A flat Friedmann-Robertson-Walker universe dominated by a cosmological constant (Λ) and cold dark matter (CDM) has been the working model preferred by cosmologists since the discovery of cosmic acceleration1,2. However, tensions of various degrees of significance are known to be present among existing datasets within the ΛCDM framework3-11. In
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Dynamical dark energy in light of the latest observationsZhao, G.-Bo et al.92017
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Dynamical masses of a nova-like variable on the edge of the period gap
We present the first dynamical determination of the binary parameters of an eclipsing SW Sextantis star in the 3-4 h orbital period range during a low state. We obtained time-resolved optical spectroscopy and photometry of HS 0220+0603 during its 2004-2005 low-brightness state, as revealed in the combined Small & Moderate Aperture Research
Rodríguez-Gil, P. et al.Advertised on:
92015 -
Dynamics of galaxies and globular clusters unraveled with two-dimensional kinematics
Not Available
van de Ven, G.Advertised on:
92010 -
Dynamics of Multi-cored Magnetic Structures in the Quiet Sun
We report on the dynamical interaction of quiet-Sun magnetic fields and granular convection in the solar photosphere as seen by Sunrise. We use high spatial resolution (0.″15–0.″18) and temporal cadence (33 s) spectropolarimetric Imaging Magnetograph eXperiment data, together with simultaneous CN and Ca ii H filtergrams from Sunrise Filter Imager
Requerey, I. S. et al.Advertised on:
92015 -
Dynamics of the wind of LBV stars
Not Available
Israelian, G. I. et al.Advertised on:
91993 -
Effect of longitudinal density structure on a straight magnetic field modelling coronal arcade oscillations
Aims:Motivated by recent observations of oscillations in coronal arcades, we investigate analytically the influence of longitudinal structuring on the modes of oscillation of a straight coronal loop arcade. As a first step towards more complicated models, we use a simple structure to obtain analytical solutions. Methods: A partial differential
Donnelly, G. R. et al.Advertised on:
92007