 (the Owl Nebula) in the transitions [O II] λλ3727, 3729, H I λ4861, [O III] λ5007, H I λ6563, [N II] λ6584, [S...
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    Excitation mechanisms of C II optical permitted lines in ionized nebulae
    Context. Carbon is the fourth most abundant element in the universe and its distribution is critical to understanding stellar evolution and nucleosynthesis. In...
  • Publication
    Excitation of emission lines by fluorescence and recombination in IC 418
    We compare calculated intensities of lines of C II, N I, N II, O I and O II with a published deep spectroscopic survey of IC 418. Our calculations use a self...