Kinematics of the ultracompact helium accretor am canum venaticorum

HIGHLIGHTS

• who: lll from the of Astrophysics, Radboud University, Toernooiveld, ED Nijmegen, the Netherlands have published the research work: Kinematics of the ultracompact helium accretor AM Canum Venaticorum, in the Journal: (JOURNAL)
• what: The authors propose that this is the ‘central spike' of the He I 4471 line. The authors determine the emission centroid of the central spike in each tomogram, make a 2D histogram of all the K X and KY values obtained, and fit a 2D Gaussian to this distribution. As an example, the authors show in Fig 7, by solving numerically the equation . . .
  

   

  

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