Browsing Article by Author "Wilhelm, K."

Browsing Article by Author "Wilhelm, K."

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  • Gravitational redshift and the vacuum index of refraction 
    Wilhelm, K.; Dwivedi, B.N. (Springer Netherlands, 2019-02-01)
    A physical process of the gravitational redshift was described in an earlier paper (Wilhelm and Dwivedi, New Astron. 31:8, 2014). This process did not require any information for the emitting atom neither on the local ...
  • Observations of the sun at vacuum-ultraviolet wavelengths from space. Part II: Results and interpretations 
    Wilhelm, K.; Marsch, E.; Dwivedi, B.N.; Feldman, U. (2007-12)
    In Part I of this review, the concepts of solar vacuum-ultraviolet (VUV) observations were outlined together with a discussion of the space instrumentation used for the investigations. A section on spectroradiometry provided ...
  • Plasma Flows in the Cool Loop Systems 
    Rao, Y.K.; Srivastava, A.K.; Kashyap, P.; Wilhelm, K.; Dwivedi, B.N. (Institute of Physics Publishing, 2019-03-20)
    We study the dynamics of low-lying cool loop systems for three data sets as observed by the Interface Region Imaging Spectrograph. Radiances, Doppler shifts, and line widths are investigated in and around observed cool ...

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