Journal: The Astrophysical Journal

  • Publication
    Full Stokes Spectropolarimetry of Hα in Prominences
    We report on spectropolarimetric observations of Hα in prominences made with the Télescope Héliographique pour l'Etude du Magnétisme et des Instabilités...
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    Full Stokes-vector Inversion of the Solar Mg II h and k Lines
    The polarization of the Mg II h and k resonance lines is the result of the joint action of scattering processes and the magnetic field–induced Hanle, Zeeman...
  • Publication
    Fullerenes and Buckyonions in the Interstellar Medium
    We show that photoabsorption by fullerenes and buckyonions (multishell fullerenes) explain the shape, width, and peak energy of the most prominent feature of...
  • Publication
    Fullerenes and the 4430 Å Diffuse Interstellar Band
    The photoabsorption spectra of single-shell icosahedral fullerenes are investigated in the region of the strongest diffuse interstellar band at 4430 Å...
  • Publication
    Fundamental Parameters and Chemical Composition of Arcturus
    We derive a self-consistent set of atmospheric parameters and abundances of 17 elements for the red giant star Arcturus: T eff = 4286 ± 30 K, log g = 1.66 ± 0...
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    Fundamental Properties of Stars Using Asteroseismology from Kepler and CoRoT and Interferometry from the CHARA Array
    We present results of a long-baseline interferometry campaign using the PAVO beam combiner at the CHARA Array to measure the angular sizes of five main-sequence...
  • Publication
    Further Evidence for a Supermassive Black Hole Mass-Pitch Angle Relation
    We present new and stronger evidence for a previously reported relationship between galactic spiral arm pitch angle P (a measure of the tightness of spiral...
  • Publication
    G-Band Spectral Synthesis in Solar Magnetic Concentrations
    Narrowband imaging in the G band is commonly used to trace the small magnetic field concentrations of the Sun, although the mechanism that makes them bright has...
  • Publication
    Galactic Bulges from Hubble Space Telescope Near-Infrared Camera Multi-Object Spectrometer Observations: The Lack of r1/4 Bulges
    We use Hubble Space Telescope (HST) near-infrared imaging to explore the shapes of the surface brightness profiles of bulges of S0-Sbc galaxies at high...