The far ultra-violet background

HIGHLIGHTS

• who: Draft version November and collaborators from the (UNIVERSITY) have published the article: The far ultra-violet background, in the Journal: IPM have a mean velocity of -24 km s-1 with respect to the Sun. The thermal velocity spread of those H atoms is 18 km s-1 . The solar Lyβ line has a velocity profile with two horns separated by about 0.33 Å and a full-width-at-zero of 1 Å (Figure 4). In other words, the velocity width of Lyβ is quite narrow, ±50 km s-1 . It requires a very high . . .
  

   

  

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